[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 25 20:08:20 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 26 Aug, 2006

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

BGP routing table entries examined:                              195958
    Prefixes after maximum aggregation:                          107215
    Unique aggregates announced to Internet:                      95129
Total ASes present in the Internet Routing Table:                 22969
Origin-only ASes present in the Internet Routing Table:           20004
Origin ASes announcing only one prefix:                            9596
Transit ASes present in the Internet Routing Table:                2965
Transit-only ASes present in the Internet Routing Table:             64
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:                 2
    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:                   1577381676
    Equivalent to 94 /8s, 4 /16s and 239 /24s
    Percentage of available address space announced:               42.6
    Percentage of allocated address space announced:               61.6
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:       97463

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

Prefixes being announced by APNIC Region ASes:                    42902
    Total APNIC prefixes after maximum aggregation:               17347
Prefixes being announced from the APNIC address blocks:           40565
    Unique aggregates announced from the APNIC address blocks:    18305
APNIC Region origin ASes present in the Internet Routing Table:    2680
APNIC Region origin ASes announcing only one prefix:                761
APNIC Region transit ASes present in the Internet Routing Table:    401
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         24
Number of APNIC addresses announced to Internet:              261836896
    Equivalent to 15 /8s, 155 /16s and 80 /24s
    Percentage of available APNIC address space announced:         81.9

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:                     99061
    Total ARIN prefixes after maximum aggregation:                58879
Prefixes being announced from the ARIN address blocks:            72786
    Unique aggregates announced from the ARIN address blocks:     27423
ARIN Region origin ASes present in the Internet Routing Table:    10938
ARIN Region origin ASes announcing only one prefix:                4142
ARIN Region transit ASes present in the Internet Routing Table:    1004
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               296089856
    Equivalent to 17 /8s, 165 /16s and 249 /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:                     39381
    Total RIPE prefixes after maximum aggregation:                26314
Prefixes being announced from the RIPE address blocks:            36329
    Unique aggregates announced from the RIPE address blocks:     24493
RIPE Region origin ASes present in the Internet Routing Table:     8409
RIPE Region origin ASes announcing only one prefix:                4412
RIPE Region transit ASes present in the Internet Routing Table:    1377
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          24
Number of RIPE addresses announced to Internet:               261830852
    Equivalent to 15 /8s, 155 /16s and 56 /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:                   12331
    Total LACNIC prefixes after maximum aggregation:               3761
Prefixes being announced from the LACNIC address blocks:          10360
    Unique aggregates announced from the LACNIC address blocks:    5968
LACNIC Region origin ASes present in the Internet Routing Table:    716
LACNIC Region origin ASes announcing only one prefix:               236
LACNIC Region transit ASes present in the Internet Routing Table:   128
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC addresses announced to Internet:              32212480
    Equivalent to 1 /8s, 235 /16s and 134 /24s
    Percentage of available LACNIC address space announced:        48.0

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:                   2281
    Total AfriNIC prefixes after maximum aggregation:               914
Prefixes being announced from the AfriNIC address blocks:          1594
    Unique aggregates announced from the AfriNIC address blocks:    998
AfriNIC Region origin ASes present in the Internet Routing Table:   162
AfriNIC Region origin ASes announcing only one prefix:               45
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:                       16
Number of AfriNIC addresses announced to Internet:              4213504
    Equivalent to 0 /8s, 64 /16s and 75 /24s
    Percentage of available AfriNIC address space announced:       12.6

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     1301       7982         239   CHINANET-BACKBONE
 4755      973        255          66   Videsh Sanchar Nigam Ltd. Aut
 9583      946        109          15   Sify Limited
 9498      799        211          71   BHARTI BT INTERNET LTD.
 4766      727       4435         306   Korea Telecom (KIX)
 1221      610       1779         467   Telstra Pty Ltd
 7545      540        124          73   TPG Internet Pty Ltd
17488      522         32          18   Hathway IP Over Cable Interne
17676      497      10933          62   Softbank BB Corp.
 9443      450        111          83   Primus Telecommunications
18101      445         85          18   Reliance Infocom Ltd Internet
 4812      414        739          59   China Telecom (Shanghai)
17849      410         30         122   Telecommunications Technology
 4802      407         84         149   Wantree Development
17974      373        129          12   PT TELEKOMUNIKASI INDONESIA
17557      356         28         169   Pakistan Telecom
 2907      336       1733         311   SINET Japan
 4837      320       3539         138   chinanet IDC center beijing n
 7474      295        211         229   SingTel Optus Pty Ltd
10139      284         23           6   Meridian Telekoms

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1480       6259         955   AT&T WorldNet Services
 6197     1019        637         479   BellSouth Network Solutions, 
  721      998      21926         310   DLA Systems Automation Center
 4323      998        768         286   Time Warner Telecom
 2386      960        561         725   AT&T Data Communications Serv
18566      958        272           8   Covad Communications 
  701      957       6780         783   UUNET Technologies, Inc. 
  174      942       5770         887   Cogent Communications
 1239      842       2781         595   Sprint 
20115      736        658         385   Charter Communications 
19262      734       2252         188   Verizon Global Networks 
11492      727         90          16   Cable One 
22773      695       1744          46   Cox Communications, Inc.
  209      686       3641         541   Qwest 
 7011      665        207         421   Citizens Utilities 
  852      589       1068         383   Telus Advanced Communications
19916      563         49          54   OLM LLC 
  855      562        248          73   Canadian Research Network 
 5668      533        145          18   CenturyTel Internet Holdings,
 3602      511        125         105   Sprint Canada, Inc. 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      558       1947         439   UUNET - Commercial IP service
 3301      315       1186         300   TeliaNet Sweden
 3320      297       5013         240   Deutsche Telekom AG
 8220      283        471         268   COLT Telecommunications
24863      254         42          11   LINKdotNET AS number
  680      248       2041         244   DFN-IP service G-WiN
 6746      245         91         224   Dynamic Network Technologies,
 3246      229        462         219   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
30890      203         18          84   SC Kappa Invexim SRL
 3269      202       2246          73   TELECOM ITALIA
 8551      202        182          27   Bezeq International
 6830      194        879          43   UPC Distribution Services
 8866      185         37          15   Bulgarian Telecommunication C
 5416      180         12          11   BATELCO-BH
 3300      172        171          97   AUCS Communications Services 
  786      171       1778         171   The JANET IP Service
 3352      166       1655          30   Ibernet, Internet Access Netw

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      772       1811         228   UniNet S.A. de C.V. 
22047      456        206          11   VTR PUNTO NET S.A. 
11172      369         98          93   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      181        167          84   AVANTEL, S.A. 
 7303      181         84          28   Telecom Argentina Stet-France
10481      181         72           8   Prima S.A. 
 7910      142          9          29   ANDINET ON LINE 
19169      136          9          26   Telconet 
21826      135         17          23   INTERCABLE 
11556      132         96           4   Cable-Wireless Panama 
19429      131         80          40   E.T.B. 
18822      129          8          10   TELEFONICA MANQUEHUE 
14522      117         18           9   SatNet S.A. 
 7738      114        410          20   Telecomunicacoes da Bahia S.A
14259      112         10          15   GTD Internet S.A. 
23216      111         21           9   RAMtelecom Telecomunicaciones

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      284        803         231   The Internet Solution 
 8452      179         60           7   TEDATA
 6713      144        135          11   Itissalat Al-MAGHRIB
 2018      134        298         111   Tertiary Education Network 
15475      132         84           4   Nile Online
 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       36        293          32   Telkom SA Ltd 
33774       32          7          20   AS Number for Telecom Algeria
23889       26          8          11   MAURITIUS TELECOM
16637       25         19          23   Johnnic e-Ventures 
10798       23          1          14   Standard Bank of South Africa
 8524       22          1           5   AUCEGYPT Autonomous System
21280       21          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      1301        1062      CHINANET-BACKBONE
18566       958         950      Covad Communications 
 9583       946         931      Sify Limited
 4755       973         907      Videsh Sanchar Nigam Ltd. Aut
 9498       799         728      BHARTI BT INTERNET LTD.
 4323       998         712      Time Warner Telecom
11492       727         711      Cable One 
  721       998         688      DLA Systems Automation Center
22773       695         649      Cox Communications, Inc.
19262       734         546      Verizon Global Networks 
 8151       772         544      UniNet S.A. de C.V. 
 6197      1019         540      BellSouth Network Solutions, 
 5668       533         515      CenturyTel Internet Holdings,
19916       563         509      OLM LLC 
17488       522         504      Hathway IP Over Cable Interne
  855       562         489      Canadian Research Network 
 7545       540         467      TPG Internet Pty Ltd
22047       456         445      VTR PUNTO NET S.A. 
17676       497         435      Softbank BB Corp.
15270       465         431      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65010   PRIVATE       203.117.213.0/24      9255       Singapore Telecom
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
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      /11:31      /12:103     
/13:209     /14:377     /15:737     /16:8972    /17:3431    /18:5598    
/19:12157   /20:13752   /21:12042   /22:15187   /23:16391   /24:105663  
/25:427     /26:406     /27:198     /28:67      /29:42      /30:82      
/31:0       /32:46      

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

  ASN   No of nets  Total ann.   Description
18566      941           958      Covad Communications 
 6197      799          1019      BellSouth Network Solutions, 
 7018      778          1480      AT&T WorldNet Services
 9583      777           946      Sify Limited
11492      715           727      Cable One 
 2386      678           960      AT&T Data Communications Serv
 7011      570           665      Citizens Utilities 
19916      557           563      OLM LLC 
 4766      538           727      Korea Telecom (KIX)
 9498      477           799      BHARTI BT INTERNET LTD.
  855      436           562      Canadian Research Network 
15270      434           465      PaeTec.net -a division of Pae
 5668      416           533      CenturyTel Internet Holdings,
 4755      409           973      Videsh Sanchar Nigam Ltd. Aut
 1239      401           842      Sprint 
17849      397           410      Telecommunications Technology
18101      379           445      Reliance Infocom Ltd Internet
 6517      378           412      Yipes Communications, Inc. 
22773      367           695      Cox Communications, Inc.
33588      351           372      Bresnan Communications, LLC. 

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

   4:9         8:49       12:1623     13:1        15:15       16:3      
  17:3        18:4        20:41       24:803      25:1        32:61     
  38:246      40:54       41:16       44:3        47:6        52:4      
  55:1        56:3        57:26       58:209      59:254      60:188    
  61:919      62:843      63:1892     64:3045     65:2207     66:3016   
  67:641      68:658      69:1604     70:384      71:88       72:885    
  74:71       75:5        80:786      81:685      82:646      83:387    
  84:387      85:594      86:393      87:441      88:168      89:416    
  91:1       121:15      122:6       123:1       124:345     125:586    
 128:155     129:203     130:118     131:314     132:31      133:8      
 134:161     135:48      136:177     137:84      138:213     139:49     
 140:512     141:134     142:367     143:189     144:242     145:41     
 146:323     147:136     148:352     149:176     150:114     151:116    
 152:72      153:117     154:5       155:216     156:172     157:177    
 158:165     159:173     160:94      161:85      162:218     163:166    
 164:232     165:220     166:183     167:238     168:485     169:128    
 170:361     171:14      189:1       190:204     192:5739    193:3408   
 194:2716    195:2042    196:886     198:3903    199:3311    200:4628   
 201:1034    202:6825    203:7085    204:3897    205:2045    206:2434   
 207:2964    208:2235    209:3454    210:2141    211:852     212:1284   
 213:1453    214:368     215:41      216:4067    217:1130    218:331    
 219:259     220:783     221:382     222:239    

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


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