[apops] Weekly Routing Table Report

  • To: apops at lists dot apnic dot net, rtma at arin dot net, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at thyme dot apnic dot net>
  • Date: Fri, 4 Jan 2002 20:04:32 +1000 (EST)
  • Reply-to: pfs@cisco.com
  • Sender: owner-apops@lists.apnic.net
    • This is an automated weekly mailing describing the state of the Internet
      Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For a graphical representation, please see http://www.apnic.net/stats/bgp.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   20:00 +10GMT Fri 04 Jan, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            106715
          Prefixes after maximum aggregation:                         71378
          Unique aggregates announced to Internet:                    51984
      Total ASes present in the Internet Routing Table:               12269
      Origin-only ASes present in the Internet Routing Table:         10659
      Origin ASes announcing only one prefix:                          4619
      Transit ASes present in the Internet Routing Table:              1610
      Transit-only ASes present in the Internet Routing Table:           52
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    16
      Illegal AS announcements present in the Routing Table:              9
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    15
      Number of addresses announced to Internet:                 1163873544
          Equivalent to 69 /8s, 95 /16s and 77 /24s
          Percentage of available address space announced:             31.4
          Percentage of allocated address space announced:             59.4
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     71507
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  16569
          Total APNIC prefixes after maximum aggregation:             10381
      Prefixes being announced from the APNIC address blocks:         15196
          Unique aggregates announced from the APNIC address blocks:   9754
      APNIC Region origin ASes present in the Internet Routing Table:  1417
      APNIC Region origin ASes announcing only one prefix:              460
      APNIC Region transit ASes present in the Internet Routing Table:  244
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       14
      Number of APNIC addresses announced to Internet:             78241984
          Equivalent to 4 /8s, 169 /16s and 224 /24s
          Percentage of available APNIC address space announced:       57.8
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                             17408 - 18431, 23552 - 24575
      APNIC Address Blocks   61/8, 202/7, 210/7, 218/7 and 220/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   72289
          Total ARIN prefixes after maximum aggregation:              47115
      Prefixes being announced from the ARIN address blocks:          51975
          Unique aggregates announced from the ARIN address blocks:   16922
      ARIN Region origin ASes present in the Internet Routing Table:   7271
      ARIN Region origin ASes announcing only one prefix:              2256
      ARIN Region transit ASes present in the Internet Routing Table:   725
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             181949896
          Equivalent to 10 /8s, 216 /16s and 85 /24s
          Percentage of available ARIN address space announced:        67.8
      
      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
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   17850
          Total RIPE prefixes after maximum aggregation:              13882
      Prefixes being announced from the RIPE address blocks:          14557
          Unique aggregates announced from the RIPE address blocks:    9718
      RIPE Region origin ASes present in the Internet Routing Table:   3529
      RIPE Region origin ASes announcing only one prefix:              1903
      RIPE Region transit ASes present in the Internet Routing Table:   631
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             105295872
          Equivalent to 6 /8s, 70 /16s and 176 /24s
          Percentage of available RIPE address space announced:        69.7
      
      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
      RIPE Address Blocks    62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221     1343       1259         985   Telstra Pty Ltd
        703      400        348         307   UUNET Technologies, Inc. 
       2764      399        378         373   connect.com.au pty ltd
       2907      390       1891         360   SINET Japan
       4755      315        115          88   Videsh Sanchar Nigam Ltd. Aut
       7474      310        285         202   Optus Communications Pty Ltd
       4134      268       1874          98   Data Communications Bureau
       4766      189       1396         139   Korea Internet Exchange for "
      17557      175         13          86   Pakistan Telecom
       9443      173         45          69   Primus Telecommunications
       1659      165        924          34   Taiwan Academic Network (TANe
       9583      159         32           5   Satyam Infoway Ltd.,
       4740      149         34         123   OzEmail ISP
       4812      143        288          36   China Telecom (Group) - Shang
       9768      143        381          87   Korea Telecom
       7657      126         22          85   The Internet Group Limited
      17676      121       1920           7   XTAGE CORPORATION
       4780      117        186          40   Digital United Inc.
       4713      115        894         102   NTT Communications Corporatio
       9800      112        194          21   CHINA UNICOM
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1089       2669         857   UUNET Technologies, Inc. 
       3301      401        925         353   TeliaNet Sweden
       1257      253        489         250   SWIPnet Swedish IP Network
        680      233       2149         231   DFN-IP service G-WiN
       3215      233        562         152   France Telecom / &Equant
       5515      216        705         176   Sonera Finland Autonomous Sys
       3320      202       1961         170   Deutsche Telekom AG
        786      180       1873         180   The JANET IP Service
        719      164        289         118   LANLINK autonomous system
       5400      148         60          85   Concert European Core Network
       8708      145         20         139   Romania Data Systems S.A.
       5549      140         78          64   Nextra Deutschland GmbH + Co.
       2856      136        777         125   BTnet UK Regional network
       3303      134        575         124   Swisscom Ltd
       3269      115        663          70   TELECOM ITALIA
      12302      111          7          35   MobiFon S.A.
        517      109        230         107   KPNQwest Germany GmbH
       8297      108         31          62   Teleglobe Autonomous System i
       1290       96        396          71   PSINet UK Ltd.
       5511       95        192          79   France Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2137       8786        1519   UUNET Technologies, Inc. 
       7018     1121       7412         876   AT&T 
       3967      902        359         427   Exodus Communication 
          1      869       8408         645   BBN Planet 
       3908      776       1639         479   Supernet, Inc. 
       1239      766       3180         600   Sprint 
       8010      714         62          11   PublicNet Communications, Inc
       7046      688        822         439   UUNET Technologies, Inc. 
       4323      585        364         201   Time Warner Communications, I
        852      580        978         384   Telus Advanced Communications
        690      533         76         318   Merit Network 
        209      512       1861         296   Qwest 
        705      472        349         296   UUNET Technologies, Inc. 
       2914      459       2210         430   Verio, Inc. 
       3549      403        836         201   Global Crossing 
       7132      402        470         168   Southwestern Bell Internet Se
       2149      396        230         333   Performance Systems, Inc. 
       3561      378       2253         328   Cable & Wireless USA 
       4151      363        704          16   USDA 
        577      352        588         220   Bell Advanced Communications 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   Net Savings Description
       8010      703      PublicNet Communications, Inc
       3967      475      Exodus Communication 
       4323      384      Time Warner Communications, I
       1221      358      Telstra Pty Ltd
       4151      347      USDA 
       3908      297      Supernet, Inc. 
      11371      271      Rhythms NetConnections 
       7046      249      UUNET Technologies, Inc. 
       7018      245      AT&T 
       6347      237      SAVVIS Communications Corpora
       7132      234      Southwestern Bell Internet Se
        702      232      UUNET Technologies, Inc. 
       4755      227      Videsh Sanchar Nigam Ltd. Aut
          1      224      BBN Planet 
        209      216      Qwest 
        690      215      Merit Network 
       3549      202      Global Crossing 
       4355      199      EarthLink, Inc. 
        852      196      Telus Advanced Communications
       6517      196      Yipes Communications, Inc. 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp. 
      65021   PRIVATE       203.75.135.0/27       3462       Data Communication B
      65021   PRIVATE       203.75.210.129/32     3462       Data Communication B
      65021   PRIVATE       203.75.210.130/32     3462       Data Communication B
      65021   PRIVATE       203.75.210.131/32     3462       Data Communication B
      65021   PRIVATE       203.75.210.132/32     3462       Data Communication B
      65021   PRIVATE       203.75.232.0/27       3462       Data Communication B
      65021   PRIVATE       203.75.232.160/27     3462       Data Communication B
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      Advertised Unregistered Addresses
      ---------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      132.0.0.0/10           568     DISO-UNRRA 
      134.137.0.0/16         400     Headquarters Standard Systems
      135.0.0.0/13         10455     Lucent Technologies 
      137.0.0.0/13           568     DISO-UNRRA 
      138.94.0.0/16            1     BBN Planet 
      144.7.0.0/16           701     UUNET Technologies, Inc. 
      153.34.0.0/15          701     UUNET Technologies, Inc. 
      153.36.0.0/14          701     UUNET Technologies, Inc. 
      154.150.0.0/16        6494     IDCI 
      158.0.0.0/13           568     DISO-UNRRA 
      164.233.0.0/16        6020     DISA NETWORK SERVICES 
      164.235.0.0/16        6025     US DOD NIC Unregistered
      191.9.200.0/24        1290     PSINet UK Ltd.
      201.115.100.0/24      7018     AT&T 
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:5       /10:7       /11:11      /12:37      
      /13:91      /14:230     /15:392     /16:7059    /17:1364    /18:2468    
      /19:7184    /20:6299    /21:4734    /22:7150    /23:8845    /24:59937   
      /25:233     /26:240     /27:150     /28:95      /29:79      /30:72      
      /31:0       /32:14      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1365          2137      UUNET Technologies, Inc. 
       1221     1197          1343      Telstra Pty Ltd
       3967      719           902      Exodus Communication 
        702      706          1089      UUNET Technologies, Inc. 
       8010      698           714      PublicNet Communications, Inc
       7018      584          1121      AT&T 
       3908      534           776      Supernet, Inc. 
        690      530           533      Merit Network 
       7046      523           688      UUNET Technologies, Inc. 
       4323      495           585      Time Warner Communications, I
       1239      444           766      Sprint 
          1      443           869      BBN Planet 
        852      369           580      Telus Advanced Communications
        705      355           472      UUNET Technologies, Inc. 
       2764      353           399      connect.com.au pty ltd
        209      338           512      Qwest 
        703      324           400      UUNET Technologies, Inc. 
       4151      316           363      USDA 
       2149      298           396      Performance Systems, Inc. 
       7474      275           310      Optus Communications Pty Ltd
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         9:1        12:444      13:10       15:2        17:5      
        20:1        24:778      25:1        32:73       38:13       40:4      
        43:1        44:2        52:1        53:2        57:13       61:210    
        62:160      63:1912     64:1483     65:968      66:757      67:23     
        68:10       80:132     128:62      129:110     130:25      131:41     
       132:14      133:2       134:107     135:10      136:47      137:107    
       138:62      139:30      140:103     141:57      142:53      143:43     
       144:57      145:12      146:200     147:94      148:155     149:88     
       150:39      151:37      152:379     153:34      154:8       155:81     
       156:82      157:121     158:70      159:78      160:26      161:54     
       162:85      163:121     164:119     165:103     166:202     167:160    
       168:114     169:47      170:299     171:2       191:1       192:5330   
       193:2054    194:2063    195:853     196:430     198:3703    199:3293   
       200:2410    201:1       202:2854    203:4490    204:3254    205:2178   
       206:2591    207:2625    208:2605    209:2960    210:539     211:152    
       212:882     213:550     214:9       215:17      216:2937    217:395    
       218:12     
      
      End of report
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