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[bgp-stats] Routing Table Report



*  BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report   29 Oct, 2001

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

BGP routing table entries examined:                            109591
Origin ASes present in the Internet Routing Table:              11932
Origin ASes announcing only one prefix:                          4406
Transit ASes present in the Internet Routing Table:              1584
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:             98
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:                 1272201473
    Equivalent to 75 /8s, 212 /16s and 65 /24s
    Percentage of available address space announced:             34.3
    Percentage of allocated address space announced:             65.5
    Percentage of available address space allocated:             52.4
Total number of prefixes smaller than registry allocations:     74674

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

Prefixes being announced by APNIC Region ASes:                  16984
Prefixes being announced from the APNIC address blocks:         15503
APNIC Region origin ASes present in the Internet Routing Table:  1385
APNIC Region origin ASes announcing only one prefix:              455
APNIC Region transit ASes present in the Internet Routing Table:  239
Average APNIC Region AS path length visible:                      5.1
    Max APNIC Region AS path length visible:                       14
Number of APNIC addresses announced to Internet:             83428053
    Equivalent to 4 /8s, 249 /16s and 2 /24s
    Percentage of available APNIC address space announced:       70.4

APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                       17408 - 18431, 23552 - 24575
APNIC Address Blocks   61/8, 202/7, 210/7 and 218/7

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

Prefixes being announced by ARIN Region ASes:                   74621
Prefixes being announced from the ARIN address blocks:          53394
ARIN Region origin ASes present in the Internet Routing Table:   7174
ARIN Region origin ASes announcing only one prefix:              2143
ARIN Region transit ASes present in the Internet Routing Table:   741
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        17
Number of ARIN addresses announced to Internet:             219584005
    Equivalent to 13 /8s, 22 /16s and 150 /24s
    Percentage of available ARIN address space announced:        81.8

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:                   17985
Prefixes being announced from the RIPE address blocks:          14411
RIPE Region origin ASes present in the Internet Routing Table:   3397
RIPE Region origin ASes announcing only one prefix:              1808
RIPE Region transit ASes present in the Internet Routing Table:   605
Average RIPE Region AS path length visible:                       5.9
    Max RIPE Region AS path length visible:                        15
Number of RIPE addresses announced to Internet:             126196505
    Equivalent to 7 /8s, 133 /16s and 155 /24s
    Percentage of available RIPE address space announced:        83.6

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
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     1562       1305       Telstra Pty Ltd
 2764      408        359       connect.com.au pty ltd
  703      377        362       UUNET Technologies, Inc. 
 2907      374       1865       SINET Japan
 4755      298        163       Videsh Sanchar Nigam Ltd. Aut
 7474      294        274       Optus Communications Pty Ltd
17676      264        827       XTAGE CORPORATION
 4134      254       1902       Data Communications Bureau
 4766      188       1467       Korea Internet Exchange for "
 4740      173         26       OzEmail ISP
 9443      162         52       Primus Telecommunications
 7539      161        173       TANet2, sponsored by NSC, TAI
 1659      159       1221       Taiwan Academic Network (TANe
17557      140          9       Pakistan Telecom
 2521      138        171       PSINet Japan
 4812      132        298       China Telecom (Group)
 9768      131        363       Korea Telecom
 9583      125         53       Satyam Infoway Ltd.,
 4786      123         14       NetConnect Communications Pty
 4763      121         69       Telstra New Zealand

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

  ASN   No of nets  /20 equiv  Description
  702      936       1927       UUNET Technologies, Inc. 
 3301      435        950       TeliaNet Sweden
 1257      273        516       SWIPnet Swedish IP Network
  680      241       2309       DFN-IP service G-WiN
 3215      236        539       France Telecom / &Equant
 5515      195        688       Sonera Finland Autonomous Sys
 3320      193       1941       Deutsche Telekom AG
  786      184       1890       The JANET IP Service
 8708      163         17       Romania Data Systems S.A.
 5495      159          3       University Network
15870      140         10       Global Center Frankfurt
 5400      139         64       Concert European Core Network
  719      133        289       LANLINK autonomous system
 3303      130        560       Swisscom Ltd
 2856      129        776       BTnet UK Regional network
 1270      126        724       UUNET Germany
 5549      124         82       Nextra Deutschland GmbH + Co.
15878      115          9       Global Center Paris
  517      112        252       KPNQwest Germany GmbH
12302      109          7       MobiFon S.A.

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

  ASN   No of nets  /20 equiv  Description
  701     2276       9097       UUNET Technologies, Inc. 
 3908     1174       1675       Supernet, Inc. 
 7018     1095       7326       AT&T 
 7046      867       1024       UUNET Technologies, Inc. 
    1      854       8543       BBN Planet 
 1239      738       3244       Sprint 
 3967      675        469       Exodus Communication 
  209      582       2239       Qwest 
  690      507         75       Merit Network 
 2914      473       2265       Verio, Inc. 
 4293      446        112       Cable & Wireless USA 
 2149      426        330       Performance Systems, Inc. 
 4323      408        374       Time Warner Communications, I
 3561      396       2318       Cable & Wireless USA 
 3549      374        859       Global Crossing 
  577      354        620       Bell Advanced Communications 
  705      348         63       UUNET Technologies, Inc. 
 3741      342        757       The Internet Solution 
15290      339        339       AT&T Canada IES 
 5102      337         90       Ameritech Advanced Data Servi

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

  ASN   No of nets  /20 equiv  Description
  701     2276       9097       UUNET Technologies, Inc. 
 1221     1562       1305       Telstra Pty Ltd
 3908     1174       1675       Supernet, Inc. 
 7018     1095       7326       AT&T 
  702      936       1927       UUNET Technologies, Inc. 
 7046      867       1024       UUNET Technologies, Inc. 
    1      854       8543       BBN Planet 
 1239      738       3244       Sprint 
 3967      675        469       Exodus Communication 
  209      582       2239       Qwest 
  690      507         75       Merit Network 
 2914      473       2265       Verio, Inc. 
 4293      446        112       Cable & Wireless USA 
 3301      435        950       TeliaNet Sweden
 2149      426        330       Performance Systems, Inc. 
 2764      408        359       connect.com.au pty ltd
 4323      408        374       Time Warner Communications, I
 3561      396       2318       Cable & Wireless USA 
  703      377        362       UUNET Technologies, Inc. 
 2907      374       1865       SINET Japan

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

Bad AS  Designation  Network              Transit AS  Description
22190   UNALLOCATED   12.24.96.0/24         7018       AT&T 
22396   UNALLOCATED   12.148.245.0/24      16441       Intellispace Inc. 
 6971   UNALLOCATED   64.42.0.0/18          2516       Kokusai Denshin Denw
 6971   UNALLOCATED   64.42.0.0/17          2516       Kokusai Denshin Denw
 6971   UNALLOCATED   64.42.16.0/20         2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.32.0/21         2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.40.0/21         2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.48.0/21         2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.56.0/22         2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.60.0/22         2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.64.0/21         2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.72.0/21         2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.80.0/21         2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.104.0/22        2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.108.0/22        2914       Verio, Inc. 
 6971   UNALLOCATED   64.42.112.0/20        2914       Verio, Inc. 
 6971   UNALLOCATED   64.87.64.0/19         2516       Kokusai Denshin Denw
22141   UNALLOCATED   64.113.208.0/23      19029       New Edge Networks 
22151   UNALLOCATED   65.115.37.0/24        5696       WINSTAR 
22141   UNALLOCATED   65.208.24.0/22       19029       New Edge Networks 
22141   UNALLOCATED   65.208.26.0/23         701       UUNET Technologies, 
 6971   UNALLOCATED   66.182.0.0/18         2516       Kokusai Denshin Denw
21279   UNALLOCATED   80.240.128.0/20       1755       Ebone Transit Core
 2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp. 
22149   UNALLOCATED   157.245.0.0/20        7018       AT&T 
22466   UNALLOCATED   192.43.219.0/24        174       PSINet Inc. 
 6971   UNALLOCATED   192.103.229.0/24      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   192.103.230.0/23      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   192.103.232.0/22      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   192.103.236.0/23      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   192.103.237.0/24      2516       Kokusai Denshin Denw
22388   UNALLOCATED   192.203.116.0/24     11537       University Corporati
22466   UNALLOCATED   192.231.172.0/24       174       PSINet Inc. 
21239   UNALLOCATED   193.109.126.0/24       702       UUNET Technologies, 
21279   UNALLOCATED   194.6.165.0/24        1755       Ebone Transit Core
21279   UNALLOCATED   194.209.81.0/24       1755       Ebone Transit Core
21279   UNALLOCATED   195.65.102.0/24       1755       Ebone Transit Core
22466   UNALLOCATED   199.43.117.0/24        174       PSINet Inc. 
22466   UNALLOCATED   199.85.107.0/24        174       PSINet Inc. 
22466   UNALLOCATED   199.164.129.0/24       174       PSINet Inc. 
 6971   UNALLOCATED   199.249.223.0/24      2516       Kokusai Denshin Denw
22080   UNALLOCATED   200.81.94.0/23       13591       MetroRED Telecomunic
65000   PRIVATE       203.21.200.0/24       1221       Telstra Pty Ltd
 6971   UNALLOCATED   206.58.248.0/22       2516       Kokusai Denshin Denw
 6971   UNALLOCATED   206.58.248.0/21       2516       Kokusai Denshin Denw
 6971   UNALLOCATED   206.58.252.0/23       2914       Verio, Inc. 
 6971   UNALLOCATED   206.58.254.0/23       2914       Verio, Inc. 
22373   UNALLOCATED   207.2.176.0/24        3561       Cable & Wireless USA
 5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
22463   UNALLOCATED   208.3.198.0/24       21687       Hudson Valley DataNe
22463   UNALLOCATED   208.3.199.0/24       21687       Hudson Valley DataNe
22463   UNALLOCATED   208.28.232.0/24      21687       Hudson Valley DataNe
22463   UNALLOCATED   208.28.236.0/24      21687       Hudson Valley DataNe
21271   UNALLOCATED   208.154.200.0/24     11300       Lyman Brothers 
21271   UNALLOCATED   208.154.201.0/24     11300       Lyman Brothers 
22397   UNALLOCATED   208.236.202.0/24       174       PSINet Inc. 
22475   UNALLOCATED   208.253.52.0/23        174       PSINet Inc. 
22164   UNALLOCATED   216.51.170.0/24       1239       Sprint 
22466   UNALLOCATED   216.57.6.0/23        15290       AT&T Canada IES 
22466   UNALLOCATED   216.57.12.0/23       15290       AT&T Canada IES 
22466   UNALLOCATED   216.57.20.0/22       15290       AT&T Canada IES 
22466   UNALLOCATED   216.57.56.0/22       15290       AT&T Canada IES 
 6971   UNALLOCATED   216.105.192.0/20      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   216.121.224.0/19      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   216.174.192.0/21      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   216.174.192.0/18      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   216.174.200.0/23      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   216.174.200.0/21      2914       Verio, Inc. 
 6971   UNALLOCATED   216.174.208.0/20      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   216.174.232.0/21      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.128.0/18      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   216.210.128.0/17      2516       Kokusai Denshin Denw
 6971   UNALLOCATED   216.210.140.0/22      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.160.0/21      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.176.0/21      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.184.0/22      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.200.0/22      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.216.0/22      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.220.0/22      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.224.0/21      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.232.0/22      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.236.0/22      2914       Verio, Inc. 
 6971   UNALLOCATED   216.210.240.0/20      2914       Verio, Inc. 
 6971   UNALLOCATED   216.229.96.0/20       2516       Kokusai Denshin Denw
21271   UNALLOCATED   217.64.97.0/24       11300       Lyman Brothers 
21271   UNALLOCATED   217.64.98.0/24       11300       Lyman Brothers 
21271   UNALLOCATED   217.64.99.0/24       11300       Lyman Brothers 
21271   UNALLOCATED   217.64.100.0/24      11300       Lyman Brothers 
21271   UNALLOCATED   217.64.102.0/24      11300       Lyman Brothers 
21271   UNALLOCATED   217.64.103.0/24      11300       Lyman Brothers 
21271   UNALLOCATED   217.64.106.0/24      11300       Lyman Brothers 
21271   UNALLOCATED   217.64.108.0/24      11300       Lyman Brothers 
 4837   UNALLOCATED   218.30.0.0/22         4134       Data Communications 
 4816   UNALLOCATED   218.30.8.0/22         4134       Data Communications 
 4837   UNALLOCATED   218.30.16.0/24        4134       Data Communications 
 4815   UNALLOCATED   218.30.17.0/24        4134       Data Communications 
 4816   UNALLOCATED   218.30.18.0/24        4134       Data Communications 
17696   UNALLOCATED   218.40.160.0/19       4713       NTT Communications C

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

Network            Origin AS  Description
39.0.0.0/8            4554     Exchange Point Blocks 
128.65.0.0/16         3463     ACES Research Inc 
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
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       /11:12      /12:35      
/13:90      /14:224     /15:388     /16:7017    /17:1316    /18:2441    
/19:7067    /20:6025    /21:4831    /22:7195    /23:9396    /24:61702   
/25:339     /26:343     /27:286     /28:305     /29:165     /30:195     
/31:1       /32:187     

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

  ASN   No of nets  Total ann.   Description
  701     1458          2276      UUNET Technologies, Inc. 
 1221     1417          1562      Telstra Pty Ltd
 3908      891          1174      Supernet, Inc. 
 7046      688           867      UUNET Technologies, Inc. 
  702      635           936      UUNET Technologies, Inc. 
 7018      568          1095      AT&T 
  690      504           507      Merit Network 
 3967      501           675      Exodus Communication 
 4293      431           446      Cable & Wireless USA 
    1      412           854      BBN Planet 
 1239      412           738      Sprint 
  209      410           582      Qwest 
 2764      363           408      connect.com.au pty ltd
 4323      345           408      Time Warner Communications, I
 5102      324           337      Ameritech Advanced Data Servi
  703      308           377      UUNET Technologies, Inc. 
 2149      301           426      Performance Systems, Inc. 
  705      297           348      UUNET Technologies, Inc. 
11371      296           307      Rhythms NetConnections 
 7066      268           298      Virginia Polytechnic Institut

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

   4:5         9:1        12:427      13:10       15:1        17:5      
  20:1        24:819      25:1        26:1        32:75       38:13     
  43:2        44:2        47:2        52:1        53:2        57:12     
  61:104      62:153      63:1962     64:1351     65:885      66:515    
  67:3        80:74      128:53      129:111     130:25      131:47     
 132:13      133:2       134:132     135:8       136:106     137:105    
 138:194     139:51      140:203     141:58      142:63      143:39     
 144:145     145:13      146:231     147:129     148:219     149:86     
 150:42      151:190     152:382     153:51      154:21      155:84     
 156:93      157:111     158:72      159:70      160:46      161:60     
 162:72      163:154     164:117     165:127     166:208     167:153    
 168:123     169:45      170:263     171:2       192:5426    193:2024   
 194:2051    195:844     196:458     198:3809    199:3433    200:2466   
 201:1       202:2853    203:4547    204:3388    205:2204    206:2849   
 207:2597    208:3045    209:3121    210:623     211:153     212:897    
 213:526     214:9       215:17      216:2990    217:420     218:5      


End of report
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