[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 Apr 2008 04:06:54 +1000 (EST)
  • Delivered-to: apops at mailman dot apnic dot net
  • List-archive: <http://mailman.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • 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 Apr, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              253162
          Prefixes after maximum aggregation:                          126760
          Deaggregation factor:                                          2.00
          Unique aggregates announced to Internet:                     123363
      Total ASes present in the Internet Routing Table:                 27936
          Prefixes per ASN:                                              9.06
      Origin-only ASes present in the Internet Routing Table:           24339
      Origin ASes announcing only one prefix:                           11339
      Transit ASes present in the Internet Routing Table:                3597
      Transit-only ASes present in the Internet Routing Table:             82
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      19
          Max AS path prepend of ASN (39375)                               13
      Prefixes from unregistered ASNs in the Routing Table:             25206
          Unregistered ASNs in the Routing Table:                        1878
      Number of 32-bit ASNs allocated by the RIRs:                         44
      Prefixes from 32-bit ASNs in the Routing Table:                       9
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            817
      Number of addresses announced to Internet:                   1863527072
          Equivalent to 111 /8s, 19 /16s and 42 /24s
          Percentage of available address space announced:               50.3
          Percentage of allocated address space announced:               61.7
          Percentage of available address space allocated:               81.4
          Percentage of address space in use by end-sites:               71.6
      Total number of prefixes smaller than registry allocations:      121228
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    42770
          Total APNIC prefixes after maximum aggregation:               13580
          APNIC Deaggregation factor:                                    3.15
      Prefixes being announced from the APNIC address blocks:           55042
          Unique aggregates announced from the APNIC address blocks:    23982
      APNIC Region origin ASes present in the Internet Routing Table:    1919
          APNIC Prefixes per ASN:                                       28.68
      APNIC Region origin ASes announcing only one prefix:                552
      APNIC Region transit ASes present in the Internet Routing Table:    351
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         14
      Number of APNIC addresses announced to Internet:              343577696
          Equivalent to 20 /8s, 122 /16s and 148 /24s
          Percentage of available APNIC address space announced:         78.8
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 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, 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:                    107494
          Total ARIN prefixes after maximum aggregation:                59206
          ARIN Deaggregation factor:                                     1.82
      Prefixes being announced from the ARIN address blocks:            86580
          Unique aggregates announced from the ARIN address blocks:     34280
      ARIN Region origin ASes present in the Internet Routing Table:    11728
          ARIN Prefixes per ASN:                                         7.38
      ARIN Region origin ASes announcing only one prefix:                4573
      ARIN Region transit ASes present in the Internet Routing Table:    1051
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               362513664
          Equivalent to 21 /8s, 155 /16s and 133 /24s
          Percentage of available ARIN address space announced:          74.5
      
      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
      ARIN Address Blocks     24/8,  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, 173/8, 174/8,
                             199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     54327
          Total RIPE prefixes after maximum aggregation:                33347
          RIPE Deaggregation factor:                                     1.63
      Prefixes being announced from the RIPE address blocks:            49539
          Unique aggregates announced from the RIPE address blocks:     33168
      RIPE Region origin ASes present in the Internet Routing Table:    11204
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5857
      RIPE Region transit ASes present in the Internet Routing Table:    1705
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               353545728
          Equivalent to 21 /8s, 18 /16s and 174 /24s
          Percentage of available RIPE address space announced:          81.0
      
      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
      RIPE Address Blocks     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, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   19668
          Total LACNIC prefixes after maximum aggregation:               4920
          LACNIC Deaggregation factor:                                   4.00
      Prefixes being announced from the LACNIC address blocks:          18046
          Unique aggregates announced from the LACNIC address blocks:    9732
      LACNIC Region origin ASes present in the Internet Routing Table:    893
          LACNIC Prefixes per ASN:                                      20.21
      LACNIC Region origin ASes announcing only one prefix:               279
      LACNIC Region transit ASes present in the Internet Routing Table:   153
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              50580736
          Equivalent to 3 /8s, 3 /16s and 205 /24s
          Percentage of available LACNIC address space announced:        50.2
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 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:                   3696
          Total AfriNIC prefixes after maximum aggregation:              1150
          AfriNIC Deaggregation factor:                                  3.21
      Prefixes being announced from the AfriNIC address blocks:          4073
          Unique aggregates announced from the AfriNIC address blocks:   1828
      AfriNIC Region origin ASes present in the Internet Routing Table:   235
          AfriNIC Prefixes per ASN:                                     17.33
      AfriNIC Region origin ASes announcing only one prefix:               78
      AfriNIC Region transit ASes present in the Internet Routing Table:   43
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             11336192
          Equivalent to 0 /8s, 172 /16s and 250 /24s
          Percentage of available AfriNIC address space announced:       33.8
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4755     1632        387          89   Videsh Sanchar Nigam Ltd. Aut
       9583     1166         99         211   Sify Limited
       9498     1162        550          61   BHARTI BT INTERNET LTD.
      17488     1016         69          78   Hathway IP Over Cable Interne
       4134      856      12647         320   CHINANET-BACKBONE
       4766      851       6006         344   Korea Telecom (KIX)
      18101      681        132          54   Reliance Infocom Ltd Internet
       9829      598        450          12   BSNL National Internet Backbo
       1221      544       1918         418   Telstra Pty Ltd
       4812      544        980          73   China Telecom (Shanghai)
      
      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
       4323     1428       1030         377   Time Warner Telecom
       7018     1407       5978        1006   AT&T WorldNet Services
       2386     1394        642         862   AT&T Data Communications Serv
      11492     1214        146          45   Cable One 
       7011     1094        318         621   Citizens Utilities 
      18566     1043        296          10   Covad Communications 
       1785     1011        511         107   AppliedTheory Corporation 
       6197      984        597         507   BellSouth Network Solutions, 
        174      967       6835         801   Cogent Communications
      20115      922        874         512   Charter Communications 
      
      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
       3292      406       1787         368   TDC Tele Danmark
       8452      356        188           7   TEDATA
       9198      339         74           9   Kazakhtelecom Data Network Ad
       3301      338       1459         307   TeliaNet Sweden
       3320      327       7045         271   Deutsche Telekom AG
       8866      293         78          24   Bulgarian Telecommunication C
       8551      282        269          37   Bezeq International
       3215      279       2679          89   France Telecom Transpac
       5462      275        666          26   Telewest Broadband
       6746      267        128         244   Dynamic Network Technologies,
      
      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     1190       2433         221   UniNet S.A. de C.V. 
      11830      571        299           9   Instituto Costarricense de El
      22047      558        270          14   VTR PUNTO NET S.A. 
       7303      448        220          59   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
      11172      415        117          70   Servicios Alestra S.A de C.V 
       6471      413         85          46   ENTEL CHILE S.A. 
      10620      403        105          52   TVCABLE BOGOTA 
      14117      384         25          15   Telefonica del Sur S.A. 
      20299      300         36          31   NEWCOM AMERICAS 
      
      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
      24863      463         61          27   LINKdotNET AS number
       3741      289        853         223   The Internet Solution 
      20858      217         34           3   EgyNet
       2018      187        222          91   Tertiary Education Network 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      134         10          13   EEPAD TISP TELECOM & INTERNET
       5536      121          8          16   Internet Egypt Network
      29571      119         13           8   Ci Telecom Autonomous system 
       5713      105        507          83   Telkom SA Ltd 
      33776       99          6           7   Starcomms Nigeria Limited
      
      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     2838       3020         115   bellsouth.net, inc. 
      23577     1640         34         701   Korea Telecom (ATM-MPLS)
       4755     1632        387          89   Videsh Sanchar Nigam Ltd. Aut
       4323     1428       1030         377   Time Warner Telecom
       7018     1407       5978        1006   AT&T WorldNet Services
       2386     1394        642         862   AT&T Data Communications Serv
      11492     1214        146          45   Cable One 
       8151     1190       2433         221   UniNet S.A. de C.V. 
       9583     1166         99         211   Sify Limited
       9498     1162        550          61   BHARTI BT INTERNET LTD.
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1632        1543      Videsh Sanchar Nigam Ltd. Aut
      11492      1214        1169      Cable One 
       9498      1162        1101      BHARTI BT INTERNET LTD.
       4323      1428        1051      Time Warner Telecom
      18566      1043        1033      Covad Communications 
       8151      1190         969      UniNet S.A. de C.V. 
       9583      1166         955      Sify Limited
      17676      1016         951      Softbank BB Corp.
      23577      1640         939      Korea Telecom (ATM-MPLS)
      17488      1016         938      Hathway IP Over Cable Interne
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      14780   UNALLOCATED   4.79.181.0/24        10310       Yahoo! 
      12180   UNALLOCATED   4.79.248.0/24         1239       Sprint 
      12180   UNALLOCATED   8.10.16.0/24          3549       Global Crossing 
      12180   UNALLOCATED   8.10.58.0/23          3549       Global Crossing 
      14779   UNALLOCATED   8.12.144.0/24        10310       Yahoo! 
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      22492   UNALLOCATED   12.2.46.0/24          1239       Sprint 
      15132   UNALLOCATED   12.9.150.0/24          701       UUNET Technologies, 
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.75.192.0/18        7843     Adelphia Corp. 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      
      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       /9:9       /10:16      /11:42      /12:138     
      /13:279     /14:507     /15:1008    /16:9837    /17:4360    /18:7294    
      /19:15314   /20:17741   /21:16990   /22:21579   /23:22563   /24:133179  
      /25:766     /26:908     /27:494     /28:101     /29:9       /30:1       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1200          1214      Cable One 
       2386     1092          1394      AT&T Data Communications Serv
      18566     1024          1043      Covad Communications 
       9583     1004          1166      Sify Limited
       7011      977          1094      Citizens Utilities 
       4755      970          1632      Videsh Sanchar Nigam Ltd. Aut
       6478      910           911      AT&T Worldnet Services 
       6389      882          2838      bellsouth.net, inc. 
       9498      836          1162      BHARTI BT INTERNET LTD.
      17488      828          1016      Hathway IP Over Cable Interne
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:105      12:2004     13:1        15:20       16:3      
        17:6        18:13       20:35       24:1061     25:1        32:61     
        33:4        38:415      40:94       41:633      44:2        47:8      
        52:3        55:3        56:3        57:22       58:517      59:452    
        60:410      61:980      62:1080     63:1958     64:3460     65:2395   
        66:3633     67:1154     68:672      69:2145     70:608      71:125    
        72:1688     73:6        74:942      75:225      76:291      77:628    
        78:578      79:146      80:889      81:851      82:590      83:364    
        84:561      85:1002     86:383      87:643      88:323      89:1259   
        90:11       91:1192     92:274      93:251      96:23       97:14     
        98:138      99:3       116:603     117:285     118:113     119:388    
       120:13      121:517     122:745     123:314     124:838     125:1111   
       128:318     129:199     130:126     131:397     132:65      133:9      
       134:180     135:32      136:220     137:111     138:147     139:61     
       140:489     141:96      142:430     143:279     144:346     145:50     
       146:346     147:142     148:501     149:181     150:128     151:176    
       152:142     153:121     154:10      155:265     156:175     157:264    
       158:168     159:221     160:253     161:110     162:209     163:196    
       164:510     165:445     166:299     167:316     168:606     169:127    
       170:427     171:28      172:2       189:162     190:1779    192:5769   
       193:4090    194:3251    195:2393    196:1037    198:3741    199:3236   
       200:5613    201:1401    202:7566    203:7808    204:3996    205:2124   
       206:2395    207:2744    208:3261    209:3472    210:2542    211:1043   
       212:1344    213:1649    214:449     215:48      216:4281    217:1218   
       218:353     219:407     220:1080    221:396     222:311    
      
      End of report