[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, 24 Dec 2011 05:23:39 +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 24 Dec, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              387081
          Prefixes after maximum aggregation:                          168128
          Deaggregation factor:                                          2.30
          Unique aggregates announced to Internet:                     189666
      Total ASes present in the Internet Routing Table:                 39672
          Prefixes per ASN:                                              9.76
      Origin-only ASes present in the Internet Routing Table:           32553
      Origin ASes announcing only one prefix:                           15517
      Transit ASes present in the Internet Routing Table:                5339
      Transit-only ASes present in the Internet Routing Table:            141
      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:              1962
          Unregistered ASNs in the Routing Table:                        1019
      Number of 32-bit ASNs allocated by the RIRs:                       2123
      Number of 32-bit ASNs visible in the Routing Table:                1780
      Prefixes from 32-bit ASNs in the Routing Table:                    4232
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            127
      Number of addresses announced to Internet:                   2503477552
          Equivalent to 149 /8s, 56 /16s and 9 /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:               91.8
      Total number of prefixes smaller than registry allocations:      163949
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    95769
          Total APNIC prefixes after maximum aggregation:               31336
          APNIC Deaggregation factor:                                    3.06
      Prefixes being announced from the APNIC address blocks:           92133
          Unique aggregates announced from the APNIC address blocks:    38669
      APNIC Region origin ASes present in the Internet Routing Table:    4619
          APNIC Prefixes per ASN:                                       19.95
      APNIC Region origin ASes announcing only one prefix:               1249
      APNIC Region transit ASes present in the Internet Routing Table:    729
      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:    125
      Number of APNIC addresses announced to Internet:              632233600
          Equivalent to 37 /8s, 175 /16s and 30 /24s
          Percentage of available APNIC address space announced:         80.2
      
      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:                    146693
          Total ARIN prefixes after maximum aggregation:                74924
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           118806
          Unique aggregates announced from the ARIN address blocks:     48828
      ARIN Region origin ASes present in the Internet Routing Table:    14819
          ARIN Prefixes per ASN:                                         8.02
      ARIN Region origin ASes announcing only one prefix:                5672
      ARIN Region transit ASes present in the Internet Routing Table:    1566
      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:               804598720
          Equivalent to 47 /8s, 245 /16s and 51 /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:                     94898
          Total RIPE prefixes after maximum aggregation:                51720
          RIPE Deaggregation factor:                                     1.83
      Prefixes being announced from the RIPE address blocks:            86897
          Unique aggregates announced from the RIPE address blocks:     55306
      RIPE Region origin ASes present in the Internet Routing Table:    16209
          RIPE Prefixes per ASN:                                         5.36
      RIPE Region origin ASes announcing only one prefix:                7986
      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:    1239
      Number of RIPE addresses announced to Internet:               494850504
          Equivalent to 29 /8s, 126 /16s and 209 /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:                   36823
          Total LACNIC prefixes after maximum aggregation:               8014
          LACNIC Deaggregation factor:                                   4.59
      Prefixes being announced from the LACNIC address blocks:          36312
          Unique aggregates announced from the LACNIC address blocks:   18904
      LACNIC Region origin ASes present in the Internet Routing Table:   1559
          LACNIC Prefixes per ASN:                                      23.29
      LACNIC Region origin ASes announcing only one prefix:               451
      LACNIC Region transit ASes present in the Internet Routing Table:   287
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        27
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   398
      Number of LACNIC addresses announced to Internet:              94882952
          Equivalent to 5 /8s, 167 /16s and 204 /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:                   8506
          Total AfriNIC prefixes after maximum aggregation:              2063
          AfriNIC Deaggregation factor:                                  4.12
      Prefixes being announced from the AfriNIC address blocks:          6551
          Unique aggregates announced from the AfriNIC address blocks:   2036
      AfriNIC Region origin ASes present in the Internet Routing Table:   503
          AfriNIC Prefixes per ASN:                                     13.02
      AfriNIC Region origin ASes announcing only one prefix:              159
      AfriNIC Region transit ASes present in the Internet Routing Table:  111
      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:             30835968
          Equivalent to 1 /8s, 214 /16s and 133 /24s
          Percentage of available AfriNIC address space announced:       45.9
      
      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     2488      11102         967   Korea Telecom (KIX)
      17974     1716        503          38   PT TELEKOMUNIKASI INDONESIA
       7545     1629        303          86   TPG Internet Pty Ltd
       4755     1515        385         157   TATA Communications formerly 
       7552     1420       1064           7   Vietel Corporation
       9829     1168        989          28   BSNL National Internet Backbo
       9583     1101         81         494   Sify Limited
       4808     1076       2036         307   CNCGROUP IP network: China169
      24560     1012        385         167   Bharti Airtel Ltd., Telemedia
      18101      974        131         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     3473       3814         219   bellsouth.net, inc. 
       7029     2910       1017         200   Windstream Communications Inc
      18566     2093        383         177   Covad Communications 
       1785     1860        680         122   PaeTec Communications, Inc.
       4323     1621       1065         385   Time Warner Telecom
      20115     1612       1549         622   Charter Communications 
      22773     1515       2909         107   Cox Communications, Inc.
      30036     1466        260         686   Mediacom Communications Corp 
      19262     1389       4683         401   Verizon Global Networks 
       7018     1302       7012         854   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     1617        480          15   Corbina telecom
      15557     1092       2161          64   LDCOM NETWORKS
       2118      672         99          14   EUnet/RELCOM Autonomous Syste
       6830      648       1928         413   UPC Distribution Services
      34984      628        132         197   BILISIM TELEKOM
      20940      555        179         441   Akamai Technologies European 
      12479      551        636          53   Uni2 Autonomous System
       3320      532       8162         398   Deutsche Telekom AG
       3292      480       2106         407   TDC Tele Danmark
       8866      464        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     1719        318         157   TVCABLE BOGOTA 
      28573     1574       1064          75   NET Servicos de Comunicao S.A
       8151     1452       2960         356   UniNet S.A. de C.V. 
       7303     1249        752         174   Telecom Argentina Stet-France
      27947      631         73          94   Telconet S.A
      22047      582        322          17   VTR PUNTO NET S.A. 
       7738      551       1050          31   Telecomunicacoes da Bahia S.A
       3816      547        237          90   Empresa Nacional de Telecomun
       6503      539        434          67   AVANTEL, S.A. 
      11172      530        102          97   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     1036        958          13   TEDATA
      24863      790        146          36   LINKdotNET AS number
       3741      280        939         229   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     3473       3814         219   bellsouth.net, inc. 
       7029     2910       1017         200   Windstream Communications Inc
       4766     2488      11102         967   Korea Telecom (KIX)
      18566     2093        383         177   Covad Communications 
       1785     1860        680         122   PaeTec Communications, Inc.
      10620     1719        318         157   TVCABLE BOGOTA 
      17974     1716        503          38   PT TELEKOMUNIKASI INDONESIA
       7545     1629        303          86   TPG Internet Pty Ltd
       4323     1621       1065         385   Time Warner Telecom
       8402     1617        480          15   Corbina telecom
      
      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      2910        2710      Windstream Communications Inc
      18566      2093        1916      Covad Communications 
       1785      1860        1738      PaeTec Communications, Inc.
      17974      1716        1678      PT TELEKOMUNIKASI INDONESIA
       8402      1617        1602      Corbina telecom
      10620      1719        1562      TVCABLE BOGOTA 
       7545      1629        1543      TPG Internet Pty Ltd
       4766      2488        1521      Korea Telecom (KIX)
      28573      1574        1499      NET Servicos de Comunicao S.A
       7552      1420        1413      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
      14.192.0.0/22        45464     Room 201, TGU Bldg
      14.192.4.0/22        45464     Room 201, TGU Bldg
      14.192.8.0/22        45464     Room 201, TGU Bldg
      14.192.12.0/22       45464     Room 201, TGU Bldg
      14.192.16.0/22       45464     Room 201, TGU Bldg
      14.192.20.0/22       45464     Room 201, TGU Bldg
      14.192.24.0/22       45464     Room 201, TGU Bldg
      14.192.28.0/22       45464     Room 201, TGU Bldg
      37.19.72.0/21        42322     Zhanr Ltd.
      37.25.64.0/21        33828     iptoX GmbH
      
      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     /15:1448    /16:12072   /17:6121    /18:10183   
      /19:20111   /20:27962   /21:28218   /22:38383   /23:35824   /24:201495  
      /25:1182    /26:1403    /27:771     /28:166     /29:55      /30:14      
      /31:0       /32:18      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2538          2910      Windstream Communications Inc
       6389     2118          3473      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
      10620     1614          1719      TVCABLE BOGOTA 
       8402     1596          1617      Corbina telecom
      30036     1426          1466      Mediacom Communications Corp 
      11492     1115          1152      Cable One 
       1785     1063          1860      PaeTec Communications, Inc.
       7011     1051          1168      Citizens Utilities 
      15557     1042          1092      LDCOM NETWORKS
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:470       2:427       4:15        5:1         6:3         8:366    
        12:1946     13:1        14:576      15:11       16:3        17:7      
        20:9        23:79       24:1716     27:1129     31:734      32:67     
        33:2        34:2        36:4        37:6        38:774      40:115    
        41:2978     42:78       43:1        44:3        46:1142     47:3      
        49:280      50:471      52:13       55:6        56:2        57:42     
        58:924      59:488      60:342      61:1172     62:937      63:1963   
        64:4137     65:2303     66:4372     67:1989     68:1167     69:3134   
        70:924      71:410      72:1787     74:2640     75:431      76:320    
        77:941      78:871      79:469      80:1167     81:839      82:524    
        83:529      84:577      85:1162     86:743      87:905      88:353    
        89:1585     90:249      91:4375     92:533      93:1525     94:1333   
        95:1051     96:398      97:286      98:785      99:38      100:2      
       101:130     103:582     106:11      107:118     108:100     109:1404   
       110:675     111:827     112:432     113:494     114:591     115:707    
       116:873     117:713     118:891     119:1272    120:359     121:671    
       122:1600    123:1029    124:1329    125:1347    128:554     129:189    
       130:185     131:586     132:163     133:21      134:226     135:54     
       136:213     137:151     138:285     139:126     140:492     141:256    
       142:382     143:389     144:501     145:67      146:475     147:222    
       148:634     149:269     150:165     151:191     152:445     153:170    
       154:7       155:383     156:210     157:365     158:154     159:504    
       160:358     161:221     162:333     163:186     164:522     165:389    
       166:544     167:455     168:816     169:146     170:830     171:95     
       172:4       173:1803    174:602     175:400     176:323     177:425    
       178:1148    180:1207    181:39      182:674     183:265     184:408    
       185:1       186:1398    187:780     188:1003    189:1174    190:5316   
       192:5979    193:5439    194:3781    195:3182    196:1291    197:170    
       198:3615    199:4233    200:5523    201:1681    202:8489    203:8524   
       204:4344    205:2419    206:2681    207:2819    208:4010    209:3563   
       210:2746    211:1476    212:1956    213:1800    214:796     215:93     
       216:4919    217:1473    218:569     219:336     220:1255    221:529    
       222:323     223:265    
      
      End of report