[afnog] Weekly Routing Table Report

Routing Table Analysis cscora at thyme.apnic.net
Sat Jun 12 04:06:04 EAT 2004


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

If you have any comments please contact Philip Smith <pfs at cisco.com>.

Routing Table Report   04:00 +10GMT Sat 12 Jun, 2004

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

BGP routing table entries examined:                            140462
    Prefixes after maximum aggregation:                         84998
    Unique aggregates announced to Internet:                    68154
Total ASes present in the Internet Routing Table:               17399
Origin-only ASes present in the Internet Routing Table:         15103
Origin ASes announcing only one prefix:                          7028
Transit ASes present in the Internet Routing Table:              2296
Transit-only ASes present in the Internet Routing Table:           72
Average AS path length visible in the Internet Routing Table:     5.1
    Max AS path length visible:                                    26
Illegal AS announcements present in the Routing Table:              8
Non-routable prefixes present in the Routing Table:                 0
Prefixes being announced from unallocated address space:           19
Number of addresses announced to Internet:                 1312025340
    Equivalent to 78 /8s, 51 /16s and 234 /24s
    Percentage of available address space announced:             35.4
    Percentage of allocated address space announced:             58.1
    Percentage of available address space allocated:             60.9
Total number of prefixes smaller than registry allocations:     64122

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

Prefixes being announced by APNIC Region ASes:                    26841
    Total APNIC prefixes after maximum aggregation:               13922
Prefixes being announced from the APNIC address blocks:           25076
    Unique aggregates announced from the APNIC address blocks:    14019
APNIC Region origin ASes present in the Internet Routing Table:    2064
APNIC Region origin ASes announcing only one prefix:                616
APNIC Region transit ASes present in the Internet Routing Table:    337
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         18
Number of APNIC addresses announced to Internet:              150026240
    Equivalent to 8 /8s, 241 /16s and 56 /24s
    Percentage of available APNIC address space announced:         68.5

APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                       17408 - 18431, 23552 - 24575
APNIC Address Blocks   58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8

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

Prefixes being announced by ARIN Region ASes:                     80606
    Total ARIN prefixes after maximum aggregation:                49793
Prefixes being announced from the ARIN address blocks:            62431
    Unique aggregates announced from the ARIN address blocks:     21967
ARIN Region origin ASes present in the Internet Routing Table:     9241
ARIN Region origin ASes announcing only one prefix:                3287
ARIN Region transit ASes present in the Internet Routing Table:     896
Average ARIN Region AS path length visible:                         4.9
    Max ARIN Region AS path length visible:                          17
Number of ARIN addresses announced to Internet:               225181216
    Equivalent to 13 /8s, 107 /16s and 254 /24s
    Percentage of available ARIN address space announced:          74.6

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, 29695 - 30719
                       31744 - 33791
ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7
                       and 216/8

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

Prefixes being announced by RIPE Region ASes:                     25755
    Total RIPE prefixes after maximum aggregation:                18347
Prefixes being announced from the RIPE address blocks:            22551
    Unique aggregates announced from the RIPE address blocks:     15075
RIPE Region origin ASes present in the Internet Routing Table:     5551
RIPE Region origin ASes announcing only one prefix:                2992
RIPE Region transit ASes present in the Internet Routing Table:     951
Average RIPE Region AS path length visible:                         5.9
    Max RIPE Region AS path length visible:                          26
Number of RIPE addresses announced to Internet:               164243456
    Equivalent to 9 /8s, 202 /16s and 40 /24s
    Percentage of available RIPE address space announced:          57.6

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, 28672 - 29695
                       30720 - 31743
RIPE Address Blocks    62/8, 80/5, 88/8, 188/8, 193/8, 194/7,
                       212/7 and 217/8

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

Prefixes being announced by LACNIC Region ASes:                    6111
    Total LACNIC prefixes after maximum aggregation:               2260
Prefixes being announced from the LACNIC address blocks:           5737
    Unique aggregates announced from the LACNIC address blocks:    3525
LACNIC Region origin ASes present in the Internet Routing Table:    381
LACNIC Region origin ASes announcing only one prefix:               110
LACNIC Region transit ASes present in the Internet Routing Table:    74
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC addresses announced to Internet:              15063808
    Equivalent to 0 /8s, 229 /16s and 219 /24s
    Percentage of available LACNIC address space announced:        44.9

LACNIC AS Blocks       26592 - 26623, 27648 - 28671
LACNIC Address Blocks  200/7

Emerging AfriNIC Region Analysis Summary
----------------------------------------

Prefixes being announced by AfriNIC Region ASes:                   1146
    Total AfriNIC prefixes after maximum aggregation:               676
Prefixes being announced from the AfriNIC address blocks:           781
    Unique aggregates announced from the AfriNIC address blocks:    584
AfriNIC Region origin ASes present in the Internet Routing Table:    90
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      5.3
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              1865728
    Equivalent to 0 /8s, 28 /16s and 120 /24s
    Percentage of available AfriNIC address space announced:       11.1

AfriNIC AS Blocks      <none>
AfriNIC Address Blocks 196/8

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 1221      845       1075         613   Telstra Pty Ltd
 4134      790       3660         144   Data Communications Bureau
 4766      491       2896         264   Korea Internet Exchange for "
 9583      451         34         138   Satyam Infoway Ltd.,
 4755      365        133          53   Videsh Sanchar Nigam Ltd. Aut
 9443      353         69          78   Primus Telecommunications
 2907      352       1841         329   SINET Japan
17676      341       5084          33   XTAGE CORPORATION
  703      329        375         256   UUNET
17557      329         23         165   Pakistan Telecom
 9929      323        156          33   China Netcom Corp.
 2764      294        274         241   connect.com.au pty ltd
 7474      263        267         206   Optus Communications Pty Ltd
 9942      229         71         126   COMindico Australia
 9800      224        367          62   CHINA UNICOM
 9498      217         47          46   BHARTI BT INTERNET LTD.
 4780      210        193          26   Digital United Inc.
17974      184         51          99   PT TELEKOMUNIKASI INDONESIA
 4837      182       2019         105   chinanet IDC center beijing n
10036      181         17         169   C&M Communication Co. Ltd.

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1435       6891         998   AT&T 
  701     1305       8493         930   UUNET Technologies, Inc. 
 1239      941       3002         637   Sprint 
 6347      938        400          98   SAVVIS Communications Corpora
 3356      890      10900         674   Level 3 Communications, LLC 
 4323      737        549         205   Time Warner Communications, I
  209      736       3457         504   Qwest 
18566      710        192           8   Covad Communications 
 6197      703        499         286   BellSouth Network Solutions, 
 6198      572        440         219   BellSouth Network Solutions, 
20115      556        369         287   Charter Communications 
  852      516       1142         405   Telus Advanced Communications
 7843      506        652         128   Adelphia Corp. 
 7132      452       7868         338   Southwestern Bell Internet Se
 2386      431        582         232   AT&T Data Communications Serv
  705      395        144         270   UUNET Technologies, Inc. 
 4355      393        323         103   EarthLink, Inc. 
22909      390        843          25   Comcast Cable Corporation 
  376      385        359         112   Reseau Interordinateurs Scien
22773      385        779          53   Cox Communications, Inc. Atla

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      646       2039         539   UUNET - Commercial IP service
 3320      297       2462         237   Deutsche Telekom AG
 3301      277       1097         266   TeliaNet Sweden
 8220      274        429         262   COLT Internet - International
 1257      251        497         197   SWIPnet Swedish IP Network
  680      244       2025         239   DFN-IP service G-WiN
13083      216         51           8   Mannesmann Datenverarbeitung 
 3246      209        468         206   Song Networks
 5515      199        843         144   Sonera Solution Autonomous Sy
 8708      183        112         171   Romania Data Systems S.A.
  719      179        288         102   LANLINK autonomous system
 3215      178        895          69   France Telecom Transpac
  786      174       1794         174   The JANET IP Service
25186      167        156         116   France Telecom Transpac's Tra
 6746      158         29         127   Dynamic Network Technologies,
 5400      144        206         119   BT Ignite European Backbone
 3269      134       1099          64   TELECOM ITALIA
 3303      132        611         132   Swisscom Ltd
12302      125         18          31   MobiFon S.A.
 8866      120         14           8   Bulgarian Telecommunication C

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
11172      356         96          57   Servicios Alestra S.A de C.V 
 6140      345        140          67   ImpSat
 8151      275        373         130   UniNet S.A. de C.V. 
16814      203         13           7   NSS, S.A. 
 6147      160         82          21   Telefonica Del Peru 
 7303      145         53          31   Telecom Argentina Stet-France
 6505      135         90          93   Global One Communicaoes Ltda 
 6503      130        218          88   AVANTEL, S.A. 
11992       93          9          29   Integrated Systems 
11556       87         57          24   Cable-Wireless Panama 
 6535       80          5          17   Chilesat Servicios  Empresari
14420       76          5          32   ANDINATEL S.A. 
14535       75          6           5   Techtel S.A. 
15311       75         19          37   Telefonica Empresas 
11311       73          7          20   Sinectis S.A. 
 5639       72          8           8   Telecommunications Services o
 4270       71         18           9   Red de Interconexion Universi
14259       67          4           5   GTD Internet S.A. 
10292       65          6          24   TELECOMMUNICATIONS OF JAMAICA
 7080       64          4           1   Electronica y Comunicaciones 

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      253        632         220   The Internet Solution 
 5536      111         16           4   Internet Egypt Network
 2018       94        297          92   Tertiary Education Network 
 2905       89        276          79   The Internetworking Company o
11845       38          9          11   Data Pro Business Online 
24835       31         18           6   RAYA Telecom - Egypt
 9129       27          3           4   UUNET Kenya
 5713       26        125          24   Telkom SA Ltd 
16637       25          9          18   Johnnic e-Ventures 
 6713       24         38           9   Itissalat Al-MAGHRIB
 8524       24          2           7   AUCEGYPT Autonomous System
12455       24          4           2   Jambonet Autonomous system
14988       24         16           1   Botswana Telecommunications C
10798       18          1          12   Standard Bank of South Africa
15706       16          2           3   Sudatel Internet Exchange Aut
12258       15          3          10   Vodacom Internet Company 
 8346       13          6          12   SONATEL-AS Autonomous System
17148       13          1           7   First National Bank 
 2609       12         26           4   Tunisia BackBone AS
15808       12          1           4   Communication Solutions Ltd i

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

  ASN   No of nets  Net Savings Description
 6347       938         840      SAVVIS Communications Corpora
18566       710         702      Covad Communications 
 4134       790         646      Data Communications Bureau
 4323       737         532      Time Warner Communications, I
 6197       703         417      BellSouth Network Solutions, 
 7843       506         378      Adelphia Corp. 
  701      1305         375      UUNET Technologies, Inc. 
 5668       383         366      Century Telephone 
22909       390         365      Comcast Cable Corporation 
27364       376         357      Armstrong Cable Services 
 6198       572         353      BellSouth Network Solutions, 
22773       385         332      Cox Communications, Inc. Atla
 9583       451         313      Satyam Infoway Ltd.,
 4755       365         312      Videsh Sanchar Nigam Ltd. Aut
17676       341         308      XTAGE CORPORATION
 1239       941         304      Sprint 
11172       356         299      Servicios Alestra S.A de C.V 
 4355       393         290      EarthLink, Inc. 
 9929       323         290      China Netcom Corp.
 6140       345         278      ImpSat

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

Bad AS  Designation  Network              Transit AS  Description
18416   UNALLOCATED   61.56.96.0/24         9919       New Century InfoComm
18416   UNALLOCATED   61.56.96.0/20         9919       New Century InfoComm
18416   UNALLOCATED   61.56.97.0/24         9919       New Century InfoComm
18416   UNALLOCATED   61.56.98.0/24         9919       New Century InfoComm
65501   PRIVATE       66.60.187.0/24       14051       Roseville Telephone 
65501   PRIVATE       66.60.188.0/22       14051       Roseville Telephone 
 1877   UNALLOCATED   192.108.199.0/24      1876       Southern Methodist U
18412   UNALLOCATED   211.77.0.0/19         9674       Far EastTone Telecom

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
132.0.0.0/10           568     DISO-UNRRA 
137.0.0.0/13           568     DISO-UNRRA 
156.154.16.0/22       7786     Lockheed Martin IMS 
158.0.0.0/13           568     DISO-UNRRA 
164.234.0.0/18         721     DLA Systems Automation Center
164.234.0.0/16         721     DLA Systems Automation Center
192.43.230.0/24       4738     South Australian Academic Res
192.44.0.0/19          702     UUNET - Commercial IP service
192.70.164.0/24      25689     National Research Council of 
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
192.84.205.0/24        719     LANLINK autonomous system
192.119.135.0/24       270     NASA 
192.135.50.0/24       7018     AT&T 
192.136.79.0/24        719     LANLINK autonomous system
192.172.0.0/19         721     DLA Systems Automation Center
192.172.11.0/24        721     DLA Systems Automation Center

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:19       /9:3       /10:6       /11:15      /12:59      
/13:124     /14:299     /15:518     /16:7856    /17:2058    /18:3620    
/19:9410    /20:9896    /21:7260    /22:10328   /23:11735   /24:76506   
/25:230     /26:252     /27:140     /28:31      /29:14      /30:69      
/31:0       /32:14      

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

  ASN   No of nets  Total ann.   Description
 6347      715           938      SAVVIS Communications Corpora
18566      693           710      Covad Communications 
 7018      554          1435      AT&T 
 6197      534           703      BellSouth Network Solutions, 
 3356      504           890      Level 3 Communications, LLC 
 6198      401           572      BellSouth Network Solutions, 
  702      398           646      UUNET - Commercial IP service
  701      373          1305      UUNET Technologies, Inc. 
 1239      373           941      Sprint 
27364      364           376      Armstrong Cable Services 
 5668      335           383      Century Telephone 
 4766      312           491      Korea Internet Exchange for "
 9583      302           451      Satyam Infoway Ltd.,
20115      295           556      Charter Communications 
 9929      256           323      China Netcom Corp.
14824      255           281      NewSouth Communications Corp.
 3320      247           297      Deutsche Telekom AG
  690      246           282      Merit Network 
25844      244           244      Skadden, Arps, Slate, Meagher
13609      237           278      Choice One Communications Inc

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

   4:3        12:826      13:1        15:5        16:2        17:3      
  20:8        24:749      32:65       33:1        38:70       40:54     
  44:3        55:1        56:3        57:16       61:427      62:501    
  63:1820     64:1965     65:1996     66:2609     67:329      68:497    
  69:557      70:64       80:494      81:309      82:174      83:68     
  84:2       128:145     129:186     130:79      131:177     132:21     
 133:1       134:181     135:17      136:182     137:92      138:154    
 139:44      140:164     141:125     142:117     143:47      144:89     
 145:42      146:303     147:78      148:418     149:120     150:91     
 151:72      152:165     153:64      154:1       155:117     156:60     
 157:60      158:144     159:147     160:52      161:57      162:380    
 163:77      164:179     165:156     166:94      167:217     168:223    
 169:106     170:285     171:8       192:5560    193:2752    194:2026   
 195:1374    196:558     198:3715    199:3095    200:3491    201:8      
 202:4636    203:5603    204:3098    205:2068    206:2283    207:2493   
 208:2227    209:2921    210:1425    211:566     212:977     213:1192   
 214:62      215:30      216:3686    217:927     218:164     219:108    
 220:228     221:28      222:46     

End of report


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