[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, 19 May 2012 05:03:46 +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,
      TRNOG, 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 19 May, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              409230
          Prefixes after maximum aggregation:                          173889
          Deaggregation factor:                                          2.35
          Unique aggregates announced to Internet:                     199573
      Total ASes present in the Internet Routing Table:                 41033
          Prefixes per ASN:                                              9.97
      Origin-only ASes present in the Internet Routing Table:           33202
      Origin ASes announcing only one prefix:                           15654
      Transit ASes present in the Internet Routing Table:                5481
      Transit-only ASes present in the Internet Routing Table:            137
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      30
          Max AS path prepend of ASN (36992)                               22
      Prefixes from unregistered ASNs in the Routing Table:               365
          Unregistered ASNs in the Routing Table:                         132
      Number of 32-bit ASNs allocated by the RIRs:                       2716
      Number of 32-bit ASNs visible in the Routing Table:                2350
      Prefixes from 32-bit ASNs in the Routing Table:                    5960
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            106
      Number of addresses announced to Internet:                   2550061936
          Equivalent to 151 /8s, 254 /16s and 219 /24s
          Percentage of available address space announced:               68.8
          Percentage of allocated address space announced:               68.9
          Percentage of available address space allocated:               99.9
          Percentage of address space in use by end-sites:               92.7
      Total number of prefixes smaller than registry allocations:      174827
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   100170
          Total APNIC prefixes after maximum aggregation:               32430
          APNIC Deaggregation factor:                                    3.09
      Prefixes being announced from the APNIC address blocks:           96619
          Unique aggregates announced from the APNIC address blocks:    39919
      APNIC Region origin ASes present in the Internet Routing Table:    4690
          APNIC Prefixes per ASN:                                       20.60
      APNIC Region origin ASes announcing only one prefix:               1242
      APNIC Region transit ASes present in the Internet Routing Table:    728
      Average APNIC Region AS path length visible:                        4.7
          Max APNIC Region AS path length visible:                         22
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    212
      Number of APNIC addresses announced to Internet:              644826304
          Equivalent to 38 /8s, 111 /16s and 68 /24s
          Percentage of available APNIC address space announced:         81.8
      
      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:                    151240
          Total ARIN prefixes after maximum aggregation:                76711
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           121762
          Unique aggregates announced from the ARIN address blocks:     50992
      ARIN Region origin ASes present in the Internet Routing Table:    15113
          ARIN Prefixes per ASN:                                         8.06
      ARIN Region origin ASes announcing only one prefix:                5744
      ARIN Region transit ASes present in the Internet Routing Table:    1595
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          24
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      16
      Number of ARIN addresses announced to Internet:               812257216
          Equivalent to 48 /8s, 106 /16s and 15 /24s
          Percentage of available ARIN address space announced:          64.8
      
      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:                    101103
          Total RIPE prefixes after maximum aggregation:                54239
          RIPE Deaggregation factor:                                     1.86
      Prefixes being announced from the RIPE address blocks:            93267
          Unique aggregates announced from the RIPE address blocks:     58890
      RIPE Region origin ASes present in the Internet Routing Table:    16571
          RIPE Prefixes per ASN:                                         5.63
      RIPE Region origin ASes announcing only one prefix:                8060
      RIPE Region transit ASes present in the Internet Routing Table:    2649
      Average RIPE Region AS path length visible:                         5.0
          Max RIPE Region AS path length visible:                          30
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1563
      Number of RIPE addresses announced to Internet:               513346312
          Equivalent to 30 /8s, 153 /16s and 11 /24s
          Percentage of available RIPE address space announced:          82.7
      
      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:                   41527
          Total LACNIC prefixes after maximum aggregation:               8282
          LACNIC Deaggregation factor:                                   5.01
      Prefixes being announced from the LACNIC address blocks:          41554
          Unique aggregates announced from the LACNIC address blocks:   20491
      LACNIC Region origin ASes present in the Internet Routing Table:   1596
          LACNIC Prefixes per ASN:                                      26.04
      LACNIC Region origin ASes announcing only one prefix:               439
      LACNIC Region transit ASes present in the Internet Routing Table:   300
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   554
      Number of LACNIC addresses announced to Internet:             101104712
          Equivalent to 6 /8s, 6 /16s and 188 /24s
          Percentage of available LACNIC address space announced:        67.0
      
      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:                   9047
          Total AfriNIC prefixes after maximum aggregation:              2163
          AfriNIC Deaggregation factor:                                  4.18
      Prefixes being announced from the AfriNIC address blocks:          7073
          Unique aggregates announced from the AfriNIC address blocks:   2216
      AfriNIC Region origin ASes present in the Internet Routing Table:   540
          AfriNIC Prefixes per ASN:                                     13.10
      AfriNIC Region origin ASes announcing only one prefix:              169
      AfriNIC Region transit ASes present in the Internet Routing Table:  120
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       25
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    5
      Number of AfriNIC addresses announced to Internet:             31790080
          Equivalent to 1 /8s, 229 /16s and 20 /24s
          Percentage of available AfriNIC address space announced:       47.4
      
      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     2608      11113        1101   Korea Telecom (KIX)
      17974     1924        530          80   PT TELEKOMUNIKASI INDONESIA
       7545     1679        301          86   TPG Internet Pty Ltd
       4755     1577        385         155   TATA Communications formerly 
       9829     1296       1085          28   BSNL National Internet Backbo
       7552     1173       1062          11   Vietel Corporation
       9583     1157         87         500   Sify Limited
       4808     1109       2051         318   CNCGROUP IP network: China169
      24560     1027        385         167   Bharti Airtel Ltd., Telemedia
       9498      964        291          64   BHARTI Airtel Ltd.
      
      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     3414       3807         193   bellsouth.net, inc. 
       7029     3366        985         158   Windstream Communications Inc
      18566     2094        382         177   Covad Communications 
       1785     1905        681         131   PaeTec Communications, Inc.
      20115     1637       1566         619   Charter Communications 
      22773     1607       2911         121   Cox Communications, Inc.
       4323     1584       1042         383   Time Warner Telecom
      30036     1417        263         754   Mediacom Communications Corp 
       7018     1223      10024         821   AT&T WorldNet Services
      11492     1186        216         364   Cable One 
      
      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     1673        544          16   Corbina telecom
      34984      696        188         172   BILISIM TELEKOM
      31148      685         37           9   FreeNet ISP
      12479      681        671          67   Uni2 Autonomous System
       2118      658         97          14   EUnet/RELCOM Autonomous Syste
      20940      658        216         512   Akamai Technologies European 
       6830      655       2215         426   UPC Distribution Services
       8551      568        360          80   Bezeq International
       3320      486       8442         402   Deutsche Telekom AG
       3292      472       2108         407   TDC Tele Danmark
      
      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     1909        339         180   TVCABLE BOGOTA 
      28573     1866       1153          59   NET Servicos de Comunicao S.A
       6503     1527        418          65   AVANTEL, S.A. 
       8151     1484       3027         342   UniNet S.A. de C.V. 
       7303     1435        901         191   Telecom Argentina Stet-France
      26615      902        760          32   Tim Brasil S.A.
      27947      690         73          95   Telconet S.A
      11172      642         91          73   Servicios Alestra S.A de C.V 
      22047      582        326          15   VTR PUNTO NET S.A. 
       3816      578        244          98   Empresa Nacional de Telecomun
      
      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     1196        957          12   TEDATA
      24863      845        274          35   LINKdotNET AS number
       6713      497        649          18   Itissalat Al-MAGHRIB
       3741      262        905         223   The Internet Solution 
      33776      203         12          21   Starcomms Nigeria Limited
      12258      197         28          62   Vodacom Internet Company 
      24835      179         80           8   RAYA Telecom - Egypt
      16637      170        666          82   MTN Network Solutions
      15706      164         32           6   Sudatel Internet Exchange Aut
      29571      157         15          16   Ci Telecom Autonomous system 
      
      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     3414       3807         193   bellsouth.net, inc. 
       7029     3366        985         158   Windstream Communications Inc
       4766     2608      11113        1101   Korea Telecom (KIX)
      18566     2094        382         177   Covad Communications 
      17974     1924        530          80   PT TELEKOMUNIKASI INDONESIA
      10620     1909        339         180   TVCABLE BOGOTA 
       1785     1905        681         131   PaeTec Communications, Inc.
      28573     1866       1153          59   NET Servicos de Comunicao S.A
       7545     1679        301          86   TPG Internet Pty Ltd
       8402     1673        544          16   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      3366        3208      Windstream Communications Inc
      18566      2094        1917      Covad Communications 
      17974      1924        1844      PT TELEKOMUNIKASI INDONESIA
      28573      1866        1807      NET Servicos de Comunicao S.A
       1785      1905        1774      PaeTec Communications, Inc.
      10620      1909        1729      TVCABLE BOGOTA 
       8402      1673        1657      Corbina telecom
       7545      1679        1593      TPG Internet Pty Ltd
       4766      2608        1507      Korea Telecom (KIX)
      22773      1607        1486      Cox Communications, Inc.
      
      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
      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
      32873   UNALLOCATED  12.46.102.0/24       10912       InterNAP Network Ser
      14764   UNALLOCATED  12.108.237.0/24       7018       AT&T WorldNet Servic
      
      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
      27.112.114.0/24      23884     Proimage Engineering and Comm
      41.222.79.0/24       36938     >>UNKNOWN<<
      
      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      /10:29      /11:81      /12:235     
      /13:460     /14:832     /15:1495    /16:12258   /17:6266    /18:10598   
      /19:20694   /20:29440   /21:30649   /22:40198   /23:38324   /24:213890  
      /25:1218    /26:1450    /27:809     /28:168     /29:68      /30:17      
      /31:0       /32:20      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     3023          3366      Windstream Communications Inc
       6389     2133          3414      bellsouth.net, inc. 
      18566     2043          2094      Covad Communications 
      10620     1735          1909      TVCABLE BOGOTA 
       8402     1651          1673      Corbina telecom
      30036     1358          1417      Mediacom Communications Corp 
       6503     1285          1527      AVANTEL, S.A. 
      11492     1149          1186      Cable One 
       7011     1070          1185      Citizens Utilities 
       1785     1063          1905      PaeTec Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:542       2:686       4:13        5:11        6:3         8:414    
        12:2005     13:1        14:610      15:12       16:3        17:5      
        20:23       23:172      24:1772     27:1286     31:961      32:57     
        33:2        34:2        36:8        37:469      38:808      40:121    
        41:3097     42:133      44:3        46:1422     47:3        49:404    
        50:550      52:13       54:10       55:9        56:3        57:33     
        58:958      59:484      60:253      61:1228     62:995      63:2051   
        64:4179     65:2252     66:4473     67:2011     68:1164     69:3202   
        70:905      71:489      72:1823     74:2598     75:491      76:327    
        77:941      78:982      79:488      80:1211     81:911      82:664    
        83:553      84:487      85:1221     86:436      87:917      88:333    
        89:1708     90:290      91:4845     92:547      93:1321     94:1527   
        95:1181     96:367      97:313      98:878      99:38      100:7      
       101:190     103:1081    106:103     107:185     108:295     109:1329   
       110:765     111:921     112:410     113:603     114:623     115:834    
       116:932     117:715     118:910     119:1229    120:355     121:699    
       122:1658    123:1103    124:1382    125:1252    128:561     129:195    
       130:250     131:634     132:177     133:22      134:248     135:62     
       136:214     137:240     138:359     139:183     140:493     141:244    
       142:414     143:566     144:524     145:70      146:503     147:297    
       148:770     149:296     150:191     151:177     152:469     153:172    
       154:12      155:402     156:223     157:382     158:183     159:551    
       160:340     161:265     162:347     163:188     164:606     165:398    
       166:571     167:469     168:863     169:126     170:868     171:131    
       172:4       173:1743    174:580     175:431     176:586     177:754    
       178:1369    180:1214    181:83      182:1000    183:296     184:494    
       185:1       186:2302    187:1079    188:1275    189:1806    190:5511   
       192:5999    193:5444    194:4181    195:3219    196:1289    197:136    
       198:3658    199:4628    200:5840    201:1935    202:8584    203:8597   
       204:4335    205:2544    206:2765    207:2801    208:4062    209:3625   
       210:2754    211:1518    212:2030    213:1941    214:870     215:103    
       216:5096    217:1549    218:544     219:314     220:1238    221:557    
       222:324     223:337    
      
      End of report