[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, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 19 Sep 2009 04:14:00 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 19 Sep, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              296617
          Prefixes after maximum aggregation:                          139697
          Deaggregation factor:                                          2.12
          Unique aggregates announced to Internet:                     147808
      Total ASes present in the Internet Routing Table:                 32213
          Prefixes per ASN:                                              9.21
      Origin-only ASes present in the Internet Routing Table:           27997
      Origin ASes announcing only one prefix:                           13673
      Transit ASes present in the Internet Routing Table:                4216
      Transit-only ASes present in the Internet Routing Table:            102
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      39
          Max AS path prepend of ASN (22394)                               36
      Prefixes from unregistered ASNs in the Routing Table:               432
          Unregistered ASNs in the Routing Table:                         121
      Number of 32-bit ASNs allocated by the RIRs:                        275
      Prefixes from 32-bit ASNs in the Routing Table:                     126
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            229
      Number of addresses announced to Internet:                   2107111040
          Equivalent to 125 /8s, 151 /16s and 246 /24s
          Percentage of available address space announced:               56.8
          Percentage of allocated address space announced:               65.1
          Percentage of available address space allocated:               87.3
          Percentage of address space in use by end-sites:               78.9
      Total number of prefixes smaller than registry allocations:      142159
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    71434
          Total APNIC prefixes after maximum aggregation:               25020
          APNIC Deaggregation factor:                                    2.86
      Prefixes being announced from the APNIC address blocks:           67830
          Unique aggregates announced from the APNIC address blocks:    30301
      APNIC Region origin ASes present in the Internet Routing Table:    3792
          APNIC Prefixes per ASN:                                       17.89
      APNIC Region origin ASes announcing only one prefix:               1036
      APNIC Region transit ASes present in the Internet Routing Table:    583
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              460221984
          Equivalent to 27 /8s, 110 /16s and 110 /24s
          Percentage of available APNIC address space announced:         78.4
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks    43/8,  58/8,  59/8,  60/8,  61/8, 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, 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,
                            
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    125111
          Total ARIN prefixes after maximum aggregation:                66615
          ARIN Deaggregation factor:                                     1.88
      Prefixes being announced from the ARIN address blocks:            99638
          Unique aggregates announced from the ARIN address blocks:     38372
      ARIN Region origin ASes present in the Internet Routing Table:    13244
          ARIN Prefixes per ASN:                                         7.52
      ARIN Region origin ASes announcing only one prefix:                5129
      ARIN Region transit ASes present in the Internet Routing Table:    1300
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          39
      Number of ARIN addresses announced to Internet:               705394816
          Equivalent to 42 /8s, 11 /16s and 120 /24s
          Percentage of available ARIN address space announced:          61.8
      
      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,  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,  52/8,  54/8,  55/8,
                              56/8,  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, 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:                     68436
          Total RIPE prefixes after maximum aggregation:                40022
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            62149
          Unique aggregates announced from the RIPE address blocks:     41489
      RIPE Region origin ASes present in the Internet Routing Table:    13484
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                7037
      RIPE Region transit ASes present in the Internet Routing Table:    2031
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               399639232
          Equivalent to 23 /8s, 210 /16s and 2 /24s
          Percentage of available RIPE address space announced:          79.4
      
      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, 196608-197631
      RIPE Address Blocks     25/8,  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, 178/8, 193/8, 194/8, 195/8, 212/8,
                             213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   25376
          Total LACNIC prefixes after maximum aggregation:               6231
          LACNIC Deaggregation factor:                                   4.07
      Prefixes being announced from the LACNIC address blocks:          23706
          Unique aggregates announced from the LACNIC address blocks:   13257
      LACNIC Region origin ASes present in the Internet Routing Table:   1177
          LACNIC Prefixes per ASN:                                      20.14
      LACNIC Region origin ASes announcing only one prefix:               381
      LACNIC Region transit ASes present in the Internet Routing Table:   189
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              66558464
          Equivalent to 3 /8s, 247 /16s and 154 /24s
          Percentage of available LACNIC address space announced:        66.1
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   5892
          Total AfriNIC prefixes after maximum aggregation:              1545
          AfriNIC Deaggregation factor:                                  3.81
      Prefixes being announced from the AfriNIC address blocks:          4268
          Unique aggregates announced from the AfriNIC address blocks:   1495
      AfriNIC Region origin ASes present in the Internet Routing Table:   319
          AfriNIC Prefixes per ASN:                                     13.38
      AfriNIC Region origin ASes announcing only one prefix:               90
      AfriNIC Region transit ASes present in the Internet Routing Table:   68
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12382208
          Equivalent to 0 /8s, 188 /16s and 240 /24s
          Percentage of available AfriNIC address space announced:       36.9
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1761       6995         453   Korea Telecom (KIX)
      17488     1547        138         105   Hathway IP Over Cable Interne
       4755     1263        292         143   TATA Communications formerly 
       9583     1098         87         533   Sify Limited
       4134     1008      18168         391   CHINANET-BACKBONE
      18101      976        203          33   Reliance Infocom Ltd Internet
       7545      857        198         100   TPG Internet Pty Ltd
       9829      812        625          18   BSNL National Internet Backbo
      24560      766        284         166   Bharti Airtel Ltd., Telemedia
       4808      764       1518         182   CNCGROUP IP network: China169
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4170       3627         313   bellsouth.net, inc. 
       4323     1927       1049         386   Time Warner Telecom
       1785     1742        714         138   PaeTec Communications, Inc.
      20115     1641       1478         673   Charter Communications 
       7018     1488       5875        1053   AT&T WorldNet Services
       6478     1427        284         259   AT&T Worldnet Services 
       2386     1313        656         951   AT&T Data Communications Serv
       3356     1227      10980         439   Level 3 Communications, LLC 
      11492     1123        208          12   Cable One 
      22773     1102       2604          66   Cox Communications, Inc.
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      30890      491         93         200   Evolva Telecom
       3292      447       1900         394   TDC Tele Danmark
      12479      424        578           6   Uni2 Autonomous System
        702      423       1821         341   UUNET - Commercial IP service
      35805      392         40           5   United Telecom of Georgia
       9198      376        138          12   Kazakhtelecom Data Network Ad
       8866      358        110          23   Bulgarian Telecommunication C
       3320      354       7067         303   Deutsche Telekom AG
       3301      349       1412         309   TeliaNet Sweden
       3215      347       3121         111   France Telecom Transpac
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1476       2899         246   UniNet S.A. de C.V. 
      10620     1010        226          99   TVCABLE BOGOTA 
      28573      710        622          62   NET Servicos de Comunicao S.A
       7303      640        339          90   Telecom Argentina Stet-France
      22047      542        302          14   VTR PUNTO NET S.A. 
      11830      475        310          61   Instituto Costarricense de El
      11172      439         99          70   Servicios Alestra S.A de C.V 
       7738      424        858          29   Telecomunicacoes da Bahia S.A
       6471      423         96          31   ENTEL CHILE S.A. 
      14117      418         29          11   Telefonica del Sur S.A. 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452      978        188           7   TEDATA
      24863      935         96          61   LINKdotNET AS number
       3741      272        856         234   The Internet Solution 
       2018      197        187         116   Tertiary Education Network 
       6713      175        166          16   Itissalat Al-MAGHRIB
      29571      139         14           6   Ci Telecom Autonomous system 
      24835      123         46           9   RAYA Telecom - Egypt
      33776      123          7          11   Starcomms Nigeria Limited
       5536      122          8          13   Internet Egypt Network
       5713      116        508          67   Telkom SA Ltd 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4170       3627         313   bellsouth.net, inc. 
       4323     1927       1049         386   Time Warner Telecom
       4766     1761       6995         453   Korea Telecom (KIX)
       1785     1742        714         138   PaeTec Communications, Inc.
      20115     1641       1478         673   Charter Communications 
      17488     1547        138         105   Hathway IP Over Cable Interne
       7018     1488       5875        1053   AT&T WorldNet Services
       8151     1476       2899         246   UniNet S.A. de C.V. 
       6478     1427        284         259   AT&T Worldnet Services 
       2386     1313        656         951   AT&T Data Communications Serv
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       1785      1742        1604      PaeTec Communications, Inc.
       4323      1927        1541      Time Warner Telecom
      17488      1547        1442      Hathway IP Over Cable Interne
       4766      1761        1308      Korea Telecom (KIX)
       8151      1476        1230      UniNet S.A. de C.V. 
       6478      1427        1168      AT&T Worldnet Services 
       4755      1263        1120      TATA Communications formerly 
      11492      1123        1111      Cable One 
      18566      1062        1052      Covad Communications 
      22773      1102        1036      Cox Communications, Inc.
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      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   12.39.159.0/24        7018       AT&T WorldNet Servic
      32326   UNALLOCATED   12.40.49.0/24         7018       AT&T WorldNet Servic
      25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.189.0/24      26452     Local Communications Networks
      43.245.0.0/16         7502     Internetwork Kyoto
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      63.143.251.0/24      22555     Universal Talkware Corporatio
      64.31.32.0/19        11955     ServiceCo LLC - Road Runner 
      64.72.112.0/20       19166     Allied Riser Communications, 
      64.247.160.0/20      10937     Island Internet Services 
      
      Complete listing at http://thyme.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       /9:10      /10:24      /11:63      /12:175     
      /13:355     /14:626     /15:1197    /16:10663   /17:4826    /18:8374    
      /19:17422   /20:20842   /21:20788   /22:27097   /23:26608   /24:154744  
      /25:932     /26:1056    /27:567     /28:166     /29:40      /30:15      
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2701          4170      bellsouth.net, inc. 
       4766     1434          1761      Korea Telecom (KIX)
      17488     1292          1547      Hathway IP Over Cable Interne
       1785     1209          1742      PaeTec Communications, Inc.
      11492     1051          1123      Cable One 
      18566     1043          1062      Covad Communications 
       4323      968          1927      Time Warner Telecom
       9583      950          1098      Sify Limited
      10620      916          1010      TVCABLE BOGOTA 
       8452      902           978      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:13        8:226      12:2150     13:7        15:21       16:3      
        17:5        20:36       24:1136     32:52       34:2        38:601    
        40:97       41:1717     43:1        44:2        47:13       52:6      
        55:2        56:2        57:25       58:608      59:635      60:461    
        61:1071     62:1030     63:2013     64:3632     65:2402     66:3402   
        67:1790     68:979      69:2749     70:569      71:157      72:1657   
        73:2        74:1745     75:179      76:323      77:872      78:586    
        79:380      80:900      81:798      82:518      83:437      84:529    
        85:1029     86:380      87:680      88:386      89:1473     90:55     
        91:2553     92:404      93:1230     94:1180     95:1098     96:165    
        97:266      98:287      99:30      109:3       110:201     111:438    
       112:131     113:150     114:256     115:350     116:1134    117:562    
       118:329     119:785     120:122     121:772     122:1278    123:768    
       124:1054    125:1367    128:222     129:217     130:129     131:423    
       132:75      133:10      134:174     135:42      136:241     137:164    
       138:173     139:84      140:433     141:121     142:382     143:343    
       144:377     145:49      146:391     147:163     148:531     149:213    
       150:208     151:187     152:215     153:155     154:2       155:279    
       156:165     157:304     158:113     159:352     160:291     161:164    
       162:271     163:165     164:276     165:522     166:475     167:371    
       168:685     169:166     170:473     171:40      172:2       173:413    
       174:331     175:1       178:1       180:25      182:1       186:142    
       187:147     188:1018    189:571     190:3016    192:5768    193:4269   
       194:3286    195:2757    196:1141    198:3554    199:3349    200:5188   
       201:1309    202:7844    203:8269    204:3896    205:2194    206:2391   
       207:2725    208:3955    209:3394    210:2563    211:1127    212:1603   
       213:1636    214:178     215:33      216:4282    217:1313    218:410    
       219:450     220:1132    221:442     222:325    
      
      End of report