[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, 1 Feb 2002 20:04:44 +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 01 Feb, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            108457
          Prefixes after maximum aggregation:                         71918
          Unique aggregates announced to Internet:                    52438
      Total ASes present in the Internet Routing Table:               12486
      Origin-only ASes present in the Internet Routing Table:         10804
      Origin ASes announcing only one prefix:                          4714
      Transit ASes present in the Internet Routing Table:              1682
      Transit-only ASes present in the Internet Routing Table:           67
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    20
      Illegal AS announcements present in the Routing Table:             25
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    14
      Number of addresses announced to Internet:                 1164012552
          Equivalent to 69 /8s, 97 /16s and 108 /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:     72499
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  17434
          Total APNIC prefixes after maximum aggregation:             10639
      Prefixes being announced from the APNIC address blocks:         15936
          Unique aggregates announced from the APNIC address blocks:   9832
      APNIC Region origin ASes present in the Internet Routing Table:  1444
      APNIC Region origin ASes announcing only one prefix:              478
      APNIC Region transit ASes present in the Internet Routing Table:  256
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             79095360
          Equivalent to 4 /8s, 182 /16s and 230 /24s
          Percentage of available APNIC address space announced:       58.5
      
      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:                   72959
          Total ARIN prefixes after maximum aggregation:              47259
      Prefixes being announced from the ARIN address blocks:          51142
          Unique aggregates announced from the ARIN address blocks:   17096
      ARIN Region origin ASes present in the Internet Routing Table:   7375
      ARIN Region origin ASes announcing only one prefix:              2287
      ARIN Region transit ASes present in the Internet Routing Table:   755
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        20
      Number of ARIN addresses announced to Internet:             185367620
          Equivalent to 11 /8s, 12 /16s and 124 /24s
          Percentage of available ARIN address space announced:        69.1
      
      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:                   18063
          Total RIPE prefixes after maximum aggregation:              14020
      Prefixes being announced from the RIPE address blocks:          14842
          Unique aggregates announced from the RIPE address blocks:    9839
      RIPE Region origin ASes present in the Internet Routing Table:   3599
      RIPE Region origin ASes announcing only one prefix:              1949
      RIPE Region transit ASes present in the Internet Routing Table:   655
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             106567936
          Equivalent to 6 /8s, 90 /16s and 25 /24s
          Percentage of available RIPE address space announced:        70.6
      
      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
      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     1334       1260         974   Telstra Pty Ltd
       4538      451       1162          16   China Education and Research 
        703      396        367         298   UUNET Technologies, Inc. 
       2907      395       1893         364   SINET Japan
       2764      393        362         369   connect.com.au pty ltd
       9394      323        112           3   CHINA RAILWAY Internet(CRNET)
       7474      300        286         204   Optus Communications Pty Ltd
       4755      297        111          85   Videsh Sanchar Nigam Ltd. Aut
       4134      268       1858         100   Data Communications Bureau
       4766      206       1393         145   Korea Internet Exchange for "
      17557      199         15          87   Pakistan Telecom
       7539      162        236         155   TANet2, sponsored by NSC, TAI
       9443      160         44          59   Primus Telecommunications
       9768      145        385          88   Korea Telecom
       4740      142         34         116   OzEmail ISP
       9583      137         32           5   Satyam Infoway Ltd.,
       7657      119         21          82   The Internet Group Limited
       4713      116        898         102   NTT Communications Corporatio
       4780      116        186          40   Digital United Inc.
      17676      113       1808          20   XTAGE CORPORATION
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1110       2621         861   UUNET Technologies, Inc. 
       3301      405        924         358   TeliaNet Sweden
       1257      253        487         249   SWIPnet Swedish IP Network
       3215      238        562         152   France Telecom / &Equant
        680      233       2148         231   DFN-IP service G-WiN
       5515      218        705         175   Sonera Finland Autonomous Sys
       5400      198         82          95   Concert European Core Network
       3320      195       1964         171   Deutsche Telekom AG
        786      182       1874         182   The JANET IP Service
        719      165        289         119   LANLINK autonomous system
       8708      153         21         141   Romania Data Systems S.A.
       2856      131        790         120   BTnet UK Regional network
       3303      124        575         124   Swisscom Ltd
       3269      118        695          72   TELECOM ITALIA
       8297      117         40          66   Teleglobe Autonomous System i
      12302      116          7          37   MobiFon S.A.
        517      103        227         101   KPNQwest Germany GmbH
       5603       95         13          60   SiOL Internet d.o.o.
       5511       93        192          82   France Telecom
       1267       92       1471          42   Infostrada S.p.A.
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2079       8317        1499   UUNET Technologies, Inc. 
       7018     1742       7523         979   AT&T 
          1      837       8153         610   BBN Planet 
       3908      811       1678         473   Supernet, Inc. 
       1239      781       3213         607   Sprint 
       7046      627        833         412   UUNET Technologies, Inc. 
       4323      612        430         222   Time Warner Communications, I
        852      565        978         366   Telus Advanced Communications
        209      522       1876         298   Qwest 
        690      493         72         308   Merit Network 
       2914      454       2197         423   Verio, Inc. 
       7132      452        504         162   Southwestern Bell Internet Se
       3549      425        819         215   Global Crossing 
        705      404        111         281   UUNET Technologies, Inc. 
       2386      388        361         236   AT&T Data Communications Serv
       2149      386        209         323   Performance Systems, Inc. 
       3561      377       2222         330   Cable & Wireless USA 
        577      347        604         217   Bell Advanced Communications 
       3741      347        731         240   The Internet Solution 
       4151      336        704          16   USDA 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7018      1742         763      AT&T 
       4538       451         435      China Education and Research 
       4323       612         390      Time Warner Communications, I
       1221      1334         360      Telstra Pty Ltd
       3908       811         338      Supernet, Inc. 
       4151       336         320      USDA 
       9394       323         320      CHINA RAILWAY Internet(CRNET)
       7132       452         290      Southwestern Bell Internet Se
      11371       278         271      Rhythms NetConnections 
        702      1110         249      UUNET Technologies, Inc. 
       6347       309         230      SAVVIS Communications Corpora
          1       837         227      BBN Planet 
        209       522         224      Qwest 
       7843       263         223      Adelphia Corp. 
       7046       627         215      UUNET Technologies, Inc. 
       4755       297         212      Videsh Sanchar Nigam Ltd. Aut
       3549       425         210      Global Crossing 
       4355       235         204      EarthLink, Inc. 
        852       565         199      Telus Advanced Communications
       1580       208         199      HQ, 5th Signal Command 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      23103   UNALLOCATED   12.147.166.0/24       7018       AT&T 
      22790   UNALLOCATED   64.29.112.0/20        6467       E.Spire Communicatio
      23109   UNALLOCATED   64.241.52.0/24       10910       InterNAP Network Ser
      23125   UNALLOCATED   65.192.95.0/24        1239       Sprint 
      23089   UNALLOCATED   65.215.97.0/24           1       BBN Planet 
      65400   PRIVATE       66.7.130.0/24         6517       Yipes Communications
      21468   UNALLOCATED   80.243.224.0/23       6739       Cableuropa - ONO
      21450   UNALLOCATED   80.246.128.0/20       8584       Barak AS
      24578   UNALLOCATED   81.16.0.0/20         21414       Autonomous System of
      23098   UNALLOCATED   144.9.72.0/24        12179       InterNAP Network Ser
      23098   UNALLOCATED   144.9.73.0/24        12179       InterNAP Network Ser
       2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp. 
      24581   UNALLOCATED   193.110.116.0/22       702       UUNET Technologies, 
      24610   UNALLOCATED   193.110.124.0/22     15497       Colocall Autonomous 
      21464   UNALLOCATED   193.129.168.0/24       702       UUNET Technologies, 
      24617   UNALLOCATED   195.29.168.0/24       5391       HT, HiNet
      22784   UNALLOCATED   198.31.101.0/24      19116       airBand Communicatio
      22629   UNALLOCATED   199.96.16.0/21        8057       Vision Net, Inc. 
      22629   UNALLOCATED   199.96.24.0/22        8057       Vision Net, Inc. 
      22336   UNALLOCATED   205.242.9.0/24         701       UUNET Technologies, 
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      22793   UNALLOCATED   207.53.145.0/24      19120       ARGIA 
      21193   UNALLOCATED   213.176.160.0/19      8903       BT Tel AS 1
      22763   UNALLOCATED   216.23.254.0/23       1239       Sprint 
      17939   UNALLOCATED   218.216.32.0/19       2497       IIJ
      
      Advertised Unregistered Addresses
      ---------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      126.0.0.0/8           7336     Compass Communications 
      132.0.0.0/10           568     DISO-UNRRA 
      134.137.0.0/16        7170     AT&T Government Markets 
      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. 
      153.36.0.0/14          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
      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        /8:18       /9:6       /10:7       /11:12      /12:37      
      /13:90      /14:233     /15:392     /16:7144    /17:1423    /18:2488    
      /19:7326    /20:6683    /21:4807    /22:7296    /23:8953    /24:60546   
      /25:218     /26:281     /27:127     /28:101     /29:98      /30:133     
      /31:0       /32:38      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1328          2079      UUNET Technologies, Inc. 
       1221     1185          1334      Telstra Pty Ltd
       7018     1150          1742      AT&T 
        702      734          1110      UUNET Technologies, Inc. 
       3908      562           811      Supernet, Inc. 
       4323      497           612      Time Warner Communications, I
        690      489           493      Merit Network 
       1239      459           781      Sprint 
       7046      456           627      UUNET Technologies, Inc. 
          1      431           837      BBN Planet 
        852      349           565      Telus Advanced Communications
       2764      349           393      connect.com.au pty ltd
        209      344           522      Qwest 
        705      343           404      UUNET Technologies, Inc. 
        703      316           396      UUNET Technologies, Inc. 
       2386      312           388      AT&T Data Communications Serv
       9394      311           323      CHINA RAILWAY Internet(CRNET)
       3549      294           425      Global Crossing 
       2149      291           386      Performance Systems, Inc. 
       4151      290           336      USDA 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         9:1        12:731      13:10       15:1        17:5      
        20:4        24:687      25:1        32:180      38:12       40:6      
        44:1        57:14       61:215      62:162      63:1874     64:1092   
        65:1007     66:617      67:32       68:5        80:168      81:4      
       128:61      129:124     130:23      131:52      132:11      133:2      
       134:127     135:10      136:240     137:105     138:145     139:46     
       140:162     141:61      142:65      143:39      144:151     145:12     
       146:214     147:137     148:144     149:87      150:39      151:43     
       152:371     153:34      154:8       155:82      156:77      157:124    
       158:74      159:87      160:26      161:54      162:96      163:114    
       164:94      165:125     166:227     167:163     168:117     169:47     
       170:289     171:4       192:5433    193:2214    194:2037    195:814    
       196:446     198:3738    199:3289    200:2325    201:1       202:2904   
       203:4519    204:3304    205:2146    206:2595    207:2603    208:2580   
       209:2884    210:516     211:171     212:896     213:592     214:9      
       215:18      216:2926    217:431     218:10     
      
      End of report
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