[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
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at apnic dot net>
  • Date: Sat, 26 Mar 2005 04:09:21 +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
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 26 Mar, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              158533
          Prefixes after maximum aggregation:                           92562
          Unique aggregates announced to Internet:                      76294
      Total ASes present in the Internet Routing Table:                 19241
      Origin-only ASes present in the Internet Routing Table:           16738
      Origin ASes announcing only one prefix:                            7786
      Transit ASes present in the Internet Routing Table:                2503
      Transit-only ASes present in the Internet Routing Table:             73
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      21
      Prefixes from unregistered ASNs in the Routing Table:                29
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             13
      Number of addresses announced to Internet:                   1390054164
          Equivalent to 82 /8s, 218 /16s and 139 /24s
          Percentage of available address space announced:               37.5
          Percentage of allocated address space announced:               59.3
          Percentage of available address space allocated:               63.2
      Total number of prefixes smaller than registry allocations:       73966
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    32079
          Total APNIC prefixes after maximum aggregation:               15262
      Prefixes being announced from the APNIC address blocks:           29996
          Unique aggregates announced from the APNIC address blocks:    15266
      APNIC Region origin ASes present in the Internet Routing Table:    2228
      APNIC Region origin ASes announcing only one prefix:                644
      APNIC Region transit ASes present in the Internet Routing Table:    334
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              179568000
          Equivalent to 10 /8s, 179 /16s and 253 /24s
          Percentage of available APNIC address space announced:         66.6
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
                             23552-24575
      APNIC Address Blocks   58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
                             220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                     86303
          Total ARIN prefixes after maximum aggregation:                52803
      Prefixes being announced from the ARIN address blocks:            67323
          Unique aggregates announced from the ARIN address blocks:     24776
      ARIN Region origin ASes present in the Internet Routing Table:     9783
      ARIN Region origin ASes announcing only one prefix:                3537
      ARIN Region transit ASes present in the Internet Routing Table:     932
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          21
      Number of ARIN addresses announced to Internet:               243068928
          Equivalent to 14 /8s, 124 /16s and 240 /24s
          Percentage of available ARIN address space announced:          72.4
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
                             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
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     30239
          Total RIPE prefixes after maximum aggregation:                20782
      Prefixes being announced from the RIPE address blocks:            27240
          Unique aggregates announced from the RIPE address blocks:     18009
      RIPE Region origin ASes present in the Internet Routing Table:     6460
      RIPE Region origin ASes announcing only one prefix:                3394
      RIPE Region transit ASes present in the Internet Routing Table:    1088
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               196673216
          Equivalent to 11 /8s, 184 /16s and 254 /24s
          Percentage of available RIPE address space announced:          69.0
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
                             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
      RIPE Address Blocks    62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    8489
          Total LACNIC prefixes after maximum aggregation:               3019
      Prefixes being announced from the LACNIC address blocks:           6926
          Unique aggregates announced from the LACNIC address blocks:    3999
      LACNIC Region origin ASes present in the Internet Routing Table:    606
      LACNIC Region origin ASes announcing only one prefix:               188
      LACNIC Region transit ASes present in the Internet Routing Table:   110
      Average LACNIC Region AS path length visible:                       5.1
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              17826048
          Equivalent to 1 /8s, 16 /16s and 1 /24s
          Percentage of available LACNIC address space announced:        53.1
      
      LACNIC AS Blocks       26592-26623, 27648-28671
      LACNIC Address Blocks  200/7
      
      Emerging AfriNIC Region Analysis Summary
      ----------------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1393
          Total AfriNIC prefixes after maximum aggregation:               696
      Prefixes being announced from the AfriNIC address blocks:           902
          Unique aggregates announced from the AfriNIC address blocks:    721
      AfriNIC Region origin ASes present in the Internet Routing Table:    96
      AfriNIC Region origin ASes announcing only one prefix:               23
      AfriNIC Region transit ASes present in the Internet Routing Table:   13
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2190336
          Equivalent to 0 /8s, 33 /16s and 108 /24s
          Percentage of available AfriNIC address space announced:       13.1
      
      AfriNIC AS Blocks      <none>
      AfriNIC Address Blocks 196/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4134      894       4777         178   CHINANET-BACKBONE
       1221      785       1191         558   Telstra Pty Ltd
       9583      631         50          32   Sify Limited
       4766      584       3415         275   Korea Telecom (KIX)
       4755      501        242         105   Videsh Sanchar Nigam Ltd. Aut
       7545      485         86          70   TPG Internet Pty Ltd
      17676      425       6428          74   Softbank BB Corp.
       9443      374         77          79   Primus Telecommunications
       9929      358        175          45   China Netcom Corp.
       2907      345       1823         319   SINET Japan
      17557      337         24         155   Pakistan Telecom
      10036      306         28         279   C&M Communication Co. Ltd.
       4808      300        247         161   CNCGROUP IP network: China169
       7474      291        268         211   SingTel Optus Pty Ltd
       4802      283         47         167   Wantree Development
       9498      262         82          53   BHARTI BT INTERNET LTD.
       2764      255        238         203   AAPT Limited
        703      249        279         207   UUNET - Commercial IP service
       9800      235        386          69   CHINA UNICOM
      17974      235         63          12   PT TELEKOMUNIKASI INDONESIA
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1477       6562         966   AT&T WorldNet Services
        721     1119      21763         314   DLA Systems Automation Center
       4323     1085        663         224   Time Warner Telecom
        701     1018       8283         867   UUNET Technologies, Inc. 
        174      932       5570         791   Cogent Communications
       1239      915       2868         661   Sprint 
       6197      880        383         412   BellSouth Network Solutions, 
       2386      829        500         612   AT&T Data Communications Serv
      18566      780        208           6   Covad Communications 
        209      635       3476         500   Qwest 
      20115      592        492         309   Charter Communications 
       3356      582      10867         430   Level 3 Communications, LLC 
        852      540       1095         399   Telus Advanced Communications
       3561      538       2370         414   Savvis
       3602      506        121          93   Sprint Canada, Inc. 
       6478      498        833         115   AT&T Worldnet Services 
      22773      475       1188          21   Cox Communications, Inc.
       5668      473        115          26   CenturyTel Internet Holdings,
       6198      470        567         191   BellSouth Network Solutions, 
      27364      465         43          18   Armstrong Cable Services 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      603       2004         493   UUNET - Commercial IP service
       3320      296       2992         231   Deutsche Telekom AG
       3301      289       1116         279   TeliaNet Sweden
       8220      276        466         270   COLT Telecommunications
        680      254       2041         239   DFN-IP service G-WiN
       3246      231        475         225   Song Networks
       8708      222        251         203   Romania Data Systems S.A.
      13083      218         51           8   Mannesmann Datenverarbeitung 
       9121      206        239          45   TTnet Autonomous System
       1257      201        712         177   SWIPnet Swedish IP Network
       5515      178        778         128   Sonera Solution Autonomous Sy
        786      176       1794         176   The JANET IP Service
       3269      166       1456          72   TELECOM ITALIA
       6746      162         47         142   Dynamic Network Technologies,
        719      158        322          99   LANLINK autonomous system
       8866      155         20           7   Bulgarian Telecommunication C
       3300      153        184          86   AUCS Communications Services 
       6830      143        529          28   UPC Distribution Services
       5400      142        281         124   BT Ignite European Backbone
      25186      142        138         100   France Telecom Transpac's Tra
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      340        489         142   UniNet S.A. de C.V. 
      16814      233         14           6   NSS, S.A. 
      11172      214         99          52   Servicios Alestra S.A de C.V 
       6147      205        102          20   Telefonica Del Peru 
      19632      191         14           7   Metropolis Intercom S.A. 
      11664      149         19          23   Keytech SA 
       7303      147         67          31   Telecom Argentina Stet-France
       6505      132         90          88   Global One Communicaoes Ltda 
      14117      119          8           4   Telefonica del Sur S.A. 
      22047      116         96           6   VTR PUNTO NET S.A. 
      18822      102          6          14   TELEFONICA MANQUEHUE 
       6503      101        144          71   AVANTEL, S.A. 
      13999      100         52           9   Mega Cable S.A. de C.V. 
      11556       98         49           4   Cable-Wireless Panama 
      19169       92          6          16   Telconet 
      23216       88         24          24   RAMtelecom Telecomunicaciones
       6535       87          7          23   Chilesat Servicios  Empresari
      11311       86          8          22   Sinectis S.A. 
       5639       84         12           9   Telecommunications Services o
      10481       80         32           7   Prima S.A. 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      268        635         225   The Internet Solution 
       5536      114         15          18   Internet Egypt Network
      20928       91         16           2   Noor Advanced Technologies AS
       2018       90        295          87   Tertiary Education Network 
       2905       74        266          68   The Internetworking Company o
      24835       58         34           6   RAYA Telecom - Egypt
       8452       55         20           5   TEDATA
      12455       41          7           4   Jambonet Autonomous system
       9129       39          3           2   UUNET Kenya
       6713       35         54           9   Itissalat Al-MAGHRIB
       5713       27        141          24   Telkom SA Ltd 
       8524       24          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      10798       19          1          11   Standard Bank of South Africa
       7460       18          3           5   LIA Internet Access 
       8346       18         10          11   SONATEL-AS Autonomous System
      12258       18          3          12   Vodacom Internet Company 
      21280       18          2           3   Swift Global Kenya Ltd.Is an 
      15808       16          1           1   Communication Solutions Ltd i
      21491       16          1           3   UTL On-line is RF broadband I
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
          0         0       65531      *
       4323      1085         861      Time Warner Telecom
        721      1119         805      DLA Systems Automation Center
      18566       780         774      Covad Communications 
       4134       894         716      CHINANET-BACKBONE
       9583       631         599      Sify Limited
       6197       880         468      BellSouth Network Solutions, 
      22773       475         454      Cox Communications, Inc.
       5668       473         447      CenturyTel Internet Holdings,
      27364       465         447      Armstrong Cable Services 
       7545       485         415      TPG Internet Pty Ltd
       3602       506         413      Sprint Canada, Inc. 
       4755       501         396      Videsh Sanchar Nigam Ltd. Aut
       6467       420         387      E.Spire Communications, Inc. 
       6478       498         383      AT&T Worldnet Services 
      17676       425         351      Softbank BB Corp.
       6140       384         313      ImpSat
       9929       358         313      China Netcom Corp.
       4766       584         309      Korea Telecom (KIX)
       9443       374         295      Primus Telecommunications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65535   PRIVATE       64.111.161.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.162.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.164.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.165.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.167.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.169.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.170.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.171.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.172.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.173.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.174.0/24      33205       KMC Telecom Solution
      65535   PRIVATE       64.111.175.0/24      33205       KMC Telecom Solution
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      30998   UNALLOCATED   65.120.56.0/21         209       Qwest 
      64500   RESERVED      85.114.96.0/21        1680       NetVision Ltd.
      65503   PRIVATE       193.125.183.0/24      3217       SIMBIRSK
      30998   UNALLOCATED   196.207.0.0/20         209       Qwest 
      65004   PRIVATE       200.0.113.0/24       28477       Universidad Autonoma
      65004   PRIVATE       200.4.0.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.1.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.2.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.3.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.4.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.5.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.6.0/24         28477       Universidad Autonoma
      24255   UNALLOCATED   202.88.192.0/21       4721       Musasino-Mitaka Cabl
      24255   UNALLOCATED   202.127.80.0/20       4721       Musasino-Mitaka Cabl
      65529   PRIVATE       216.21.199.0/24      14697       VDot.Net 
      65529   PRIVATE       216.152.237.0/24     14697       VDot.Net 
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      132.0.0.0/10           721     DLA Systems Automation Center
      137.0.0.0/13           721     DLA Systems Automation Center
      158.0.0.0/13           721     DLA Systems Automation Center
      172.32.0.0/24         7011     Citizens Utilities 
      192.43.230.0/24       7575     Australian Academic and Rease
      192.44.0.0/24         5501     Fraunhofer Gesellschaft
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.70.164.0/24      25689     National Research Council of 
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T WorldNet Services
      192.172.0.0/19         721     DLA Systems Automation Center
      192.200.100.0/24      7018     AT&T WorldNet Services
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:3       /10:8       /11:14      /12:64      
      /13:151     /14:305     /15:575     /16:8331    /17:2489    /18:4266    
      /19:10126   /20:10857   /21:8722    /22:12126   /23:13204   /24:86402   
      /25:265     /26:259     /27:128     /28:60      /29:26      /30:90      
      /31:0       /32:43      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      765           780      Covad Communications 
       6197      721           880      BellSouth Network Solutions, 
       7018      651          1477      AT&T WorldNet Services
       2386      581           829      AT&T Data Communications Serv
       4323      506          1085      Time Warner Telecom
       9583      453           631      Sify Limited
      27364      450           465      Armstrong Cable Services 
       4766      400           584      Korea Telecom (KIX)
       5668      399           473      CenturyTel Internet Holdings,
       1239      379           915      Sprint 
        702      366           603      UUNET - Commercial IP service
       6198      337           470      BellSouth Network Solutions, 
       6467      312           420      E.Spire Communications, Inc. 
      10036      306           306      C&M Communication Co. Ltd.
       6517      288           310      Yipes Communications, Inc. 
       9929      282           358      China Netcom Corp.
       7011      280           329      Citizens Utilities 
      11456      263           310      Carolina Online, Inc. 
      15270      249           268      PaeTec.net -a division of Pae
      13609      247           292      Choice One Communications Inc
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4         8:11       12:1502     13:1        15:9        16:2      
        17:3        18:4        20:4        24:744      32:64       33:4      
        38:102      40:55       44:3        47:2        52:3        55:2      
        56:3        57:23       58:5        59:11       60:25       61:739    
        62:540      63:1874     64:2638     65:2082     66:2727     67:511    
        68:506      69:952      70:77       71:5        72:121      80:536    
        81:510      82:350      83:248      84:129      85:175     128:139    
       129:156     130:89      131:281     132:33      133:1       134:144    
       135:40      136:184     137:65      138:158     139:50      140:193    
       141:105     142:139     143:130     144:172     145:45      146:281    
       147:101     148:293     149:167     150:97      151:63      152:108    
       153:85      154:3       155:143     156:64      157:87      158:167    
       159:168     160:72      161:60      162:199     163:84      164:213    
       165:160     166:127     167:228     168:412     169:135     170:306    
       171:8       172:1       192:5660    193:3109    194:2321    195:1614   
       196:626     198:3921    199:3264    200:4062    201:59      202:5356   
       203:6116    204:3743    205:2027    206:2365    207:2708    208:2072   
       209:3233    210:1639    211:829     212:1180    213:1275    214:240    
       215:31      216:3692    217:1140    218:190     219:101     220:372    
       221:123     222:72     
      
      End of report