[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 18 20:02:49 SAST 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 19 Aug, 2006

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

BGP routing table entries examined:                              195444
    Prefixes after maximum aggregation:                          107128
    Unique aggregates announced to Internet:                      95305
Total ASes present in the Internet Routing Table:                 22909
Origin-only ASes present in the Internet Routing Table:           19924
Origin ASes announcing only one prefix:                            9551
Transit ASes present in the Internet Routing Table:                2985
Transit-only ASes present in the Internet Routing Table:             70
Average AS path length visible in the Internet Routing Table:       3.6
    Max AS path length visible:                                      29
    Max AS path prepend of ASN (36728)                               27
Prefixes from unregistered ASNs in the Routing Table:                26
    Unregistered ASNs in the Routing Table:                           5
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1574577068
    Equivalent to 93 /8s, 218 /16s and 35 /24s
    Percentage of available address space announced:               42.5
    Percentage of allocated address space announced:               61.5
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:       97295

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

Prefixes being announced by APNIC Region ASes:                    42778
    Total APNIC prefixes after maximum aggregation:               17444
Prefixes being announced from the APNIC address blocks:           40468
    Unique aggregates announced from the APNIC address blocks:    18700
APNIC Region origin ASes present in the Internet Routing Table:    2674
APNIC Region origin ASes announcing only one prefix:                757
APNIC Region transit ASes present in the Internet Routing Table:    397
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         24
Number of APNIC addresses announced to Internet:              260538976
    Equivalent to 15 /8s, 135 /16s and 130 /24s
    Percentage of available APNIC address space announced:         81.5

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:                     98830
    Total ARIN prefixes after maximum aggregation:                58753
Prefixes being announced from the ARIN address blocks:            72522
    Unique aggregates announced from the ARIN address blocks:     27331
ARIN Region origin ASes present in the Internet Routing Table:    10905
ARIN Region origin ASes announcing only one prefix:                4114
ARIN Region transit ASes present in the Internet Routing Table:    1017
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               295414528
    Equivalent to 17 /8s, 155 /16s and 171 /24s
    Percentage of available ARIN address space announced:          76.6

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:                     39282
    Total RIPE prefixes after maximum aggregation:                26280
Prefixes being announced from the RIPE address blocks:            36240
    Unique aggregates announced from the RIPE address blocks:     24435
RIPE Region origin ASes present in the Internet Routing Table:     8387
RIPE Region origin ASes announcing only one prefix:                4397
RIPE Region transit ASes present in the Internet Routing Table:    1384
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          24
Number of RIPE addresses announced to Internet:               261713988
    Equivalent to 15 /8s, 153 /16s and 112 /24s
    Percentage of available RIPE address space announced:          82.1

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:                   12269
    Total LACNIC prefixes after maximum aggregation:               3740
Prefixes being announced from the LACNIC address blocks:          10326
    Unique aggregates announced from the LACNIC address blocks:    5938
LACNIC Region origin ASes present in the Internet Routing Table:    713
LACNIC Region origin ASes announcing only one prefix:               237
LACNIC Region transit ASes present in the Internet Routing Table:   130
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC addresses announced to Internet:              32148480
    Equivalent to 1 /8s, 234 /16s and 140 /24s
    Percentage of available LACNIC address space announced:        47.9

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:                   2259
    Total AfriNIC prefixes after maximum aggregation:               911
Prefixes being announced from the AfriNIC address blocks:          1567
    Unique aggregates announced from the AfriNIC address blocks:    985
AfriNIC Region origin ASes present in the Internet Routing Table:   160
AfriNIC Region origin ASes announcing only one prefix:               46
AfriNIC Region transit ASes present in the Internet Routing Table:   25
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC addresses announced to Internet:              4188928
    Equivalent to 0 /8s, 63 /16s and 235 /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     1294       7973         236   CHINANET-BACKBONE
 4755      969        255          67   Videsh Sanchar Nigam Ltd. Aut
 9583      942        109          15   Sify Limited
 9498      784        211          70   BHARTI BT INTERNET LTD.
 4766      703       4435         304   Korea Telecom (KIX)
 1221      612       1779         469   Telstra Pty Ltd
 7545      541        124          72   TPG Internet Pty Ltd
17488      522         32          18   Hathway IP Over Cable Interne
17676      492      10613          96   Softbank BB Corp.
 9443      450        111          83   Primus Telecommunications
18101      437         85          22   Reliance Infocom Ltd Internet
 4812      412        739          59   China Telecom (Shanghai)
17849      410         30         122   Telecommunications Technology
17974      370        129          12   PT TELEKOMUNIKASI INDONESIA
17557      359         29         167   Pakistan Telecom
 4802      356         84         149   Wantree Development
 2907      336       1733         311   SINET Japan
 4837      318       3523         136   chinanet IDC center beijing n
10139      308         23           6   Meridian Telekoms
 7474      295        211         229   SingTel Optus Pty Ltd

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1473       6258         952   AT&T WorldNet Services
 6197     1016        635         477   BellSouth Network Solutions, 
  721     1002      21940         313   DLA Systems Automation Center
 4323      983        748         279   Time Warner Telecom
  701      960       6782         785   UUNET Technologies, Inc. 
18566      955        272           8   Covad Communications 
 2386      946        559         714   AT&T Data Communications Serv
  174      945       5770         887   Cogent Communications
 1239      839       2779         592   Sprint 
20115      735        658         384   Charter Communications 
19262      730       2224         185   Verizon Global Networks 
11492      725         90          16   Cable One 
22773      690       1744          46   Cox Communications, Inc.
  209      687       3657         542   Qwest 
 7011      678        226         430   Citizens Utilities 
 6198      597        554         236   BellSouth Network Solutions, 
  852      587       1068         383   Telus Advanced Communications
19916      563         49          54   OLM LLC 
  855      559        247          74   Canadian Research Network 
 3602      532        125         105   Sprint Canada, Inc. 

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      298       5013         241   Deutsche Telekom AG
 8220      280        471         266   COLT Telecommunications
24863      254         42          11   LINKdotNET AS number
  680      247       2041         244   DFN-IP service G-WiN
 6746      244         91         222   Dynamic Network Technologies,
 3246      231        462         221   Song Networks
 1257      220        744         167   SWIPnet Swedish IP Network
 8708      216        278         203   Romania Data Systems S.A.
 3215      204       1760          97   France Telecom Transpac
 3269      202       2246          73   TELECOM ITALIA
 8551      202        182          27   Bezeq International
30890      202         18          83   SC Kappa Invexim SRL
 6830      194        879          43   UPC Distribution Services
 8866      183         37          15   Bulgarian Telecommunication C
 5416      180         12          11   BATELCO-BH
 3300      173        171          98   AUCS Communications Services 
  786      170       1778         170   The JANET IP Service
 9121      168        931          31   TTnet Autonomous System

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      769       1811         227   UniNet S.A. de C.V. 
22047      456        206          11   VTR PUNTO NET S.A. 
11172      358         96          85   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
 6147      273        134          22   Telefonica Del Peru 
 6471      254         74          30   ENTEL CHILE S.A. 
14117      217         13           7   Telefonica del Sur S.A. 
 6503      183        167          84   AVANTEL, S.A. 
 7303      182         85          29   Telecom Argentina Stet-France
10481      181         72           8   Prima S.A. 
 7910      144          9          25   ANDINET ON LINE 
21826      134         17          23   INTERCABLE 
11556      132         96           4   Cable-Wireless Panama 
19429      131         80          40   E.T.B. 
18822      129          8          10   TELEFONICA MANQUEHUE 
19169      128          8          25   Telconet 
14522      117         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      142         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       32          7          20   AS Number for Telecom Algeria
23889       26          8          11   MAURITIUS TELECOM
16637       24         15          22   Johnnic e-Ventures 
10798       23          1          14   Standard Bank of South Africa
 8524       22          1           5   AUCEGYPT Autonomous System
21280       22          4           4   Swift Global Kenya Ltd.Is an 
21491       21         17           2   UTL On-line is RF broadband I
33766       21          2           1   Nyala Communications Pty Ltd 
 2561       19          6           2   Egyptian Universities Network

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

  ASN   No of nets  Net Savings Description
 4134      1294        1058      CHINANET-BACKBONE
18566       955         947      Covad Communications 
 9583       942         927      Sify Limited
 4755       969         902      Videsh Sanchar Nigam Ltd. Aut
 9498       784         714      BHARTI BT INTERNET LTD.
11492       725         709      Cable One 
 4323       983         704      Time Warner Telecom
  721      1002         689      DLA Systems Automation Center
22773       690         644      Cox Communications, Inc.
19262       730         545      Verizon Global Networks 
 8151       769         542      UniNet S.A. de C.V. 
 6197      1016         539      BellSouth Network Solutions, 
 5668       532         514      CenturyTel Internet Holdings,
19916       563         509      OLM LLC 
17488       522         504      Hathway IP Over Cable Interne
  855       559         485      Canadian Research Network 
 7545       541         469      TPG Internet Pty Ltd
22047       456         445      VTR PUNTO NET S.A. 
 3602       532         427      Sprint Canada, Inc. 
15270       460         427      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
65350   PRIVATE       124.239.192.0/24     17672       asn for Hebei Provin
65010   PRIVATE       203.117.213.0/24      9255       Singapore Telecom
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
64615   PRIVATE       203.144.48.0/24      16838       VeriSign Inc 
65000   PRIVATE       211.72.199.0/24       3462       Data Communication B
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        /8:18       /9:9       /10:10      /11:28      /12:97      
/13:205     /14:376     /15:739     /16:8953    /17:3419    /18:5573    
/19:12135   /20:13709   /21:12019   /22:15135   /23:16396   /24:105380  
/25:414     /26:402     /27:196     /28:64      /29:42      /30:79      
/31:0       /32:46      

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

  ASN   No of nets  Total ann.   Description
18566      938           955      Covad Communications 
 6197      797          1016      BellSouth Network Solutions, 
 9583      774           942      Sify Limited
 7018      773          1473      AT&T WorldNet Services
11492      713           725      Cable One 
 2386      664           946      AT&T Data Communications Serv
 7011      581           678      Citizens Utilities 
19916      557           563      OLM LLC 
 4766      514           703      Korea Telecom (KIX)
 9498      466           784      BHARTI BT INTERNET LTD.
 6198      443           597      BellSouth Network Solutions, 
  855      433           559      Canadian Research Network 
15270      429           460      PaeTec.net -a division of Pae
 5668      414           532      CenturyTel Internet Holdings,
 4755      404           969      Videsh Sanchar Nigam Ltd. Aut
 1239      399           839      Sprint 
17849      397           410      Telecommunications Technology
 6517      379           413      Yipes Communications, Inc. 
18101      372           437      Reliance Infocom Ltd Internet
22773      363           690      Cox Communications, Inc.

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

   4:9         8:50       12:1618     13:1        15:15       16:3      
  17:3        18:4        20:41       24:809      25:1        32:61     
  38:243      40:53       41:14       44:3        47:6        52:4      
  55:1        56:3        57:26       58:197      59:251      60:191    
  61:908      62:834      63:1889     64:3056     65:2253     66:3016   
  67:639      68:658      69:1565     70:391      71:88       72:889    
  74:75       75:5        80:785      81:695      82:650      83:401    
  84:379      85:583      86:395      87:432      88:158      89:403    
  91:1       121:15      122:3       123:1       124:337     125:598    
 128:153     129:201     130:118     131:314     132:31      133:8      
 134:160     135:48      136:176     137:84      138:213     139:47     
 140:557     141:135     142:363     143:189     144:240     145:41     
 146:317     147:141     148:351     149:189     150:114     151:115    
 152:72      153:117     154:5       155:215     156:176     157:178    
 158:165     159:172     160:94      161:85      162:218     163:164    
 164:233     165:222     166:183     167:243     168:486     169:125    
 170:355     171:14      190:197     192:5726    193:3404    194:2715   
 195:2024    196:865     198:3886    199:3298    200:4636    201:1023   
 202:6802    203:7060    204:3890    205:2019    206:2384    207:2926   
 208:2225    209:3448    210:2174    211:832     212:1279    213:1450   
 214:368     215:41      216:4064    217:1149    218:328     219:252    
 220:765     221:381     222:233    

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


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