[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, 3 Sep 2011 05:10:00 +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 03 Sep, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              370062
          Prefixes after maximum aggregation:                          167213
          Deaggregation factor:                                          2.21
          Unique aggregates announced to Internet:                     183305
      Total ASes present in the Internet Routing Table:                 38662
          Prefixes per ASN:                                              9.57
      Origin-only ASes present in the Internet Routing Table:           32065
      Origin ASes announcing only one prefix:                           15405
      Transit ASes present in the Internet Routing Table:                5220
      Transit-only ASes present in the Internet Routing Table:            139
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      36
          Max AS path prepend of ASN (22394)                               33
      Prefixes from unregistered ASNs in the Routing Table:              1179
          Unregistered ASNs in the Routing Table:                         675
      Number of 32-bit ASNs allocated by the RIRs:                       1700
      Number of 32-bit ASNs visible in the Routing Table:                1377
      Prefixes from 32-bit ASNs in the Routing Table:                    3177
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            110
      Number of addresses announced to Internet:                   2472185408
          Equivalent to 147 /8s, 90 /16s and 142 /24s
          Percentage of available address space announced:               66.7
          Percentage of allocated address space announced:               66.7
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.2
      Total number of prefixes smaller than registry allocations:      154267
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    93241
          Total APNIC prefixes after maximum aggregation:               30588
          APNIC Deaggregation factor:                                    3.05
      Prefixes being announced from the APNIC address blocks:           89767
          Unique aggregates announced from the APNIC address blocks:    38038
      APNIC Region origin ASes present in the Internet Routing Table:    4545
          APNIC Prefixes per ASN:                                       19.75
      APNIC Region origin ASes announcing only one prefix:               1248
      APNIC Region transit ASes present in the Internet Routing Table:    709
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     79
      Number of APNIC addresses announced to Internet:              625813024
          Equivalent to 37 /8s, 77 /16s and 38 /24s
          Percentage of available APNIC address space announced:         79.4
      
      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:                    142899
          Total ARIN prefixes after maximum aggregation:                73449
          ARIN Deaggregation factor:                                     1.95
      Prefixes being announced from the ARIN address blocks:           114823
          Unique aggregates announced from the ARIN address blocks:     47244
      ARIN Region origin ASes present in the Internet Routing Table:    14626
          ARIN Prefixes per ASN:                                         7.85
      ARIN Region origin ASes announcing only one prefix:                5626
      ARIN Region transit ASes present in the Internet Routing Table:    1551
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          36
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               804272128
          Equivalent to 47 /8s, 240 /16s and 56 /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:                     87977
          Total RIPE prefixes after maximum aggregation:                49929
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            81096
          Unique aggregates announced from the RIPE address blocks:     53651
      RIPE Region origin ASes present in the Internet Routing Table:    15930
          RIPE Prefixes per ASN:                                         5.09
      RIPE Region origin ASes announcing only one prefix:                7931
      RIPE Region transit ASes present in the Internet Routing Table:    2507
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:     981
      Number of RIPE addresses announced to Internet:               488374784
          Equivalent to 29 /8s, 28 /16s and 2 /24s
          Percentage of available RIPE address space announced:          78.7
      
      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:                   34284
          Total LACNIC prefixes after maximum aggregation:               7721
          LACNIC Deaggregation factor:                                   4.44
      Prefixes being announced from the LACNIC address blocks:          33570
          Unique aggregates announced from the LACNIC address blocks:   17498
      LACNIC Region origin ASes present in the Internet Routing Table:   1514
          LACNIC Prefixes per ASN:                                      22.17
      LACNIC Region origin ASes announcing only one prefix:               447
      LACNIC Region transit ASes present in the Internet Routing Table:   279
      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:   301
      Number of LACNIC addresses announced to Internet:              87749504
          Equivalent to 5 /8s, 58 /16s and 243 /24s
          Percentage of available LACNIC address space announced:        58.1
      
      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:                   8317
          Total AfriNIC prefixes after maximum aggregation:              2022
          AfriNIC Deaggregation factor:                                  4.11
      Prefixes being announced from the AfriNIC address blocks:          6417
          Unique aggregates announced from the AfriNIC address blocks:   2012
      AfriNIC Region origin ASes present in the Internet Routing Table:   483
          AfriNIC Prefixes per ASN:                                     13.29
      AfriNIC Region origin ASes announcing only one prefix:              153
      AfriNIC Region transit ASes present in the Internet Routing Table:  104
      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:    4
      Number of AfriNIC addresses announced to Internet:             26801152
          Equivalent to 1 /8s, 152 /16s and 244 /24s
          Percentage of available AfriNIC address space announced:       39.9
      
      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     2508      11047         954   Korea Telecom (KIX)
      17974     1949        516          31   PT TELEKOMUNIKASI INDONESIA
       7545     1577        301          83   TPG Internet Pty Ltd
       4755     1538        635         169   TATA Communications formerly 
      24560     1195        337         187   Bharti Airtel Ltd., Telemedia
       9829     1151        989          28   BSNL National Internet Backbo
       4808     1073       2092         305   CNCGROUP IP network: China169
       9583     1073         79         503   Sify Limited
      17488     1031        192         150   Hathway IP Over Cable Interne
       7552      991       1062          11   Vietel Corporation
      
      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     3564       3817         227   bellsouth.net, inc. 
      18566     1913        365         238   Covad Communications 
       1785     1822        680         122   PaeTec Communications, Inc.
       4323     1624       1085         396   Time Warner Telecom
      20115     1590       1540         633   Charter Communications 
       7029     1581        995         230   Windstream Communications Inc
      22773     1452       2906          99   Cox Communications, Inc.
      19262     1393       4716         399   Verizon Global Networks 
       7018     1341       7051         877   AT&T WorldNet Services
       2386     1222        515         880   AT&T Data Communications Serv
      
      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
      34984      541        107         182   BILISIM TELEKOM
       6830      523       1811         321   UPC Distribution Services
      20940      490        148         383   Akamai Technologies European 
       3292      470       2079         404   TDC Tele Danmark
      12479      466        593           7   Uni2 Autonomous System
       8866      459        133          26   Bulgarian Telecommunication C
       3320      430       8152         374   Deutsche Telekom AG
      29049      424         31          55   AzerSat LLC.
       8402      404        352          13   Corbina telecom
       8551      404        354          44   Bezeq International
      
      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     1628        298         154   TVCABLE BOGOTA 
       8151     1405       2775         351   UniNet S.A. de C.V. 
      28573     1283       1003          71   NET Servicos de Comunicao S.A
       7303     1058        578         170   Telecom Argentina Stet-France
      14420      715         57          88   CORPORACION NACIONAL DE TELEC
       6503      591        450          68   AVANTEL, S.A. 
      22047      579        322          17   VTR PUNTO NET S.A. 
      27947      561         55          82   Telconet S.A
       3816      531        232          96   Empresa Nacional de Telecomun
       7738      515        986          31   Telecomunicacoes da Bahia S.A
      
      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
      24863      809        147          43   LINKdotNET AS number
       8452      625        445          11   TEDATA
      15475      512         74           8   Nile Online
      36992      302        415          14   Etisalat MISR
       3741      266        937         227   The Internet Solution 
       6713      242        519          14   Itissalat Al-MAGHRIB
      15706      219         32           6   Sudatel Internet Exchange Aut
      33776      207         13          14   Starcomms Nigeria Limited
      12258      194         28          61   Vodacom Internet Company 
      24835      181         70          12   RAYA Telecom - Egypt
      
      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     3564       3817         227   bellsouth.net, inc. 
      23456     3177        752        1709   32-bit ASN transition
       4766     2508      11047         954   Korea Telecom (KIX)
      17974     1949        516          31   PT TELEKOMUNIKASI INDONESIA
      18566     1913        365         238   Covad Communications 
       1785     1822        680         122   PaeTec Communications, Inc.
      10620     1628        298         154   TVCABLE BOGOTA 
       4323     1624       1085         396   Time Warner Telecom
      20115     1590       1540         633   Charter Communications 
       7029     1581        995         230   Windstream Communications Inc
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      17974      1949        1918      PT TELEKOMUNIKASI INDONESIA
       1785      1822        1700      PaeTec Communications, Inc.
      18566      1913        1675      Covad Communications 
       4766      2508        1554      Korea Telecom (KIX)
       7545      1577        1494      TPG Internet Pty Ltd
      10620      1628        1474      TVCABLE BOGOTA 
      23456      3177        1468      32-bit ASN transition
       4755      1538        1369      TATA Communications formerly 
      22773      1452        1353      Cox Communications, Inc.
       7029      1581        1351      Windstream 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
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
      26973   UNALLOCATED  12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.155.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.159.0/24        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
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.225.128.0/18      36377     Comcast Telecommunications, I
      24.225.192.0/23      36377     Comcast Telecommunications, I
      24.225.192.0/18      36377     Comcast Telecommunications, I
      24.225.224.0/21      36377     Comcast Telecommunications, I
      24.225.237.0/24      36377     Comcast Telecommunications, I
      24.225.248.0/21      36377     Comcast Telecommunications, I
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      46.18.104.0/21       23456     32-bit ASN transition
      50.115.0.0/20        40431     Travail Systems, LLC 
      
      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      /12:233     
      /13:461     /14:796     /15:1410    /16:11946   /17:5944    /18:9965    
      /19:19636   /20:26661   /21:26765   /22:35839   /23:34555   /24:192384  
      /25:1117    /26:1301    /27:736     /28:165     /29:4       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2200          3564      bellsouth.net, inc. 
      18566     1868          1913      Covad Communications 
      23456     1553          3177      32-bit ASN transition
      10620     1523          1628      TVCABLE BOGOTA 
       7029     1280          1581      Windstream Communications Inc
      11492     1107          1153      Cable One 
       7011     1057          1182      Citizens Utilities 
       1785     1053          1822      PaeTec Communications, Inc.
      22773      942          1452      Cox Communications, Inc.
      30036      928           956      Mediacom Communications Corp 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:363       2:51        4:15        5:1         6:3         8:348    
        12:1950     13:1        14:529      15:13       16:3        17:5      
        20:10       23:31       24:1678     27:931      31:518      32:64     
        33:3        34:2        36:4        38:734      40:107      41:2413   
        42:40       44:3        46:1076     47:3        49:229      50:413    
        52:13       54:2        55:3        56:2        57:35       58:873    
        59:491      60:376      61:1172     62:1095     63:1940     64:4007   
        65:2307     66:3927     67:1931     68:1111     69:3129     70:781    
        71:375      72:1857     74:2422     75:328      76:339      77:862    
        78:705      79:452      80:1120     81:840      82:493      83:494    
        84:683      85:1083     86:497      87:860      88:338      89:1532   
        90:231      91:4054     92:524      93:1139     94:1382     95:879    
        96:416      97:271      98:924      99:37      101:203     103:250    
       106:79      107:41      108:75      109:1012    110:662     111:748    
       112:309     113:429     114:565     115:704     116:997     117:681    
       118:884     119:1197    120:334     121:686     122:1618    123:1003   
       124:1343    125:1355    128:248     129:178     130:166     131:579    
       132:119     133:21      134:214     135:53      136:213     137:136    
       138:294     139:116     140:492     141:286     142:389     143:418    
       144:487     145:61      146:464     147:222     148:631     149:250    
       150:152     151:190     152:441     153:179     154:6       155:398    
       156:201     157:354     158:141     159:450     160:319     161:207    
       162:335     163:167     164:512     165:366     166:537     167:433    
       168:748     169:146     170:847     171:84      172:1       173:1646   
       174:615     175:399     176:156     177:244     178:1019    180:1013   
       181:25      182:609     183:243     184:351     185:1       186:1408   
       187:687     188:938     189:878     190:5153    192:5927    193:5001   
       194:3518    195:3050    196:1237    197:144     198:3585    199:4086   
       200:5440    201:1567    202:8525    203:8502    204:4241    205:2329   
       206:2675    207:2832    208:4034    209:3433    210:2712    211:1466   
       212:2084    213:1764    214:776     215:76      216:4854    217:1624   
       218:550     219:344     220:1195    221:515     222:353     223:261    
      
      
      End of report