[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Weekly Routing Table Report



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.apnic.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.com>.

Routing Table Report   20:00 +10GMT Fri 01 Mar, 2002

Analysis Summary
----------------

BGP routing table entries examined:                            109166
    Prefixes after maximum aggregation:                         72127
    Unique aggregates announced to Internet:                    51877
Total ASes present in the Internet Routing Table:               12656
Origin-only ASes present in the Internet Routing Table:         10956
Origin ASes announcing only one prefix:                          4788
Transit ASes present in the Internet Routing Table:              1700
Transit-only ASes present in the Internet Routing Table:           57
Average AS path length visible in the Internet Routing Table:     5.4
    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:                 1170537896
    Equivalent to 69 /8s, 196 /16s and 253 /24s
    Percentage of available address space announced:             31.6
    Percentage of allocated address space announced:             59.8
    Percentage of available address space allocated:             52.8
Total number of prefixes smaller than registry allocations:     73032

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                  17792
    Total APNIC prefixes after maximum aggregation:             10648
Prefixes being announced from the APNIC address blocks:         16359
    Unique aggregates announced from the APNIC address blocks:   9952
APNIC Region origin ASes present in the Internet Routing Table:  1456
APNIC Region origin ASes announcing only one prefix:              480
APNIC Region transit ASes present in the Internet Routing Table:  253
Average APNIC Region AS path length visible:                      5.3
    Max APNIC Region AS path length visible:                       15
Number of APNIC addresses announced to Internet:             80235584
    Equivalent to 4 /8s, 200 /16s and 76 /24s
    Percentage of available APNIC address space announced:       59.3

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:                   73100
    Total ARIN prefixes after maximum aggregation:              47396
Prefixes being announced from the ARIN address blocks:          51620
    Unique aggregates announced from the ARIN address blocks:   16248
ARIN Region origin ASes present in the Internet Routing Table:   7494
ARIN Region origin ASes announcing only one prefix:              2343
ARIN Region transit ASes present in the Internet Routing Table:   769
Average ARIN Region AS path length visible:                       5.3
    Max ARIN Region AS path length visible:                        16
Number of ARIN addresses announced to Internet:             190060100
    Equivalent to 11 /8s, 84 /16s and 22 /24s
    Percentage of available ARIN address space announced:        70.8

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:                   18270
    Total RIPE prefixes after maximum aggregation:              14083
Prefixes being announced from the RIPE address blocks:          15001
    Unique aggregates announced from the RIPE address blocks:   10014
RIPE Region origin ASes present in the Internet Routing Table:   3648
RIPE Region origin ASes announcing only one prefix:              1965
RIPE Region transit ASes present in the Internet Routing Table:   665
Average RIPE Region AS path length visible:                       5.9
    Max RIPE Region AS path length visible:                        15
Number of RIPE addresses announced to Internet:             107107488
    Equivalent to 6 /8s, 98 /16s and 84 /24s
    Percentage of available RIPE address space announced:        70.9

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     1298       1229         959   Telstra Pty Ltd
 4538      457       1162          16   China Education and Research 
 2907      408       1975         371   SINET Japan
  703      397        353         307   UUNET Technologies, Inc. 
 2764      385        360         361   connect.com.au pty ltd
 7474      298        289         203   Optus Communications Pty Ltd
 4755      297        111          86   Videsh Sanchar Nigam Ltd. Aut
 4134      270       1874          98   Data Communications Bureau
 9443      270         44          62   Primus Telecommunications
 9394      263        112           3   CHINA RAILWAY Internet(CRNET)
17557      228         15          99   Pakistan Telecom
 4766      211       1393         147   Korea Internet Exchange for "
 4804      148         84          68   Microplex PTY LTD
 9768      147        385          89   Korea Telecom
 9583      142         32           5   Satyam Infoway Ltd.,
 7539      134        215         131   TANet2, sponsored by NSC, TAI
 4713      127        914         104   NTT Communications Corporatio
 7657      122         22          85   The Internet Group Limited
 4780      120        186          40   Digital United Inc.
17676      115       1840          17   XTAGE CORPORATION

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702     1062       2618         856   UUNET Technologies, Inc. 
 3301      397        924         351   TeliaNet Sweden
 3215      259        570         156   France Telecom / &Equant
 1257      244        487         240   SWIPnet Swedish IP Network
  680      231       2147         230   DFN-IP service G-WiN
 5515      217        713         174   Sonera Finland Autonomous Sys
 5400      201         82          93   Concert European Core Network
 3320      195       1964         171   Deutsche Telekom AG
  786      181       1858         181   The JANET IP Service
  719      164        289         119   LANLINK autonomous system
 8708      161         22         147   Romania Data Systems S.A.
 2856      131        790         120   BTnet UK Regional network
 3303      123        577         123   Swisscom Ltd
12302      118          7          36   MobiFon S.A.
 3269      117        693          71   TELECOM ITALIA
 8297      114         40          65   Teleglobe Autonomous System i
  517      100        226          98   KPNQwest Germany GmbH
 2874       95        100          35   Global One Services AB
 5511       89        192          78   France Telecom
 5536       89         13          25   Internet Egypt Network

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     2176       8501        1518   UUNET Technologies, Inc. 
 7018     1202       7492         903   AT&T 
 3908      849       1660         477   Supernet, Inc. 
    1      824       8103         598   BBN Planet 
 1239      801       3364         623   Sprint 
 4323      644        435         257   Time Warner Communications, I
 7046      644        838         421   UUNET Technologies, Inc. 
  852      618       1119         408   Telus Advanced Communications
  209      536       2007         313   Qwest 
 3549      478        844         242   Global Crossing 
 7132      456        511         165   Southwestern Bell Internet Se
 2914      446       2144         413   Verio, Inc. 
  690      439         67         285   Merit Network 
 7843      382        302          48   Adelphia Corp. 
  705      377        117         267   UUNET Technologies, Inc. 
 2149      368        208         306   Performance Systems, Inc. 
 3741      344        731         235   The Internet Solution 
 2386      334        355         191   AT&T Data Communications Serv
 3561      334       2171         299   Cable & Wireless USA 
 6197      326        214         166   BellSouth Network Solutions, 

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 4538       457         441      China Education and Research 
 4323       644         387      Time Warner Communications, I
 3908       849         372      Supernet, Inc. 
 1221      1298         339      Telstra Pty Ltd
 7843       382         334      Adelphia Corp. 
 7018      1202         299      AT&T 
 7132       456         291      Southwestern Bell Internet Se
 4151       306         290      USDA 
 6198       307         274      BellSouth Network Solutions, 
11371       278         272      Rhythms NetConnections 
 9394       263         260      CHINA RAILWAY Internet(CRNET)
 6347       315         237      SAVVIS Communications Corpora
 3549       478         236      Global Crossing 
 7029       244         229      Alltel Information Services, 
    1       824         226      BBN Planet 
 7046       644         223      UUNET Technologies, Inc. 
  209       536         223      Qwest 
 4755       297         211      Videsh Sanchar Nigam Ltd. Aut
  852       618         210      Telus Advanced Communications
 9443       270         208      Primus Telecommunications

List of Unregistered ASNs (Global)
----------------------------------

Bad AS  Designation  Network              Transit AS  Description
 5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
23309   UNALLOCATED   209.79.154.0/23       2150       California State Uni
23309   UNALLOCATED   209.79.156.0/23       2150       California State Uni
23309   UNALLOCATED   209.132.144.0/24      2150       California State Uni
23309   UNALLOCATED   209.232.36.0/22       2150       California State Uni
65534   PRIVATE       209.242.165.32/27      195       San Diego Supercompu
65534   PRIVATE       209.242.166.0/26       195       San Diego Supercompu
65534   PRIVATE       209.242.166.72/29      195       San Diego Supercompu
65534   PRIVATE       209.242.166.80/28      195       San Diego Supercompu

Advertised Unregistered Addresses
---------------------------------

Network            Origin AS  Description
39.0.0.0/8            4554     Exchange Point Blocks 
96.0.0.0/20           3549     Global Crossing 
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
189.186.184.0/24      4471     Michigan Internet Cooperative
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       /9:6       /10:8       /11:12      /12:34      
/13:88      /14:233     /15:404     /16:7167    /17:1377    /18:2530    
/19:7351    /20:6858    /21:4854    /22:7425    /23:9095    /24:60760   
/25:214     /26:257     /27:123     /28:93      /29:93      /30:127     
/31:0       /32:38      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
  701     1410          2176      UUNET Technologies, Inc. 
 1221     1154          1298      Telstra Pty Ltd
  702      685          1062      UUNET Technologies, Inc. 
 7018      623          1202      AT&T 
 3908      588           849      Supernet, Inc. 
 4323      515           644      Time Warner Communications, I
 1239      465           801      Sprint 
 7046      459           644      UUNET Technologies, Inc. 
  690      435           439      Merit Network 
    1      429           824      BBN Planet 
  852      375           618      Telus Advanced Communications
  209      351           536      Qwest 
 2764      341           385      connect.com.au pty ltd
 3549      340           478      Global Crossing 
  703      322           397      UUNET Technologies, Inc. 
  705      322           377      UUNET Technologies, Inc. 
 2149      279           368      Performance Systems, Inc. 
 6197      275           326      BellSouth Network Solutions, 
 7066      273           302      Virginia Polytechnic Institut
11371      272           278      Rhythms NetConnections 

Number of /24s announced per /8 block (Global)
----------------------------------------------

   3:1         9:1        12:489      13:10       15:1        17:5      
  20:2        24:778      25:1        32:68       38:9        40:6      
  44:1        57:15       61:237      62:175      63:1878     64:1130   
  65:1052     66:735      67:49       68:7        80:208      81:4      
 128:62      129:123     130:23      131:56      132:11      133:3      
 134:127     135:10      136:250     137:101     138:143     139:48     
 140:176     141:62      142:82      143:37      144:151     145:13     
 146:217     147:163     148:148     149:91      150:41      151:48     
 152:346     153:31      154:7       155:89      156:75      157:119    
 158:79      159:116     160:23      161:55      162:140     163:117    
 164:91      165:115     166:223     167:184     168:118     169:49     
 170:272     171:2       189:1       192:5425    193:2189    194:2090   
 195:788     196:432     198:3727    199:3233    200:2368    201:1      
 202:3037    203:4533    204:3317    205:2172    206:2515    207:2618   
 208:2562    209:2791    210:550     211:196     212:891     213:571    
 214:9       215:18      216:2949    217:457     218:21     

End of report

-----
This is the afnog mailing list, managed by Majordomo 1.94.5

To send a message to this list, e-mail afnog at afnog.org
To send a request to majordomo, e-mail majordomo at afnog.org and put
your request in the body of the message (i.e use "help" for help)

This list is maintained by owner-afnog at afnog.org