[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 14 21:02:05 EAT 2006


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 15 Jul, 2006

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

BGP routing table entries examined:                              192150
    Prefixes after maximum aggregation:                          105834
    Unique aggregates announced to Internet:                      93950
Total ASes present in the Internet Routing Table:                 22658
Origin-only ASes present in the Internet Routing Table:           19705
Origin ASes announcing only one prefix:                            9458
Transit ASes present in the Internet Routing Table:                2953
Transit-only ASes present in the Internet Routing Table:             67
Average AS path length visible in the Internet Routing Table:       3.5
    Max AS path length visible:                                      27
    Max AS path prepend of ASN (34527)                               16
Prefixes from unregistered ASNs in the Routing Table:                 2
    Unregistered ASNs in the Routing Table:                           2
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1551831208
    Equivalent to 92 /8s, 127 /16s and 16 /24s
    Percentage of available address space announced:               41.9
    Percentage of allocated address space announced:               60.6
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:       94909

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

Prefixes being announced by APNIC Region ASes:                    41543
    Total APNIC prefixes after maximum aggregation:               17091
Prefixes being announced from the APNIC address blocks:           39251
    Unique aggregates announced from the APNIC address blocks:    18426
APNIC Region origin ASes present in the Internet Routing Table:    2626
APNIC Region origin ASes announcing only one prefix:                746
APNIC Region transit ASes present in the Internet Routing Table:    396
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         17
Number of APNIC addresses announced to Internet:              239166816
    Equivalent to 14 /8s, 65 /16s and 101 /24s
    Percentage of available APNIC address space announced:         74.8

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911
APNIC Address Blocks   58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
                       210/7, 218/7, 220/7 and 222/8

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

Prefixes being announced by ARIN Region ASes:                     97783
    Total ARIN prefixes after maximum aggregation:                58246
Prefixes being announced from the ARIN address blocks:            71546
    Unique aggregates announced from the ARIN address blocks:     27005
ARIN Region origin ASes present in the Internet Routing Table:    10836
ARIN Region origin ASes announcing only one prefix:                4082
ARIN Region transit ASes present in the Internet Routing Table:    1006
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          19
Number of ARIN addresses announced to Internet:               295972608
    Equivalent to 17 /8s, 164 /16s and 47 /24s
    Percentage of available ARIN address space announced:          76.7

ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  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, 29696-30719, 31744-33791
                       35840-36863, 39936-40959
ARIN Address Blocks    24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
                       208/7 and 216/8

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

Prefixes being announced by RIPE Region ASes:                     38589
    Total RIPE prefixes after maximum aggregation:                25860
Prefixes being announced from the RIPE address blocks:            35657
    Unique aggregates announced from the RIPE address blocks:     24048
RIPE Region origin ASes present in the Internet Routing Table:     8263
RIPE Region origin ASes announcing only one prefix:                4348
RIPE Region transit ASes present in the Internet Routing Table:    1359
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          27
Number of RIPE addresses announced to Internet:               260092740
    Equivalent to 15 /8s, 128 /16s and 179 /24s
    Percentage of available RIPE address space announced:          81.6

RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-41983
RIPE Address Blocks    62/8, 80/5, 88/6, 193/8, 194/7, 212/7
                       and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   11962
    Total LACNIC prefixes after maximum aggregation:               3745
Prefixes being announced from the LACNIC address blocks:          10024
    Unique aggregates announced from the LACNIC address blocks:    5664
LACNIC Region origin ASes present in the Internet Routing Table:    707
LACNIC Region origin ASes announcing only one prefix:               237
LACNIC Region transit ASes present in the Internet Routing Table:   131
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC addresses announced to Internet:              31094272
    Equivalent to 1 /8s, 218 /16s and 118 /24s
    Percentage of available LACNIC address space announced:        46.3

LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks  189/8, 190/8, 200/7

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

Prefixes being announced by AfriNIC Region ASes:                   2271
    Total AfriNIC prefixes after maximum aggregation:               892
Prefixes being announced from the AfriNIC address blocks:          1527
    Unique aggregates announced from the AfriNIC address blocks:    956
AfriNIC Region origin ASes present in the Internet Routing Table:   159
AfriNIC Region origin ASes announcing only one prefix:               45
AfriNIC Region transit ASes present in the Internet Routing Table:   26
Average AfriNIC Region AS path length visible:                      3.4
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC addresses announced to Internet:              4184832
    Equivalent to 0 /8s, 63 /16s and 219 /24s
    Percentage of available AfriNIC address space announced:       12.5

AfriNIC AS Blocks      36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4134     1243       7528         233   CHINANET-BACKBONE
 4755      967        257          74   Videsh Sanchar Nigam Ltd. Aut
 9583      914        109          15   Sify Limited
 9498      765        211          70   BHARTI BT INTERNET LTD.
 4766      689       4435         303   Korea Telecom (KIX)
 1221      610       1779         468   Telstra Pty Ltd
 7545      551        124          74   TPG Internet Pty Ltd
17488      519         32          17   Hathway IP Over Cable Interne
17676      490       7093         110   Softbank BB Corp.
 9443      452        111          83   Primus Telecommunications
18101      425         85          23   Reliance Infocom Ltd Internet
17974      406        129          14   PT TELEKOMUNIKASI INDONESIA
17849      396         28         123   Telecommunications Technology
17557      382         30         172   Pakistan Telecom
 4802      379         81         168   Wantree Development
 2907      336       1733         311   SINET Japan
 9929      298        244          56   China Netcom Corp.
 7474      295        211         229   SingTel Optus Pty Ltd
 4837      288       3196         128   chinanet IDC center beijing n
10139      280         19           5   Meridian Telekoms

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1466       6246         941   AT&T WorldNet Services
  721     1022      21934         309   DLA Systems Automation Center
 6197     1012        635         478   BellSouth Network Solutions, 
 4323      966        746         271   Time Warner Telecom
  174      959       5769         891   Cogent Communications
18566      946        272           8   Covad Communications 
  701      942       6753         777   UUNET Technologies, Inc. 
 2386      923        558         711   AT&T Data Communications Serv
 1239      855       2786         605   Sprint 
19262      722       2188         190   Verizon Global Networks 
20115      716        621         382   Charter Communications 
  209      695       3663         548   Qwest 
22773      674       1741          40   Cox Communications, Inc.
11492      657         89          11   Cable One 
 7011      648        218         412   Citizens Utilities 
 6198      598        568         236   BellSouth Network Solutions, 
  852      582       1084         381   Telus Advanced Communications
  855      573        247          74   Canadian Research Network 
19916      563         49          54   OLM LLC 
 5668      533        147          23   CenturyTel Internet Holdings,

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      564       1932         443   UUNET - Commercial IP service
 3301      316       1187         301   TeliaNet Sweden
 3352      305       1639          33   Ibernet, Internet Access Netw
 8220      279        471         265   COLT Telecommunications
 3320      278       5012         234   Deutsche Telekom AG
  680      246       2041         243   DFN-IP service G-WiN
 6746      237         90         212   Dynamic Network Technologies,
 3246      230        463         220   Song Networks
24863      216         42          11   LINKdotNET AS number
 8708      211        275         200   Romania Data Systems S.A.
 8551      209        198          29   Bezeq International
30890      206         18          80   SC Kappa Invexim SRL
 3215      204       1760          97   France Telecom Transpac
 3269      201       2182          72   TELECOM ITALIA
 1257      194        741         166   SWIPnet Swedish IP Network
 8866      189         37          15   Bulgarian Telecommunication C
 6830      175        813          37   UPC Distribution Services
 3300      169        171          97   AUCS Communications Services 
  786      168       1762         168   The JANET IP Service
 5400      160        352         142   BT Ignite European Backbone

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      698       1771         227   UniNet S.A. de C.V. 
22047      432        206          11   VTR PUNTO NET S.A. 
11172      358        113          85   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
 6147      267        134          22   Telefonica Del Peru 
 6471      252         74          28   ENTEL CHILE S.A. 
14117      211         13           7   Telefonica del Sur S.A. 
 6503      181        151          82   AVANTEL, S.A. 
 7303      181         84          29   Telecom Argentina Stet-France
10481      181         72           8   Prima S.A. 
21826      133         17          22   INTERCABLE 
11556      132         80           4   Cable-Wireless Panama 
19429      131         84          45   E.T.B. 
14522      129         18           9   SatNet S.A. 
19169      129          8          26   Telconet 
14259      119         10          15   GTD Internet S.A. 
23216      113         21           9   RAMtelecom Telecomunicaciones
 5639      109         12           9   Telecommunications Services o
 6505      109         88          79   Global One Communicaoes Ltda 
14420      108          7          23   ANDINATEL S.A. 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      284        803         231   The Internet Solution 
 8452      169         60           7   TEDATA
 6713      150        135          11   Itissalat Al-MAGHRIB
 2018      131        314         105   Tertiary Education Network 
15475      124         84           4   Nile Online
 5536      123          8          15   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      105          6           2   EEPAD TISP TELECOM & INTERNET
 2905       69        139          60   The Internetworking Company o
20928       60         16           3   Noor Advanced Technologies AS
15706       44          8           3   Sudatel Internet Exchange Aut
 5713       39        294          35   Telkom SA Ltd 
33774       31          7          21   AS Number for Telecom Algeria
16637       25         18          23   Johnnic e-Ventures 
23889       24          8          11   MAURITIUS TELECOM
10798       23          1          14   Standard Bank of South Africa
 8524       22          1           5   AUCEGYPT Autonomous System
33766       21          2           1   Nyala Communications Pty Ltd 
12455       20          6           3   Jambonet Autonomous system
21491       20         17           2   UTL On-line is RF broadband I

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

  ASN   No of nets  Net Savings Description
 4134      1243        1010      CHINANET-BACKBONE
18566       946         938      Covad Communications 
 9583       914         899      Sify Limited
 4755       967         893      Videsh Sanchar Nigam Ltd. Aut
  721      1022         713      DLA Systems Automation Center
 4323       966         695      Time Warner Telecom
 9498       765         695      BHARTI BT INTERNET LTD.
11492       657         646      Cable One 
22773       674         634      Cox Communications, Inc.
 6197      1012         534      BellSouth Network Solutions, 
19262       722         532      Verizon Global Networks 
 5668       533         510      CenturyTel Internet Holdings,
19916       563         509      OLM LLC 
17488       519         502      Hathway IP Over Cable Interne
  855       573         499      Canadian Research Network 
 7545       551         477      TPG Internet Pty Ltd
 8151       698         471      UniNet S.A. de C.V. 
 3602       525         421      Sprint Canada, Inc. 
22047       432         421      VTR PUNTO NET S.A. 
15270       444         411      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65128   PRIVATE       193.110.50.0/24      24652       Juniper Networks, Eu
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
198.18.1.0/24         3301     TeliaNet Sweden

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

Network            Origin AS  Description
132.0.0.0/10           721     DLA Systems Automation Center
137.0.0.0/13           721     DLA Systems Automation Center
158.0.0.0/13           721     DLA Systems Automation Center
183.206.196.0/24      2188     FR-RENATER-ASTER
192.44.0.0/24         5501     Fraunhofer Gesellschaft
192.44.0.0/19          702     UUNET - Commercial IP service
192.70.164.0/24      25689     National Research Council of 
192.84.205.0/24        719     LANLINK autonomous system
192.172.0.0/19         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        /8:17       /9:9       /10:11      /11:28      /12:95      
/13:202     /14:369     /15:723     /16:8901    /17:3306    /18:5430    
/19:11880   /20:13503   /21:11776   /22:14903   /23:16068   /24:103805  
/25:382     /26:298     /27:176     /28:65      /29:78      /30:79      
/31:0       /32:46      

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

  ASN   No of nets  Total ann.   Description
18566      929           946      Covad Communications 
 6197      792          1012      BellSouth Network Solutions, 
 7018      775          1466      AT&T WorldNet Services
 9583      744           914      Sify Limited
11492      645           657      Cable One 
 2386      634           923      AT&T Data Communications Serv
19916      557           563      OLM LLC 
 7011      556           648      Citizens Utilities 
 4766      500           689      Korea Telecom (KIX)
  855      447           573      Canadian Research Network 
 6198      440           598      BellSouth Network Solutions, 
 9498      429           765      BHARTI BT INTERNET LTD.
 5668      416           533      CenturyTel Internet Holdings,
15270      413           444      PaeTec.net -a division of Pae
 1239      398           855      Sprint 
17849      390           396      Telecommunications Technology
 4755      382           967      Videsh Sanchar Nigam Ltd. Aut
 6517      375           409      Yipes Communications, Inc. 
18101      356           425      Reliance Infocom Ltd Internet
22773      355           674      Cox Communications, Inc.

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

   4:9         8:43       11:1        12:1612     13:1        15:15     
  16:3        17:3        18:4        20:41       24:778      25:1      
  32:58       38:234      40:54       41:7        44:3        47:6      
  52:4        55:1        56:3        57:23       58:192      59:248    
  60:196      61:860      62:810      63:1888     64:3076     65:2243   
  66:2946     67:624      68:671      69:1546     70:389      71:86     
  72:816      74:56       75:1        80:768      81:665      82:638    
  83:393      84:384      85:569      86:409      87:404      88:114    
  89:339     121:3       122:3       123:1       124:275     125:552    
 128:151     129:184     130:119     131:313     132:34      133:8      
 134:159     135:48      136:178     137:82      138:206     139:51     
 140:488     141:135     142:383     143:170     144:230     145:40     
 146:305     147:137     148:344     149:191     150:113     151:96     
 152:70      153:107     154:5       155:205     156:186     157:143    
 158:166     159:172     160:91      161:76      162:246     163:160    
 164:242     165:222     166:174     167:244     168:497     169:125    
 170:353     171:14      183:1       190:88      192:5722    193:3355   
 194:2654    195:1960    196:854     198:3965    199:3289    200:4631   
 201:965     202:6750    203:7090    204:3894    205:2046    206:2407   
 207:2921    208:2190    209:3401    210:2064    211:711     212:1241   
 213:1483    214:363     215:41      216:4005    217:1183    218:297    
 219:228     220:734     221:351     222:189    

End of report



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