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[bgp-stats] Routing Table Report



*  BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report   16 Jul, 2001

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

BGP routing table entries examined:                            104535
Origin ASes present in the Internet Routing Table:              11279
Origin ASes announcing only one prefix:                          4131
Transit ASes present in the Internet Routing Table:              1498
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:             15
Non-routable prefixes present in the Routing Table:                 0
Prefixes being announced from the IANA Reserved Address blocks:    16
Number of addresses announced to Internet:                 1242255919
    Equivalent to 74 /8s, 11 /16s and 82 /24s
    Percentage of available address space announced:             33.5
    Percentage of allocated address space announced:             65.1
    Percentage of available address space allocated:             51.5
Total number of prefixes smaller than registry allocations:     71069

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

Prefixes being announced by APNIC Region ASes:                  15481
Prefixes being announced from the APNIC address blocks:         13954
APNIC Region origin ASes present in the Internet Routing Table:  1318
APNIC Region origin ASes announcing only one prefix:              459
APNIC Region transit ASes present in the Internet Routing Table:  225
Average APNIC Region AS path length visible:                      5.1
    Max APNIC Region AS path length visible:                       16
Number of APNIC addresses announced to Internet:             74001638
    Equivalent to 4 /8s, 105 /16s and 44 /24s
    Percentage of available APNIC address space announced:       72.8

APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431
APNIC Address Blocks   61/8, 202/7, 210/7 and 218/8

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

Prefixes being announced by ARIN Region ASes:                   71718
Prefixes being announced from the ARIN address blocks:          51558
ARIN Region origin ASes present in the Internet Routing Table:   6798
ARIN Region origin ASes announcing only one prefix:              2003
ARIN Region transit ASes present in the Internet Routing Table:   701
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        13
Number of ARIN addresses announced to Internet:             201947960
    Equivalent to 12 /8s, 9 /16s and 123 /24s
    Percentage of available ARIN address space announced:        80.2

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 - 22527
ARIN Address Blocks    24/8, 63/8, 64/6, 199/8, 200/8, 204/6,
                       208/7 and 216/8

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

Prefixes being announced by RIPE Region ASes:                   17335
Prefixes being announced from the RIPE address blocks:          13402
RIPE Region origin ASes present in the Internet Routing Table:   3172
RIPE Region origin ASes announcing only one prefix:              1669
RIPE Region transit ASes present in the Internet Routing Table:   572
Average RIPE Region AS path length visible:                       5.8
    Max RIPE Region AS path length visible:                        15
Number of RIPE addresses announced to Internet:             101334045
    Equivalent to 6 /8s, 10 /16s and 60 /24s
    Percentage of available RIPE address space announced:        67.1

RIPE AS Blocks         1877 - 1901, 2042, 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  Description
 1221     1671       1330       Telstra
 2764      430        345       connect.com.au pty ltd
  703      402        383       UUNET Technologies, Inc.
 2907      366       1783       SINET Japan
 4755      296        167       VSNL India
 7474      242        293       Optus Communications
 4134      233       1609       Data Communications Bureau
 7539      192        162       TANet2, sponsored by NSC, TAI
 4766      177       1344       KORnet Powered BY Korea Telec
 7545      146         21       TPG Internet Pty Ltd
 9443      138         39       INTERNETPRIMUS-AS-A
 4786      130         17       NetConnect Communications Pty
 4763      118         69       Telstra New Zealand
 9583      118         61       Satyam Infoway Ltd.,
17561      115        151       Internet service provision to
 7657      113         22       The Internet Group Limited
 4740      109         15       Ozemail
 4713      107        869       NTT-OCNET
 7586      107         17       Paradox Digital Pty. Ltd
 4812      106        259       Shanghai Telecom Company

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

  ASN   No of nets  /20 equiv  Description
  702      671       1831       UUNET Technologies, Inc.
 3301      430        918       TeliaNet Sweden
15870      425         12       Global Center Frankfurt
 1257      279        504       Swipnet AB
 1270      249        868       UUNET Germany
  680      232       2069       Deutschef Forschurgsnetz
 3215      220        495       RAIN
15878      206          8       Global Center Paris
  719      188        291       LANLINK
  786      183       1890       JANET IP Service
 5515      174        654       Sonera Finland
 3320      169       1410       Deutsche Telekom AG
 8708      148         15       Romania Data System
 5400      139         68       Concert Internet Plus Europea
 3303      130        575       Swisscom
  517      125        272       Xlink
 2856      123        776       BTnet UK Regional network
 5549      117         66       Seicom Computer Gmb
 8503      107          3       PCNET - PCNET DATA Network
 1267      106       1986       IUnet S.p.A

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

  ASN   No of nets  /20 equiv  Description
  701     2314       8327       UUNET Technologies, Inc.
 7018      961       7035       AT&T
    1      900       8698       BBN Planet
 7046      750       1088       UUNET Technologies, Inc.
 1239      671       3309       Sprint ICM-Inria
  690      540         95       Merit Network
 2914      520       2317       Verio, Inc.
 4293      492         99       Cable & Wireless USA
  209      490       1875       Qwest
 3561      430       2450       Cable & Wireless USA
 3908      417        583       Supernet, Inc.
 2149      415        377       Performance Systems, Inc.
 2548      415       1012       Digital Express Group, Inc.
18994      405         10       Global Crossing 
 3549      350        813       Global Crossing
11371      337        100       Rhythms NetConnections
 4323      333        298       Time Warner Communications, I
 3967      330        448       Exodus Communication
15290      319        342       AT&T Canada IES 
18993      314          8       Global Crossing 

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /20 equiv  Description
  701     2314       8327       UUNET Technologies, Inc.
 1221     1671       1330       Telstra
 7018      961       7035       AT&T
    1      900       8698       BBN Planet
 7046      750       1088       UUNET Technologies, Inc.
  702      671       1831       UUNET Technologies, Inc.
 1239      671       3309       Sprint ICM-Inria
  690      540         95       Merit Network
 2914      520       2317       Verio, Inc.
 4293      492         99       Cable & Wireless USA
  209      490       1875       Qwest
 2764      430        345       connect.com.au pty ltd
 3301      430        918       TeliaNet Sweden
 3561      430       2450       Cable & Wireless USA
15870      425         12       Global Center Frankfurt
 3908      417        583       Supernet, Inc.
 2149      415        377       Performance Systems, Inc.
 2548      415       1012       Digital Express Group, Inc.
18994      405         10       Global Crossing 
  703      402        383       UUNET Technologies, Inc.

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

Bad AS  Designation  Network              Transit AS  Description
  578   UNALLOCATED   64.230.242.0/28        577       Bell Canada
  578   UNALLOCATED   64.230.242.16/28       577       Bell Canada
 2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp.
 1877   UNALLOCATED   192.108.196.0/24      1800       SPRINT
 1877   UNALLOCATED   192.108.209.0/24      1880       Stupi, house man's 
 1877   UNALLOCATED   192.108.210.0/24      1880       Stupi, house man's 
 1877   UNALLOCATED   192.108.214.0/24      1800       SPRINT
19062   UNALLOCATED   192.197.96.0/20       1691       BCTEL Advanced Commu
 5757   UNALLOCATED   192.239.13.0/24        701       UUNET Technologies, 
 4834   UNALLOCATED   202.74.192.0/20       4648       NZIX 2
17657   UNALLOCATED   202.161.160.0/20      9653       AGNS HongKong NET
 4831   UNALLOCATED   202.172.32.0/20       9740       Cable & Wireless Net
19551   UNALLOCATED   204.229.224.0/22      6226       US West Communicatio
 5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
65515   PRIVATE       212.110.142.0/24      5593       CRIS-AS

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

Network            Origin AS  Description
99.0.0.0/8            9638     National Agricultural Coopera
128.65.0.0/16         3463     ACES Research Inc
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.
153.34.0.0/15          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     US DOD NIC Unregistered
172.32.1.0/25         1221     Telstra
172.122.0.0/16         701     UUNET Technologies, Inc.
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        /8:20       /9:5       /10:6       /11:9       /12:33      
/13:80      /14:215     /15:356     /16:6904    /17:1188    /18:2230    
/19:6743    /20:5399    /21:4517    /22:6838    /23:8664    /24:59009   
/25:293     /26:365     /27:437     /28:447     /29:361     /30:338     
/31:1       /32:77      

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

  ASN   No of nets  Total ann.   Description
 1221     1516          1671      Telstra
  701     1455          2314      UUNET Technologies, Inc.
 7046      585           750      UUNET Technologies, Inc.
  690      536           540      Merit Network
 4293      476           492      Cable & Wireless USA
 7018      476           961      AT&T
    1      422           900      BBN Planet
  702      422           671      UUNET Technologies, Inc.
15870      421           425      Global Center Frankfurt
18994      403           405      Global Crossing 
 2764      386           430      connect.com.au pty ltd
  209      367           490      Qwest
 1239      358           671      Sprint ICM-Inria
  703      332           402      UUNET Technologies, Inc.
11371      324           337      Rhythms NetConnections
 3908      315           417      Supernet, Inc.
18993      310           314      Global Crossing 
 2548      304           415      Digital Express Group, Inc.
 4323      286           333      Time Warner Communications, I
 6995      276           290      Bell Atlantic Internet Soluti

Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------

   4:1         6:12        9:6        12:574      13:13       15:11     
  17:13       20:6        24:845      26:1        32:42       35:1      
  38:154      40:2        43:4        44:11       45:1        47:40     
  52:2        53:4        55:1        56:5        57:15       61:118    
  62:194      63:2520     64:2737     65:999      66:749      80:40     
 128:61      129:197     130:54      131:67      132:39      133:1      
 134:228     135:11      136:36      137:178     138:233     139:86     
 140:236     141:225     142:122     143:98      144:200     145:32     
 146:198     147:180     148:236     149:135     150:63      151:264    
 152:1048    153:40      154:25      155:146     156:91      157:156    
 158:110     159:82      160:85      161:146     162:158     163:219    
 164:169     165:247     166:258     167:153     168:200     169:54     
 170:441     171:20      172:1       192:32      193:2597    194:2741   
 195:1069    196:3       198:6       199:3864    200:2731    202:3744   
 203:5756    204:4362    205:2895    206:4114    207:3646    208:5198   
 209:4078    210:774     211:294     212:1149    213:686     216:4742   
 217:436     218:3      

End of report
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