Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 11 18:02:16 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 12 Aug, 2006

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

BGP routing table entries examined:                              194755
    Prefixes after maximum aggregation:                          107004
    Unique aggregates announced to Internet:                      95222
Total ASes present in the Internet Routing Table:                 22854
Origin-only ASes present in the Internet Routing Table:           19885
Origin ASes announcing only one prefix:                            9517
Transit ASes present in the Internet Routing Table:                2969
Transit-only ASes present in the Internet Routing Table:             68
Average AS path length visible in the Internet Routing Table:       3.5
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (24076)                               20
Prefixes from unregistered ASNs in the Routing Table:                22
    Unregistered ASNs in the Routing Table:                           2
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1562847660
    Equivalent to 93 /8s, 39 /16s and 41 /24s
    Percentage of available address space announced:               42.2
    Percentage of allocated address space announced:               61.0
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:       96812

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

Prefixes being announced by APNIC Region ASes:                    42607
    Total APNIC prefixes after maximum aggregation:               17466
Prefixes being announced from the APNIC address blocks:           40293
    Unique aggregates announced from the APNIC address blocks:    18723
APNIC Region origin ASes present in the Internet Routing Table:    2669
APNIC Region origin ASes announcing only one prefix:                755
APNIC Region transit ASes present in the Internet Routing Table:    400
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         24
Number of APNIC addresses announced to Internet:              244848480
    Equivalent to 14 /8s, 152 /16s and 23 /24s
    Percentage of available APNIC address space announced:         76.6

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:                     98560
    Total ARIN prefixes after maximum aggregation:                58685
Prefixes being announced from the ARIN address blocks:            72285
    Unique aggregates announced from the ARIN address blocks:     27310
ARIN Region origin ASes present in the Internet Routing Table:    10883
ARIN Region origin ASes announcing only one prefix:                4096
ARIN Region transit ASes present in the Internet Routing Table:    1012
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          18
Number of ARIN addresses announced to Internet:               299087360
    Equivalent to 17 /8s, 211 /16s and 182 /24s
    Percentage of available ARIN address space announced:          77.5

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:                     39164
    Total RIPE prefixes after maximum aggregation:                26205
Prefixes being announced from the RIPE address blocks:            36138
    Unique aggregates announced from the RIPE address blocks:     24344
RIPE Region origin ASes present in the Internet Routing Table:     8363
RIPE Region origin ASes announcing only one prefix:                4386
RIPE Region transit ASes present in the Internet Routing Table:    1372
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          18
Number of RIPE addresses announced to Internet:               261444932
    Equivalent to 15 /8s, 149 /16s and 85 /24s
    Percentage of available RIPE address space announced:          82.0

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:                   12153
    Total LACNIC prefixes after maximum aggregation:               3732
Prefixes being announced from the LACNIC address blocks:          10247
    Unique aggregates announced from the LACNIC address blocks:    5896
LACNIC Region origin ASes present in the Internet Routing Table:    711
LACNIC Region origin ASes announcing only one prefix:               235
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:              31927040
    Equivalent to 1 /8s, 231 /16s and 43 /24s
    Percentage of available LACNIC address space announced:        47.6

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:                   2249
    Total AfriNIC prefixes after maximum aggregation:               916
Prefixes being announced from the AfriNIC address blocks:          1543
    Unique aggregates announced from the AfriNIC address blocks:    976
AfriNIC Region origin ASes present in the Internet Routing Table:   160
AfriNIC Region origin ASes announcing only one prefix:               45
AfriNIC Region transit ASes present in the Internet Routing Table:   24
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC addresses announced to Internet:              4202496
    Equivalent to 0 /8s, 64 /16s and 32 /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     1290       7930         240   CHINANET-BACKBONE
 4755      966        255          68   Videsh Sanchar Nigam Ltd. Aut
 9583      936        109          15   Sify Limited
 9498      779        211          70   BHARTI BT INTERNET LTD.
 4766      702       4435         303   Korea Telecom (KIX)
 1221      610       1779         467   Telstra Pty Ltd
 7545      553        124          72   TPG Internet Pty Ltd
17488      522         32          18   Hathway IP Over Cable Interne
17676      491       7109         111   Softbank BB Corp.
 9443      450        111          83   Primus Telecommunications
18101      436         85          22   Reliance Infocom Ltd Internet
 4812      412        739          59   China Telecom (Shanghai)
17849      410         30         122   Telecommunications Technology
17974      377        129          12   PT TELEKOMUNIKASI INDONESIA
 4802      370         81         158   Wantree Development
17557      358         29         169   Pakistan Telecom
 2907      336       1733         311   SINET Japan
 4837      307       3468         132   chinanet IDC center beijing n
 7474      295        211         229   SingTel Optus Pty Ltd
10139      282         23           6   Meridian Telekoms

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1482       6259         956   AT&T WorldNet Services
 6197     1016        635         477   BellSouth Network Solutions, 
  721     1002      21942         311   DLA Systems Automation Center
 4323      980        747         278   Time Warner Telecom
  701      963       6782         788   UUNET Technologies, Inc. 
18566      954        272           8   Covad Communications 
 2386      940        559         710   AT&T Data Communications Serv
  174      937       5769         887   Cogent Communications
 1239      842       2797         595   Sprint 
20115      730        651         380   Charter Communications 
19262      726       2216         185   Verizon Global Networks 
11492      723         90          16   Cable One 
  209      688       3661         542   Qwest 
22773      685       1742          44   Cox Communications, Inc.
 7011      676        221         431   Citizens Utilities 
 6198      595        554         236   BellSouth Network Solutions, 
  852      582       1068         382   Telus Advanced Communications
  855      568        247          74   Canadian Research Network 
19916      563         49          54   OLM LLC 
 5668      539        147          28   CenturyTel Internet Holdings,

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      560       1947         441   UUNET - Commercial IP service
 3301      315       1186         300   TeliaNet Sweden
 3320      295       5013         239   Deutsche Telekom AG
 8220      280        471         266   COLT Telecommunications
24863      249         42          11   LINKdotNET AS number
  680      247       2041         244   DFN-IP service G-WiN
 6746      243         91         221   Dynamic Network Technologies,
 3246      230        462         220   Song Networks
 8708      215        278         203   Romania Data Systems S.A.
 3215      204       1760          97   France Telecom Transpac
 8551      202        182          27   Bezeq International
 3269      201       2246          72   TELECOM ITALIA
30890      200         18          83   SC Kappa Invexim SRL
 1257      195        742         167   SWIPnet Swedish IP Network
 6830      195        879          43   UPC Distribution Services
 8866      191         37          15   Bulgarian Telecommunication C
 5416      180         12          11   BATELCO-BH
  786      171       1778         171   The JANET IP Service
 3300      171        171          98   AUCS Communications Services 
 9121      168        931          31   TTnet Autonomous System

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      784       1811         226   UniNet S.A. de C.V. 
22047      458        206          11   VTR PUNTO NET S.A. 
11172      359        112          86   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
 6147      273        134          22   Telefonica Del Peru 
 6471      255         74          30   ENTEL CHILE S.A. 
14117      217         13           7   Telefonica del Sur S.A. 
 6503      183        151          83   AVANTEL, S.A. 
 7303      182         85          29   Telecom Argentina Stet-France
10481      181         72           8   Prima S.A. 
 7910      136          9          22   ANDINET ON LINE 
21826      134         17          23   INTERCABLE 
11556      132         80           4   Cable-Wireless Panama 
18822      129          8          10   TELEFONICA MANQUEHUE 
19169      128          8          25   Telconet 
19429      123         80          40   E.T.B. 
14522      121         18           9   SatNet S.A. 
 7738      114        410          20   Telecomunicacoes da Bahia S.A
23216      113         21           9   RAMtelecom Telecomunicaciones
14259      112         10          15   GTD Internet 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      144        135          11   Itissalat Al-MAGHRIB
15475      140         84           4   Nile Online
 2018      134        298         111   Tertiary Education Network 
 5536      121          8          18   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      106          6           2   EEPAD TISP TELECOM & INTERNET
 2905       79        159          70   The Internetworking Company o
15706       44          8           3   Sudatel Internet Exchange Aut
 5713       38        294          34   Telkom SA Ltd 
33774       31          7          21   AS Number for Telecom Algeria
23889       25          8          11   MAURITIUS TELECOM
10798       23          1          14   Standard Bank of South Africa
16637       23         18          21   Johnnic e-Ventures 
 8524       22          1           5   AUCEGYPT Autonomous System
21280       21          4           4   Swift Global Kenya Ltd.Is an 
33766       21          2           1   Nyala Communications Pty Ltd 
21491       20         17           2   UTL On-line is RF broadband I
 2561       19          6           2   Egyptian Universities Network

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

  ASN   No of nets  Net Savings Description
 4134      1290        1050      CHINANET-BACKBONE
18566       954         946      Covad Communications 
 9583       936         921      Sify Limited
 4755       966         898      Videsh Sanchar Nigam Ltd. Aut
 9498       779         709      BHARTI BT INTERNET LTD.
11492       723         707      Cable One 
 4323       980         702      Time Warner Telecom
  721      1002         691      DLA Systems Automation Center
22773       685         641      Cox Communications, Inc.
 8151       784         558      UniNet S.A. de C.V. 
19262       726         541      Verizon Global Networks 
 6197      1016         539      BellSouth Network Solutions, 
 5668       539         511      CenturyTel Internet Holdings,
19916       563         509      OLM LLC 
17488       522         504      Hathway IP Over Cable Interne
  855       568         494      Canadian Research Network 
 7545       553         481      TPG Internet Pty Ltd
22047       458         447      VTR PUNTO NET S.A. 
 3602       527         422      Sprint Canada, Inc. 
15270       455         422      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65350   PRIVATE       124.236.0.0/19       17672       asn for Hebei Provin
65350   PRIVATE       124.236.240.0/20     17672       asn for Hebei Provin
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
65350   PRIVATE       219.148.0.0/22       17672       asn for Hebei Provin
65350   PRIVATE       219.148.4.0/23       17672       asn for Hebei Provin
65350   PRIVATE       219.148.8.0/21       17672       asn for Hebei Provin
65350   PRIVATE       219.148.24.0/21      17672       asn for Hebei Provin
65350   PRIVATE       219.148.32.0/19      17672       asn for Hebei Provin
65350   PRIVATE       222.222.0.0/21       17672       asn for Hebei Provin
65350   PRIVATE       222.222.8.0/21       17672       asn for Hebei Provin
65350   PRIVATE       222.222.16.0/20      17672       asn for Hebei Provin
65350   PRIVATE       222.222.32.0/20      17672       asn for Hebei Provin
65350   PRIVATE       222.222.48.0/20      17672       asn for Hebei Provin
65350   PRIVATE       222.222.208.0/21     17672       asn for Hebei Provin
65350   PRIVATE       222.222.216.0/21     17672       asn for Hebei Provin
65350   PRIVATE       222.223.187.0/24     17672       asn for Hebei Provin
65350   PRIVATE       222.223.188.0/22     17672       asn for Hebei Provin
65350   PRIVATE       222.223.192.0/22     17672       asn for Hebei Provin
65350   PRIVATE       222.223.196.0/23     17672       asn for Hebei Provin
65350   PRIVATE       222.223.200.0/22     17672       asn for Hebei Provin
65350   PRIVATE       222.223.206.0/23     17672       asn for Hebei Provin
65350   PRIVATE       222.223.224.0/19     17672       asn for Hebei Provin

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
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        /8:17       /9:9       /10:11      /11:28      /12:97      
/13:205     /14:375     /15:733     /16:8950    /17:3412    /18:5563    
/19:12087   /20:13638   /21:11960   /22:15121   /23:16321   /24:105108  
/25:384     /26:308     /27:196     /28:66      /29:40      /30:80      
/31:0       /32:46      

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

  ASN   No of nets  Total ann.   Description
18566      937           954      Covad Communications 
 6197      796          1016      BellSouth Network Solutions, 
 7018      777          1482      AT&T WorldNet Services
 9583      769           936      Sify Limited
11492      711           723      Cable One 
 2386      658           940      AT&T Data Communications Serv
 7011      582           676      Citizens Utilities 
19916      557           563      OLM LLC 
 4766      513           702      Korea Telecom (KIX)
 9498      460           779      BHARTI BT INTERNET LTD.
  855      442           568      Canadian Research Network 
 6198      441           595      BellSouth Network Solutions, 
15270      424           455      PaeTec.net -a division of Pae
 5668      421           539      CenturyTel Internet Holdings,
 4755      402           966      Videsh Sanchar Nigam Ltd. Aut
 1239      398           842      Sprint 
17849      397           410      Telecommunications Technology
 6517      383           416      Yipes Communications, Inc. 
18101      371           436      Reliance Infocom Ltd Internet
22773      363           685      Cox Communications, Inc.

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

   4:9         8:50       12:1613     13:1        15:15       16:3      
  17:3        18:4        20:41       24:811      25:1        32:61     
  38:239      40:52       41:9        44:3        45:12       47:6      
  52:4        55:1        56:3        57:26       58:211      59:248    
  60:185      61:932      62:830      63:1889     64:3091     65:2259   
  66:2991     67:638      68:676      69:1567     70:390      71:87     
  72:874      74:71       75:5        80:753      81:674      82:644    
  83:410      84:393      85:574      86:396      87:462      88:154    
  89:394      91:1       121:13      122:3       123:1       124:348    
 125:595     128:148     129:188     130:118     131:315     132:34     
 133:8       134:164     135:48      136:178     137:85      138:213    
 139:48      140:491     141:135     142:376     143:189     144:239    
 145:40      146:318     147:140     148:354     149:187     150:114    
 151:97      152:71      153:117     154:5       155:213     156:179    
 157:169     158:167     159:172     160:94      161:83      162:217    
 163:164     164:236     165:222     166:182     167:242     168:486    
 169:125     170:352     171:14      190:125     192:5732    193:3404   
 194:2701    195:2024    196:853     198:3901    199:3300    200:4633   
 201:1035    202:6781    203:7045    204:3900    205:2009    206:2425   
 207:2906    208:2218    209:3447    210:2174    211:836     212:1258   
 213:1444    214:367     215:41      216:4018    217:1158    218:324    
 219:235     220:744     221:379     222:228    

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



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