[rtma] [apops] Weekly Routing Table Report

Routing Table Analysis cscora at thyme.apnic.net
Fri Jan 10 05:05:23 EST 2003


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 10 Jan, 2003

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

BGP routing table entries examined:                            119562
    Prefixes after maximum aggregation:                         76333
    Unique aggregates announced to Internet:                    57232
Total ASes present in the Internet Routing Table:               14363
Origin-only ASes present in the Internet Routing Table:         12481
Origin ASes announcing only one prefix:                          5634
Transit ASes present in the Internet Routing Table:              1882
Transit-only ASes present in the Internet Routing Table:           58
Average AS path length visible in the Internet Routing Table:     5.3
    Max AS path length visible:                                    17
Illegal AS announcements present in the Routing Table:              6
Non-routable prefixes present in the Routing Table:                 0
Prefixes being announced from the IANA Reserved Address blocks:    30
Number of addresses announced to Internet:                 1189329433
    Equivalent to 70 /8s, 227 /16s and 186 /24s
    Percentage of available address space announced:             32.1
    Percentage of allocated address space announced:             58.8
    Percentage of available address space allocated:             54.6
Total number of prefixes smaller than registry allocations:     55593

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

Prefixes being announced by APNIC Region ASes:                  19898
    Total APNIC prefixes after maximum aggregation:             11826
Prefixes being announced from the APNIC address blocks:         18392
    Unique aggregates announced from the APNIC address blocks:  11315
APNIC Region origin ASes present in the Internet Routing Table:  1701
APNIC Region origin ASes announcing only one prefix:              521
APNIC Region transit ASes present in the Internet Routing Table:  287
Average APNIC Region AS path length visible:                      5.3
    Max APNIC Region AS path length visible:                       12
Number of APNIC addresses announced to Internet:            103667104
    Equivalent to 6 /8s, 45 /16s and 213 /24s
    Percentage of available APNIC address space announced:       68.2

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 220/7

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                   74017
    Total ARIN prefixes after maximum aggregation:              47100
Prefixes being announced from the ARIN address blocks:          51775
    Unique aggregates announced from the ARIN address blocks:   15921
ARIN Region origin ASes present in the Internet Routing Table:   8042
ARIN Region origin ASes announcing only one prefix:              2729
ARIN Region transit ASes present in the Internet Routing Table:   752
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        17
Number of ARIN addresses announced to Internet:             184777200
    Equivalent to 11 /8s, 3 /16s and 121 /24s
    Percentage of available ARIN address space announced:        68.8

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
                       25600 - 26591, 26624 - 27647
ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
                       and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                   20509
    Total RIPE prefixes after maximum aggregation:              15227
Prefixes being announced from the RIPE address blocks:          17100
    Unique aggregates announced from the RIPE address blocks:   11374
RIPE Region origin ASes present in the Internet Routing Table:   4242
RIPE Region origin ASes announcing only one prefix:              2304
RIPE Region transit ASes present in the Internet Routing Table:   767
Average RIPE Region AS path length visible:                       5.7
    Max RIPE Region AS path length visible:                        14
Number of RIPE addresses announced to Internet:             121964416
    Equivalent to 7 /8s, 69 /16s and 7 /24s
    Percentage of available RIPE address space announced:        80.8

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
RIPE Address Blocks    62/8, 80/7, 82/8, 193/8, 194/7, 212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                  5134
    Total LACNIC prefixes after maximum aggregation:             2180
Prefixes being announced from the LACNIC address blocks:         4479
    Unique aggregates announced from the LACNIC address blocks:  2938
LACNIC Region origin ASes present in the Internet Routing Table:  323
LACNIC Region origin ASes announcing only one prefix:              80
LACNIC Region transit ASes present in the Internet Routing Table:  68
Average LACNIC Region AS path length visible:                     5.7
    Max LACNIC Region AS path length visible:                      11
Number of LACNIC addresses announced to Internet:            11856896
    Equivalent to 0 /8s, 180 /16s and 236 /24s
    Percentage of available LACNIC address space announced:      70.7

LACNIC AS Blocks       26592 - 26623, 27648 - 28671
LACNIC Address Blocks  200/8

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 1221     1137       1185         837   Telstra Pty Ltd
  703      398        364         314   UUNET
 2907      357       1768         334   SINET Japan
 2764      339        341         308   connect.com.au pty ltd
17557      323         23         128   Pakistan Telecom
 4755      321        128          80   Videsh Sanchar Nigam Ltd. Aut
 7474      313        281         205   Optus Communications Pty Ltd
 4134      290       2408          90   Data Communications Bureau
 4814      251         79          15   China Telecom (Group)
 3786      235        772         204   DACOM Corporation
17676      231       3618          24   XTAGE CORPORATION
 4766      200       2075         149   Korea Internet Exchange for "
 9583      190         33          12   Satyam Infoway Ltd.,
 9443      187         57          77   Primus Telecommunications
 9800      165        203          42   CHINA UNICOM
 7713      153         46          16   PT TELEKOMUNIKASI INDONESIA
 4716      129        722         123   TTnet
 9768      129        384          64   Korea Telecom
 7657      124         26          87   The Internet Group Limited
 4739      121         56         111   Commerical Internet eXchange 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     1623       9047        1197   UUNET Technologies, Inc. 
 7018     1474       7854         970   AT&T 
 3908     1189       1635         499   Supernet, Inc. 
 1239      971       3145         679   Sprint 
    1      664       8076         437   GENUITY 
 7843      629        407         268   Adelphia Corp. 
  852      628       1124         445   Telus Advanced Communications
 7046      554        841         263   UUNET Technologies, Inc. 
 4323      527        488         168   Time Warner Communications, I
  209      520       2118         329   Qwest 
  690      513         75         319   Merit Network 
 7066      489        204         252   Virginia Polytechnic Institut
 6197      458        561         104   BellSouth Network Solutions, 
  705      428        133         187   UUNET Technologies, Inc. 
18566      422         96           5   Covad Communications 
 6198      420        182         196   BellSouth Network Solutions, 
 4355      406        313         118   EarthLink, Inc. 
 3549      404        709         297   Global Crossing 
 3561      394       2211         323   Cable & Wireless USA 
15290      393        215         175   AT&T Canada IES 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      807       2290         670   UUNET - Commercial IP service
 3301      342       1141         298   TeliaNet Sweden
 3215      315        819         175   France Telecom Transpac
 3320      258       1996         230   Deutsche Telekom AG
  680      237       2150         234   DFN-IP service G-WiN
 5515      213        783         174   Sonera Solution Autonomous Sy
 1257      212        416         201   SWIPnet Swedish IP Network
  719      200        306         129   LANLINK autonomous system
  786      176       1873         176   The JANET IP Service
 5400      160         68          97   BT Ignite European Backbone
 8708      157         42         146   Romania Data Systems S.A.
20858      148         17           4   This AS will be used to conne
 3303      144        517         143   Swisscom Ltd
 2856      129       1302         117   BTnet UK Regional network
 8220      124        174         114   COLT Internet - International
12302      123         18          30   MobiFon S.A.
 3246      118        378         115   Song Networks
 3269      112        754          63   TELECOM ITALIA
 5511      106        193          83   France Telecom
 3233      104         10           8   RNC - Romanian Natioanal R&D 

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 6140      314         98         104   ImpSat USA, Inc. 
 7303      225         36          52   Telecom Argentina Stet-France
 8151      208        332         113   UniNet S.A. de C.V. 
11172      175         87          34   Servicios Alestra S.A de C.V 
 6503      154        191         106   AVANTEL, S.A. 
16814      140          9          14   NSS, S.A. 
13999      127         36           8   Mega Cable S.A. de C.V. 
10620       98          6          32   TVCABLE BOGOTA 
11340       80          2          31   Red Universitaria Nacional 
 6147       77         58          20   Telefonica Del Peru 
 1916       74        306          44   Fundacao de Amparo a Pesquisa
 6535       72          5          16   Chilesat Servicios  Empresari
15311       72         27          37   Telefonica Empresas 
11992       68          7          31   Integrated Systems 
 8065       67          6          14   Empresas Publicas de Medellin
 4270       66         18          10   Red de Interconexion Universi
 7984       62         11          40   Global One Colombia 
15034       58          5          33   TIBA SA 
 4926       57          4          47   Telintar S.A. 
 7927       57          5          40   Global One Venezuela 

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

  ASN   No of nets  Net Savings Description
 3908      1189         690      Supernet, Inc. 
 7018      1474         504      AT&T 
18566       422         417      Covad Communications 
 7843       629         361      Adelphia Corp. 
 4323       527         359      Time Warner Communications, I
 6197       458         354      BellSouth Network Solutions, 
 1580       314         301      ANOSCEUR 
 1221      1137         300      Telstra Pty Ltd
 1239       971         292      Sprint 
 7046       554         291      UUNET Technologies, Inc. 
 6347       370         291      SAVVIS Communications Corpora
 4355       406         288      EarthLink, Inc. 
11492       287         286      Cable One 
 4151       329         271      USDA 
22927       289         267      TELEFONICA DE ARGENTINA 
  705       428         241      UUNET Technologies, Inc. 
  376       346         241      Reseau Interordinateurs Scien
 4755       321         241      Videsh Sanchar Nigam Ltd. Aut
 7066       489         237      Virginia Polytechnic Institut
 4814       251         236      China Telecom (Group)

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

Bad AS  Designation  Network              Transit AS  Description
64516   PRIVATE       137.164.227.0/24      2150       California State Uni
64516   PRIVATE       137.164.228.0/22      2150       California State Uni
 1877   UNALLOCATED   192.108.199.0/24      1880       Stupi, house man's p
65535   PRIVATE       202.57.188.0/24       7654       Siam Global Access C
 5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
64513   PRIVATE       207.212.206.0/23      2151       California State Uni

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

Network            Origin AS  Description
39.0.0.0/8            4554     Exchange Point Blocks 
132.0.0.0/10           568     DISO-UNRRA 
135.0.0.0/13         10455     Lucent Technologies 
137.0.0.0/13           568     DISO-UNRRA 
158.0.0.0/13           568     DISO-UNRRA 
158.255.3.0/24         702     UUNET - Commercial IP service
178.54.59.0/24        7018     AT&T 
192.31.242.0/24        771     NASA Ames Research Center 
192.44.0.0/19          702     UUNET - Commercial IP service
192.68.128.0/22       1239     Sprint 
192.72.0.0/18         4780     Digital United Inc.
192.72.0.0/16         4780     Digital United Inc.
192.83.16.0/20        5515     Sonera Solution Autonomous Sy
192.83.32.0/19        5515     Sonera Solution Autonomous Sy
192.83.96.0/22        5515     Sonera Solution Autonomous Sy
192.83.100.0/24       5515     Sonera Solution Autonomous Sy
192.119.135.0/24       270     NASA 
192.135.50.0/24       7018     AT&T 
192.136.79.0/24        719     LANLINK autonomous system
192.136.86.0/24        719     LANLINK autonomous system
192.136.87.0/24        719     LANLINK autonomous system
192.136.88.0/24        719     LANLINK autonomous system
192.139.62.0/24       6539     GT Group Telecom Services Cor
192.140.0.0/16        5511     France Telecom
192.153.136.0/21       568     DISO-UNRRA 
192.156.164.0/24     19548     Adelphia Business Solutions 
192.172.0.0/19         568     DISO-UNRRA 
192.208.29.0/24       3908     Supernet, Inc. 
192.208.30.0/23       3908     Supernet, Inc. 
192.243.36.0/23       2044     AUSNet, Inc. 

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:17       /9:3       /10:8       /11:13      /12:45      
/13:92      /14:241     /15:439     /16:7311    /17:1556    /18:2819    
/19:8014    /20:7785    /21:5612    /22:8527    /23:10254   /24:66133   
/25:139     /26:175     /27:91      /28:78      /29:64      /30:107     
/31:0       /32:39      

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

  ASN   No of nets  Total ann.   Description
 3908      757          1189      Supernet, Inc. 
 7018      501          1474      AT&T 
  702      495           807      UUNET - Commercial IP service
  690      462           513      Merit Network 
  701      435          1623      UUNET Technologies, Inc. 
18566      417           422      Covad Communications 
 7843      404           629      Adelphia Corp. 
 7066      388           489      Virginia Polytechnic Institut
 1239      359           971      Sprint 
 6198      336           420      BellSouth Network Solutions, 
 6197      335           458      BellSouth Network Solutions, 
 6140      302           314      ImpSat USA, Inc. 
 1580      300           314      ANOSCEUR 
22927      288           289      TELEFONICA DE ARGENTINA 
11492      286           287      Cable One 
 7046      244           554      UUNET Technologies, Inc. 
 3215      241           315      France Telecom Transpac
20115      230           343      Charter Communications 
 4355      224           406      EarthLink, Inc. 
 7303      224           225      Telecom Argentina Stet-France

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

  12:620      13:1        15:6        17:3        20:5        24:783    
  25:1        32:43       38:36       40:18       44:1        55:1      
  57:16       61:422      62:442      63:1858     64:1364     65:1784   
  66:1359     67:199      68:221      69:43       80:324      81:81     
 128:123     129:182     130:23      131:70      132:9       133:4      
 134:154     135:6       136:491     137:110     138:209     139:84     
 140:182     141:102     142:95      143:44      144:147     145:18     
 146:253     147:249     148:278     149:77      150:43      151:90     
 152:291     153:37      154:7       155:103     156:47      157:61     
 158:120     159:138     160:24      161:64      162:145     163:85     
 164:259     165:136     166:80      167:302     168:389     169:57     
 170:288     171:8       178:1       192:5404    193:2394    194:2006   
 195:916     196:456     198:3581    199:3065    200:2787    202:3601   
 203:4924    204:3002    205:2106    206:2361    207:2417    208:2626   
 209:2685    210:666     211:315     212:892     213:745     214:12     
 215:22      216:3155    217:562     218:70      219:16      220:31     


End of report
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