[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 6 18:02:25 UTC 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

For historical data, please see http://thyme.apnic.net.

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

Routing Table Report   04:00 +10GMT Sat 07 Oct, 2006

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

BGP routing table entries examined:                              199851
    Prefixes after maximum aggregation:                          108601
    Unique aggregates announced to Internet:                      96840
Total ASes present in the Internet Routing Table:                 23299
Origin-only ASes present in the Internet Routing Table:           20299
Origin ASes announcing only one prefix:                            9754
Transit ASes present in the Internet Routing Table:                3000
Transit-only ASes present in the Internet Routing Table:             74
Average AS path length visible in the Internet Routing Table:       3.5
    Max AS path length visible:                                      29
    Max AS path prepend of ASN (36728)                               27
Prefixes from unregistered ASNs in the Routing Table:                 4
    Unregistered ASNs in the Routing Table:                           4
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:             10
Number of addresses announced to Internet:                   1595783692
    Equivalent to 95 /8s, 29 /16s and 186 /24s
    Percentage of available address space announced:               43.1
    Percentage of allocated address space announced:               59.5
    Percentage of available address space allocated:               72.3
Total number of prefixes smaller than registry allocations:      100213

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

Prefixes being announced by APNIC Region ASes:                    43780
    Total APNIC prefixes after maximum aggregation:               17524
Prefixes being announced from the APNIC address blocks:           41432
    Unique aggregates announced from the APNIC address blocks:    18422
APNIC Region origin ASes present in the Internet Routing Table:    2706
APNIC Region origin ASes announcing only one prefix:                752
APNIC Region transit ASes present in the Internet Routing Table:    405
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         16
Number of APNIC addresses announced to Internet:              262826848
    Equivalent to 15 /8s, 170 /16s and 107 /24s
    Percentage of available APNIC address space announced:         82.2

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:                    100562
    Total ARIN prefixes after maximum aggregation:                59481
Prefixes being announced from the ARIN address blocks:            73893
    Unique aggregates announced from the ARIN address blocks:     27924
ARIN Region origin ASes present in the Internet Routing Table:    11040
ARIN Region origin ASes announcing only one prefix:                4206
ARIN Region transit ASes present in the Internet Routing Table:    1021
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               303936768
    Equivalent to 18 /8s, 29 /16s and 181 /24s
    Percentage of available ARIN address space announced:          67.1

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, 96/6, 199/8, 204/6,
                       208/7 and 216/8

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

Prefixes being announced by RIPE Region ASes:                     40684
    Total RIPE prefixes after maximum aggregation:                26837
Prefixes being announced from the RIPE address blocks:            37609
    Unique aggregates announced from the RIPE address blocks:     25070
RIPE Region origin ASes present in the Internet Routing Table:     8585
RIPE Region origin ASes announcing only one prefix:                4503
RIPE Region transit ASes present in the Internet Routing Table:    1392
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          18
Number of RIPE addresses announced to Internet:               266816164
    Equivalent to 15 /8s, 231 /16s and 74 /24s
    Percentage of available RIPE address space announced:          72.3

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, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
                       212/7 and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   12489
    Total LACNIC prefixes after maximum aggregation:               3835
Prefixes being announced from the LACNIC address blocks:          10506
    Unique aggregates announced from the LACNIC address blocks:    6205
LACNIC Region origin ASes present in the Internet Routing Table:    730
LACNIC Region origin ASes announcing only one prefix:               246
LACNIC Region transit ASes present in the Internet Routing Table:   126
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              32977664
    Equivalent to 1 /8s, 247 /16s and 51 /24s
    Percentage of available LACNIC address space announced:        49.1

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:                   2332
    Total AfriNIC prefixes after maximum aggregation:               924
Prefixes being announced from the AfriNIC address blocks:          1648
    Unique aggregates announced from the AfriNIC address blocks:   1085
AfriNIC Region origin ASes present in the Internet Routing Table:   164
AfriNIC Region origin ASes announcing only one prefix:               47
AfriNIC Region transit ASes present in the Internet Routing Table:   27
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              4294656
    Equivalent to 0 /8s, 65 /16s and 136 /24s
    Percentage of available AfriNIC address space announced:       12.8

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     1241       8174         236   CHINANET-BACKBONE
 4755     1002        255          66   Videsh Sanchar Nigam Ltd. Aut
 9583      960        109          22   Sify Limited
 9498      858        212          72   BHARTI BT INTERNET LTD.
 4766      741       4436         307   Korea Telecom (KIX)
 1221      607       1780         465   Telstra Pty Ltd
 7545      540        124          74   TPG Internet Pty Ltd
17488      534         33          12   Hathway IP Over Cable Interne
17676      499      10933          63   Softbank BB Corp.
18101      458         85          18   Reliance Infocom Ltd Internet
 9443      454        111          74   Primus Telecommunications
 9942      427         77         127   COMindico Australia
17849      424         31         127   Telecommunications Technology
 4802      413         86         150   Wantree Development
 4812      410        741          63   China Telecom (Shanghai)
17974      368        129          12   PT TELEKOMUNIKASI INDONESIA
17557      361         30         176   Pakistan Telecom
 2907      336       1734         312   SINET Japan
 4837      324       3556         140   chinanet IDC center beijing n
10139      324         23           6   Meridian Telekoms

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1520       6225         982   AT&T WorldNet Services
 2386     1168        610         742   AT&T Data Communications Serv
 4323     1025        783         293   Time Warner Telecom
 6197     1023        643         480   BellSouth Network Solutions, 
  174      967       6824         892   Cogent Communications
18566      966        272           8   Covad Communications 
  721      959      21909         305   DLA Systems Automation Center
  701      952       6742         781   UUNET Technologies, Inc. 
 1239      834       2763         589   Sprint 
11492      752         90          13   Cable One 
19262      749       2372         189   Verizon Global Networks 
20115      748        672         389   Charter Communications 
22773      713       1744          46   Cox Communications, Inc.
  209      705       3630         553   Qwest 
 7011      674        209         427   Citizens Utilities 
 6478      590       1272         384   AT&T Worldnet Services 
  852      589       1070         387   Telus Advanced Communications
19916      565         49          54   OLM LLC 
  855      543        250          74   Canadian Research Network 
 5668      538        145          18   CenturyTel Internet Holdings,

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      546       1929         425   UUNET - Commercial IP service
 3301      310       1184         294   TeliaNet Sweden
 3320      299       5013         244   Deutsche Telekom AG
 8220      279        455         265   COLT Telecommunications
24863      273         41          30   LINKdotNET AS number
  680      251       2041         247   DFN-IP service G-WiN
 6746      247         91         225   Dynamic Network Technologies,
 3246      229        485         219   Song Networks
 8708      220        278         207   Romania Data Systems S.A.
 9116      220        134          23   Goldenlines main autonomous s
 1257      212        740         168   SWIPnet Swedish IP Network
 3215      210       1832          96   France Telecom Transpac
 3269      203       2261          73   TELECOM ITALIA
30890      201         18          78   SC Kappa Invexim SRL
 8551      200        182          27   Bezeq International
 6830      197        879          43   UPC Distribution Services
 8866      186         37          15   Bulgarian Telecommunication C
 5416      181         12          11   BATELCO-BH
 3300      173        171          95   AUCS Communications Services 
  786      171       1779         171   The JANET IP Service

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      603       1811         224   UniNet S.A. de C.V. 
11172      376         99          88   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
22047      303        206          11   VTR PUNTO NET S.A. 
11830      281        299           9   Instituto Costarricense de El
 6147      263        140          24   Telefonica Del Peru 
 6471      255         74          30   ENTEL CHILE S.A. 
14117      235         15           8   Telefonica del Sur S.A. 
 7303      205         91          26   Telecom Argentina Stet-France
 6503      181        168          84   AVANTEL, S.A. 
10481      181         72           8   Prima S.A. 
23216      145         19          44   RAMtelecom Telecomunicaciones
21826      144         18          29   INTERCABLE 
 7910      138          9          18   ANDINET ON LINE 
19429      137         83          39   E.T.B. 
19169      136          9          21   Telconet 
11556      132         96           4   Cable-Wireless Panama 
18822      129          8          10   TELEFONICA MANQUEHUE 
14522      118         18           9   SatNet S.A. 
 7738      113        410          20   Telecomunicacoes da Bahia S.A

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      291        803         233   The Internet Solution 
 8452      172         60           7   TEDATA
 6713      145        139          12   Itissalat Al-MAGHRIB
 2018      134        297         111   Tertiary Education Network 
15475      126         84           4   Nile Online
 5536      121          8          18   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      108          6           3   EEPAD TISP TELECOM & INTERNET
 2905       76        157          69   The Internetworking Company o
 2561       55          6           2   Egyptian Universities Network
15706       55         12           4   Sudatel Internet Exchange Aut
 5713       36        293          32   Telkom SA Ltd 
12455       36          6           3   Jambonet Autonomous system
33774       34          7          21   AS Number for Telecom Algeria
23889       27          8          12   MAURITIUS TELECOM
21280       26          4           4   Swift Global Kenya Ltd.Is an 
16637       24         19          23   Johnnic e-Ventures 
10798       23          1          14   Standard Bank of South Africa
21491       23         17           2   UTL On-line is RF broadband I
 8524       22          1           5   AUCEGYPT Autonomous System

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

  ASN   No of nets  Net Savings Description
 4134      1241        1005      CHINANET-BACKBONE
18566       966         958      Covad Communications 
 9583       960         938      Sify Limited
 4755      1002         936      Videsh Sanchar Nigam Ltd. Aut
 9498       858         786      BHARTI BT INTERNET LTD.
11492       752         739      Cable One 
 4323      1025         732      Time Warner Telecom
22773       713         667      Cox Communications, Inc.
  721       959         654      DLA Systems Automation Center
19262       749         560      Verizon Global Networks 
 6197      1023         543      BellSouth Network Solutions, 
17488       534         522      Hathway IP Over Cable Interne
 5668       538         520      CenturyTel Internet Holdings,
19916       565         511      OLM LLC 
  855       543         469      Canadian Research Network 
 7545       540         466      TPG Internet Pty Ltd
18101       458         440      Reliance Infocom Ltd Internet
17676       499         436      Softbank BB Corp.
 4766       741         434      Korea Telecom (KIX)
15270       468         433      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65530   PRIVATE       64.135.249.0/24       6536       MountainNet, Inc. 
65530   PRIVATE       64.135.250.0/23       6536       MountainNet, Inc. 
65530   PRIVATE       64.135.252.0/22       6536       MountainNet, Inc. 
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com

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
172.33.1.0/24         7018     AT&T WorldNet Services
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
192.249.0.0/20        3450     University of Tennessee, Knox

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:18       /9:9       /10:13      /11:29      /12:106     
/13:214     /14:384     /15:765     /16:9031    /17:3502    /18:5708    
/19:12323   /20:13952   /21:12306   /22:15628   /23:17022   /24:107535  
/25:441     /26:421     /27:189     /28:66      /29:42      /30:96      
/31:0       /32:51      

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

  ASN   No of nets  Total ann.   Description
18566      949           966      Covad Communications 
 2386      886          1168      AT&T Data Communications Serv
 6197      803          1023      BellSouth Network Solutions, 
 7018      798          1520      AT&T WorldNet Services
 9583      792           960      Sify Limited
11492      740           752      Cable One 
 7011      581           674      Citizens Utilities 
19916      559           565      OLM LLC 
 4766      550           741      Korea Telecom (KIX)
 9498      515           858      BHARTI BT INTERNET LTD.
15270      437           468      PaeTec.net -a division of Pae
 4755      433          1002      Videsh Sanchar Nigam Ltd. Aut
  855      423           543      Canadian Research Network 
 5668      420           538      CenturyTel Internet Holdings,
17849      412           424      Telecommunications Technology
 1239      407           834      Sprint 
18101      390           458      Reliance Infocom Ltd Internet
22773      373           713      Cox Communications, Inc.
33588      371           392      Bresnan Communications, LLC. 
17488      354           534      Hathway IP Over Cable Interne

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

   4:8         8:53       12:1645     13:1        15:16       16:3      
  17:3        18:4        20:41       24:822      25:1        32:58     
  38:258      40:56       41:22       44:3        47:7        52:4      
  53:1        55:1        56:3        57:25       58:224      59:273    
  60:220      61:905      62:981      63:1909     64:3145     65:2246   
  66:3036     67:647      68:650      69:1651     70:394      71:89     
  72:944      74:84       75:8        80:826      81:696      82:614    
  83:398      84:407      85:699      86:444      87:578      88:198    
  89:491      91:3       121:52      122:13      124:412     125:650    
 128:285     129:229     130:122     131:311     132:35      133:9      
 134:167     135:51      136:177     137:96      138:130     139:47     
 140:527     141:134     142:344     143:192     144:237     145:43     
 146:320     147:137     148:361     149:177     150:114     151:120    
 152:75      153:121     154:5       155:232     156:160     157:165    
 158:155     159:171     160:98      161:85      162:216     163:158    
 164:232     165:218     166:239     167:247     168:488     169:128    
 170:376     171:11      172:1       190:232     192:5770    193:3497   
 194:2729    195:2091    196:906     198:3885    199:3321    200:4472   
 201:967     202:6920    203:7166    204:3922    205:2107    206:2419   
 207:2958    208:2311    209:3506    210:2178    211:837     212:1355   
 213:1505    214:373     215:39      216:4061    217:1135    218:341    
 219:259     220:791     221:383     222:231    

End of report
Report Website: http://thyme.apnic.net



More information about the afnog mailing list