[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org, sanog at sanog dot org, pacnog at pacnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 17 Dec 2011 05:28:34 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      
      The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
      CaribNOG and the RIPE Routing Working Group.
      
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.rand.apnic.net.
      
      If you have any comments please contact Philip Smith <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 17 Dec, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              387142
          Prefixes after maximum aggregation:                          167902
          Deaggregation factor:                                          2.31
          Unique aggregates announced to Internet:                     189021
      Total ASes present in the Internet Routing Table:                 39612
          Prefixes per ASN:                                              9.77
      Origin-only ASes present in the Internet Routing Table:           32512
      Origin ASes announcing only one prefix:                           15502
      Transit ASes present in the Internet Routing Table:                5342
      Transit-only ASes present in the Internet Routing Table:            145
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:              1923
          Unregistered ASNs in the Routing Table:                         999
      Number of 32-bit ASNs allocated by the RIRs:                       2095
      Number of 32-bit ASNs visible in the Routing Table:                1758
      Prefixes from 32-bit ASNs in the Routing Table:                    4191
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:             90
      Number of addresses announced to Internet:                   2502485008
          Equivalent to 149 /8s, 40 /16s and 228 /24s
          Percentage of available address space announced:               67.5
          Percentage of allocated address space announced:               67.5
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.7
      Total number of prefixes smaller than registry allocations:      163725
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    95726
          Total APNIC prefixes after maximum aggregation:               31275
          APNIC Deaggregation factor:                                    3.06
      Prefixes being announced from the APNIC address blocks:           92115
          Unique aggregates announced from the APNIC address blocks:    38521
      APNIC Region origin ASes present in the Internet Routing Table:    4609
          APNIC Prefixes per ASN:                                       19.99
      APNIC Region origin ASes announcing only one prefix:               1248
      APNIC Region transit ASes present in the Internet Routing Table:    726
      Average APNIC Region AS path length visible:                        4.3
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    123
      Number of APNIC addresses announced to Internet:              631919968
          Equivalent to 37 /8s, 170 /16s and 85 /24s
          Percentage of available APNIC address space announced:         80.1
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                             58368-59391, 131072-132095, 132096-133119
      APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                              49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                             106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                             116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                             123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
                             182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
                             219/8, 220/8, 221/8, 222/8, 223/8,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    146548
          Total ARIN prefixes after maximum aggregation:                74859
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           118628
          Unique aggregates announced from the ARIN address blocks:     48721
      ARIN Region origin ASes present in the Internet Routing Table:    14807
          ARIN Prefixes per ASN:                                         8.01
      ARIN Region origin ASes announcing only one prefix:                5665
      ARIN Region transit ASes present in the Internet Routing Table:    1571
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          25
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      14
      Number of ARIN addresses announced to Internet:               804460224
          Equivalent to 47 /8s, 243 /16s and 22 /24s
          Percentage of available ARIN address space announced:          63.9
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                              29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                              40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                              53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                              65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                              72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                              98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
                             174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
                             208/8, 209/8, 214/8, 215/8, 216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     95151
          Total RIPE prefixes after maximum aggregation:                51645
          RIPE Deaggregation factor:                                     1.84
      Prefixes being announced from the RIPE address blocks:            87257
          Unique aggregates announced from the RIPE address blocks:     55070
      RIPE Region origin ASes present in the Internet Routing Table:    16196
          RIPE Prefixes per ASN:                                         5.39
      RIPE Region origin ASes announcing only one prefix:                7990
      RIPE Region transit ASes present in the Internet Routing Table:    2575
      Average RIPE Region AS path length visible:                         4.7
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1222
      Number of RIPE addresses announced to Internet:               494441160
          Equivalent to 29 /8s, 120 /16s and 146 /24s
          Percentage of available RIPE address space announced:          79.7
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-52223, 56320-58367
                             196608-198655
      RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                              62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                             176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
                             213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   36850
          Total LACNIC prefixes after maximum aggregation:               7994
          LACNIC Deaggregation factor:                                   4.61
      Prefixes being announced from the LACNIC address blocks:          36349
          Unique aggregates announced from the LACNIC address blocks:   18889
      LACNIC Region origin ASes present in the Internet Routing Table:   1557
          LACNIC Prefixes per ASN:                                      23.35
      LACNIC Region origin ASes announcing only one prefix:               443
      LACNIC Region transit ASes present in the Internet Routing Table:   284
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   395
      Number of LACNIC addresses announced to Internet:              94826888
          Equivalent to 5 /8s, 166 /16s and 241 /24s
          Percentage of available LACNIC address space announced:        62.8
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                             200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   8509
          Total AfriNIC prefixes after maximum aggregation:              2057
          AfriNIC Deaggregation factor:                                  4.14
      Prefixes being announced from the AfriNIC address blocks:          6551
          Unique aggregates announced from the AfriNIC address blocks:   2061
      AfriNIC Region origin ASes present in the Internet Routing Table:   498
          AfriNIC Prefixes per ASN:                                     13.15
      AfriNIC Region origin ASes announcing only one prefix:              156
      AfriNIC Region transit ASes present in the Internet Routing Table:  108
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       25
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
      Number of AfriNIC addresses announced to Internet:             30843648
          Equivalent to 1 /8s, 214 /16s and 163 /24s
          Percentage of available AfriNIC address space announced:       46.0
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 102/8, 105/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     2513      11104         971   Korea Telecom (KIX)
      17974     1716        503          38   PT TELEKOMUNIKASI INDONESIA
       7545     1632        303          86   TPG Internet Pty Ltd
       4755     1517        385         158   TATA Communications formerly 
       7552     1491       1064           7   Vietel Corporation
       9829     1170        989          28   BSNL National Internet Backbo
       9583     1101         81         494   Sify Limited
       4808     1077       2034         304   CNCGROUP IP network: China169
      24560      996        385         167   Bharti Airtel Ltd., Telemedia
      18101      964        122         157   Reliance Infocom Ltd Internet
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3479       3814         220   bellsouth.net, inc. 
       7029     2918       1017         200   Windstream Communications Inc
      18566     2093        383         177   Covad Communications 
       1785     1855        680         121   PaeTec Communications, Inc.
       4323     1620       1073         386   Time Warner Telecom
      20115     1604       1549         626   Charter Communications 
      22773     1513       2909         105   Cox Communications, Inc.
      30036     1460        261         677   Mediacom Communications Corp 
      19262     1388       4683         401   Verizon Global Networks 
       7018     1301       7013         852   AT&T WorldNet Services
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8402     1592        480          15   Corbina telecom
       2118     1097         99          14   EUnet/RELCOM Autonomous Syste
      15557     1035       2161          64   LDCOM NETWORKS
       6830      647       1928         413   UPC Distribution Services
      34984      625        132         195   BILISIM TELEKOM
      20940      549        177         438   Akamai Technologies European 
      12479      539        630          48   Uni2 Autonomous System
       3320      532       8162         398   Deutsche Telekom AG
       3292      480       2106         407   TDC Tele Danmark
       8866      462        134          27   Bulgarian Telecommunication C
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      10620     1717        318         155   TVCABLE BOGOTA 
      28573     1577       1064          75   NET Servicos de Comunicao S.A
       8151     1458       2989         347   UniNet S.A. de C.V. 
       7303     1248        752         176   Telecom Argentina Stet-France
      27947      631         73          93   Telconet S.A
      22047      582        322          17   VTR PUNTO NET S.A. 
       6503      555        434          68   AVANTEL, S.A. 
       7738      551       1050          31   Telecomunicacoes da Bahia S.A
       3816      546        237          89   Empresa Nacional de Telecomun
      11172      529        102          96   Servicios Alestra S.A de C.V 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452     1035        958          13   TEDATA
      24863      790        146          36   LINKdotNET AS number
       3741      281        939         230   The Internet Solution 
       6713      243        647          17   Itissalat Al-MAGHRIB
      15706      242         32           6   Sudatel Internet Exchange Aut
      33776      240         13           8   Starcomms Nigeria Limited
      29571      217         17          13   Ci Telecom Autonomous system 
      12258      195         28          60   Vodacom Internet Company 
      24835      188         80           8   RAYA Telecom - Egypt
      16637      160        664          82   MTN Network Solutions
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3479       3814         220   bellsouth.net, inc. 
       7029     2918       1017         200   Windstream Communications Inc
       4766     2513      11104         971   Korea Telecom (KIX)
      18566     2093        383         177   Covad Communications 
       1785     1855        680         121   PaeTec Communications, Inc.
      10620     1717        318         155   TVCABLE BOGOTA 
      17974     1716        503          38   PT TELEKOMUNIKASI INDONESIA
       7545     1632        303          86   TPG Internet Pty Ltd
       4323     1620       1073         386   Time Warner Telecom
      20115     1604       1549         626   Charter Communications 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7029      2918        2718      Windstream Communications Inc
      18566      2093        1916      Covad Communications 
       1785      1855        1734      PaeTec Communications, Inc.
      17974      1716        1678      PT TELEKOMUNIKASI INDONESIA
       8402      1592        1577      Corbina telecom
      10620      1717        1562      TVCABLE BOGOTA 
       7545      1632        1546      TPG Internet Pty Ltd
       4766      2513        1542      Korea Telecom (KIX)
      28573      1577        1502      NET Servicos de Comunicao S.A
       7552      1491        1484      Vietel Corporation
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
      25639   UNALLOCATED  12.41.169.0/24        7018       AT&T WorldNet Servic
      13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic
      23502   UNALLOCATED  12.44.44.0/24         7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.103.0/24        7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.110.0/24         701       UUNET Technologies, 
      16476   UNALLOCATED  12.46.27.0/24         7018       AT&T WorldNet Servic
      32873   UNALLOCATED  12.46.100.0/23       10912       InterNAP Network Ser
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      128.0.0.0/21         12654     RIPE NCC RIS Project
      128.0.24.0/24        12654     RIPE NCC RIS Project
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      37.9.192.0/21        25424     INTERNEXT 2000 S.R.O.
      37.10.0.0/17         23456     32-bit ASN transition
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      64.21.192.0/20       11610     Internet Nebraska Corporation
      64.21.212.0/22       11610     Internet Nebraska Corporation
      64.21.216.0/21       11610     Internet Nebraska Corporation
      66.129.0.0/19         3901     Higher Technology Services, I
      
      Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:12      /10:27      /11:81      /12:237     
      /13:465     /14:814     /15:1445    /16:12061   /17:6115    /18:10180   
      /19:20115   /20:27947   /21:28173   /22:38333   /23:35855   /24:201635  
      /25:1180    /26:1407    /27:784     /28:169     /29:56      /30:14      
      /31:0       /32:18      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2546          2918      Windstream Communications Inc
       6389     2124          3479      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
      10620     1612          1717      TVCABLE BOGOTA 
       8402     1569          1592      Corbina telecom
      30036     1420          1460      Mediacom Communications Corp 
      11492     1105          1142      Cable One 
       1785     1059          1855      PaeTec Communications, Inc.
       7011     1051          1168      Citizens Utilities 
      15557      991          1035      LDCOM NETWORKS
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:451       2:415       4:15        5:1         6:3         8:360    
        12:1944     13:1        14:562      15:11       16:3        17:7      
        20:9        23:74       24:1695     27:1122     31:734      32:67     
        33:2        34:2        36:4        38:776      39:1        40:114    
        41:2992     42:78       43:1        44:3        46:1136     47:3      
        49:278      50:464      52:13       55:5        56:2        57:44     
        58:958      59:485      60:342      61:1185     62:932      63:1964   
        64:4112     65:2302     66:4371     67:2005     68:1183     69:3135   
        70:919      71:378      72:1776     74:2637     75:432      76:319    
        77:933      78:856      79:442      80:1171     81:848      82:528    
        83:530      84:570      85:1163     86:733      87:899      88:342    
        89:1578     90:247      91:4368     92:540      93:1505     94:1321   
        95:1047     96:397      97:286      98:766      99:38      100:1      
       101:130     103:561     106:11      107:113     108:99      109:1403   
       110:672     111:825     112:379     113:490     114:601     115:708    
       116:887     117:716     118:894     119:1244    120:343     121:674    
       122:1559    123:1028    124:1379    125:1340    128:556     129:189    
       130:182     131:584     132:162     133:21      134:225     135:54     
       136:213     137:151     138:286     139:124     140:493     141:255    
       142:382     143:388     144:490     145:67      146:477     147:222    
       148:634     149:273     150:164     151:192     152:445     153:172    
       154:7       155:382     156:210     157:366     158:155     159:499    
       160:341     161:221     162:362     163:187     164:521     165:387    
       166:541     167:459     168:816     169:146     170:829     171:93     
       172:4       173:1793    174:596     175:416     176:325     177:436    
       178:1143    180:1204    181:39      182:670     183:251     184:403    
       185:1       186:1426    187:783     188:954     189:1178    190:5290   
       192:5981    193:5191    194:4280    195:3364    196:1283    197:173    
       198:3629    199:4232    200:5512    201:1714    202:8480    203:8509   
       204:4345    205:2406    206:2668    207:2835    208:4024    209:3560   
       210:2750    211:1475    212:1972    213:1802    214:800     215:93     
       216:4927    217:1499    218:584     219:351     220:1250    221:529    
       222:326     223:264    
      
      End of report