Merit Network
Can't find what you're looking for? Search the Mail Archives.
  About Merit   Services   Network   Resources & Support   Network Research   News   Events   Home

Discussion Communities: Merit Network Email List Archives

North American Network Operators Group

Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Weekly Routing Table Report

  • From: Routing Analysis Role Account
  • Date: Fri Sep 22 14:09:19 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@lists.apnic.net

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

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

Routing Table Report   04:00 +10GMT Sat 23 Sep, 2006

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

BGP routing table entries examined:                              198182
    Prefixes after maximum aggregation:                          108186
    Unique aggregates announced to Internet:                      96256
Total ASes present in the Internet Routing Table:                 23166
Origin-only ASes present in the Internet Routing Table:           20205
Origin ASes announcing only one prefix:                            9692
Transit ASes present in the Internet Routing Table:                2961
Transit-only ASes present in the Internet Routing Table:             68
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:                           4
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1600876812
    Equivalent to 95 /8s, 107 /16s and 113 /24s
    Percentage of available address space announced:               43.2
    Percentage of allocated address space announced:               61.3
    Percentage of available address space allocated:               70.5
Total number of prefixes smaller than registry allocations:       98999

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

Prefixes being announced by APNIC Region ASes:                    43558
    Total APNIC prefixes after maximum aggregation:               17528
Prefixes being announced from the APNIC address blocks:           41156
    Unique aggregates announced from the APNIC address blocks:    18382
APNIC Region origin ASes present in the Internet Routing Table:    2701
APNIC Region origin ASes announcing only one prefix:                761
APNIC Region transit ASes present in the Internet Routing Table:    404
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         24
Number of APNIC addresses announced to Internet:              262496864
    Equivalent to 15 /8s, 165 /16s and 98 /24s
    Percentage of available APNIC address space announced:         82.1

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:                     99951
    Total ARIN prefixes after maximum aggregation:                59286
Prefixes being announced from the ARIN address blocks:            73496
    Unique aggregates announced from the ARIN address blocks:     27740
ARIN Region origin ASes present in the Internet Routing Table:    10993
ARIN Region origin ASes announcing only one prefix:                4169
ARIN Region transit ASes present in the Internet Routing Table:    1009
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               301835520
    Equivalent to 17 /8s, 253 /16s and 165 /24s
    Percentage of available ARIN address space announced:          78.2

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:                     40144
    Total RIPE prefixes after maximum aggregation:                26667
Prefixes being announced from the RIPE address blocks:            37075
    Unique aggregates announced from the RIPE address blocks:     24951
RIPE Region origin ASes present in the Internet Routing Table:     8515
RIPE Region origin ASes announcing only one prefix:                4465
RIPE Region transit ASes present in the Internet Routing Table:    1369
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          24
Number of RIPE addresses announced to Internet:               266115492
    Equivalent to 15 /8s, 220 /16s and 153 /24s
    Percentage of available RIPE address space announced:          72.1

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, 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:                   12223
    Total LACNIC prefixes after maximum aggregation:               3791
Prefixes being announced from the LACNIC address blocks:          10229
    Unique aggregates announced from the LACNIC address blocks:    6121
LACNIC Region origin ASes present in the Internet Routing Table:    729
LACNIC Region origin ASes announcing only one prefix:               249
LACNIC Region transit ASes present in the Internet Routing Table:   127
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC addresses announced to Internet:              32739840
    Equivalent to 1 /8s, 243 /16s and 146 /24s
    Percentage of available LACNIC address space announced:        48.8

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:                   2304
    Total AfriNIC prefixes after maximum aggregation:               914
Prefixes being announced from the AfriNIC address blocks:          1612
    Unique aggregates announced from the AfriNIC address blocks:   1055
AfriNIC Region origin ASes present in the Internet Routing Table:   160
AfriNIC Region origin ASes announcing only one prefix:               48
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:                       14
Number of AfriNIC addresses announced to Internet:              4240640
    Equivalent to 0 /8s, 64 /16s and 181 /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     1239       8156         238   CHINANET-BACKBONE
 4755      996        255          66   Videsh Sanchar Nigam Ltd. Aut
 9583      956        109          19   Sify Limited
 9498      853        212          72   BHARTI BT INTERNET LTD.
 4766      740       4436         307   Korea Telecom (KIX)
 1221      609       1780         467   Telstra Pty Ltd
 7545      540        124          74   TPG Internet Pty Ltd
17488      533         33          18   Hathway IP Over Cable Interne
17676      499      10933          63   Softbank BB Corp.
 9443      454        111          74   Primus Telecommunications
18101      454         85          18   Reliance Infocom Ltd Internet
 9942      430         77         126   COMindico Australia
17849      424         31         127   Telecommunications Technology
 4802      411         84         150   Wantree Development
 4812      397        741          61   China Telecom (Shanghai)
17974      374        129          12   PT TELEKOMUNIKASI INDONESIA
17557      346         28         166   Pakistan Telecom
 2907      337       1734         313   SINET Japan
10139      334         23           6   Meridian Telekoms
 4837      323       3554         139   chinanet IDC center beijing n

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1522       6277         989   AT&T WorldNet Services
 6197     1030        640         479   BellSouth Network Solutions, 
 2386     1027        569         777   AT&T Data Communications Serv
 4323     1023        782         291   Time Warner Telecom
  721      980      21909         306   DLA Systems Automation Center
  174      970       6825         900   Cogent Communications
18566      962        272           8   Covad Communications 
  701      949       6741         779   UUNET Technologies, Inc. 
 1239      842       2764         592   Sprint 
19262      745       2328         186   Verizon Global Networks 
11492      741         90          12   Cable One 
20115      740        662         384   Charter Communications 
22773      706       1744          46   Cox Communications, Inc.
  209      705       3631         555   Qwest 
 7011      667        207         421   Citizens Utilities 
  852      587       1069         385   Telus Advanced Communications
19916      565         49          54   OLM LLC 
  855      552        249          74   Canadian Research Network 
 5668      533        145          18   CenturyTel Internet Holdings,
 3602      511        125         104   Sprint Canada, Inc. 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      547       1929         427   UUNET - Commercial IP service
 3301      315       1186         299   TeliaNet Sweden
 3320      297       5013         242   Deutsche Telekom AG
 8220      279        455         265   COLT Telecommunications
24863      272         41          32   LINKdotNET AS number
  680      249       2041         245   DFN-IP service G-WiN
 6746      238         90         217   Dynamic Network Technologies,
 3246      228        469         218   Song Networks
 9116      226        134          23   Goldenlines main autonomous s
 1257      222        740         169   SWIPnet Swedish IP Network
 8708      216        278         203   Romania Data Systems S.A.
 3215      208       1832          96   France Telecom Transpac
 3269      204       2262          74   TELECOM ITALIA
 8551      202        182          27   Bezeq International
30890      201         18          79   SC Kappa Invexim SRL
 6830      198        879          43   UPC Distribution Services
 8866      184         37          15   Bulgarian Telecommunication C
 5416      180         12          11   BATELCO-BH
 3300      175        171          97   AUCS Communications Services 
  786      172       1779         172   The JANET IP Service

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      641       1811         225   UniNet S.A. de C.V. 
11172      367         98          90   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
22047      303        206          11   VTR PUNTO NET S.A. 
 6147      275        142          23   Telefonica Del Peru 
 6471      256         74          30   ENTEL CHILE S.A. 
14117      216         13           7   Telefonica del Sur S.A. 
 7303      188         88          19   Telecom Argentina Stet-France
 6503      183        167          83   AVANTEL, S.A. 
10481      181         72           8   Prima S.A. 
23216      143         21          10   RAMtelecom Telecomunicaciones
21826      141         18          25   INTERCABLE 
 7910      137          9          16   ANDINET ON LINE 
19169      136          9          21   Telconet 
19429      135         83          37   E.T.B. 
11556      132         96           4   Cable-Wireless Panama 
18822      129          8          10   TELEFONICA MANQUEHUE 
14522      116         18           9   SatNet S.A. 
 7738      113        410          20   Telecomunicacoes da Bahia S.A
14259      112         10          15   GTD Internet S.A. 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      288        803         232   The Internet Solution 
 8452      171         60           7   TEDATA
 6713      144        135          11   Itissalat Al-MAGHRIB
15475      141         84           4   Nile Online
 2018      135        297         111   Tertiary Education Network 
 5536      121          8          18   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      107          6           2   EEPAD TISP TELECOM & INTERNET
 2905       80        159          71   The Internetworking Company o
15706       55         12           4   Sudatel Internet Exchange Aut
 2561       54          6           2   Egyptian Universities Network
 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 
21280       24          4           4   Swift Global Kenya Ltd.Is an 
10798       23          1          14   Standard Bank of South Africa
 8524       22          1           5   AUCEGYPT Autonomous System
21491       22         17           2   UTL On-line is RF broadband I
33766       21          2           1   Nyala Communications Pty Ltd 

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

  ASN   No of nets  Net Savings Description
 4134      1239        1001      CHINANET-BACKBONE
18566       962         954      Covad Communications 
 9583       956         937      Sify Limited
 4755       996         930      Videsh Sanchar Nigam Ltd. Aut
 9498       853         781      BHARTI BT INTERNET LTD.
 4323      1023         732      Time Warner Telecom
11492       741         729      Cable One 
  721       980         674      DLA Systems Automation Center
22773       706         660      Cox Communications, Inc.
19262       745         559      Verizon Global Networks 
 6197      1030         551      BellSouth Network Solutions, 
 5668       533         515      CenturyTel Internet Holdings,
17488       533         515      Hathway IP Over Cable Interne
19916       565         511      OLM LLC 
  855       552         478      Canadian Research Network 
 7545       540         466      TPG Internet Pty Ltd
17676       499         436      Softbank BB Corp.
18101       454         436      Reliance Infocom Ltd Internet
 4766       740         433      Korea Telecom (KIX)
15270       464         429      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
64521   PRIVATE       130.117.124.0/24       174       Cogent Communication
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       /9:10      /10:13      /11:31      /12:106     
/13:212     /14:384     /15:760     /16:9009    /17:3479    /18:5676    
/19:12278   /20:13841   /21:12164   /22:15411   /23:16810   /24:106687  
/25:429     /26:433     /27:189     /28:66      /29:42      /30:87      
/31:0       /32:47      

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

  ASN   No of nets  Total ann.   Description
18566      945           962      Covad Communications 
 6197      809          1030      BellSouth Network Solutions, 
 7018      793          1522      AT&T WorldNet Services
 9583      783           956      Sify Limited
 2386      744          1027      AT&T Data Communications Serv
11492      729           741      Cable One 
 7011      572           667      Citizens Utilities 
19916      559           565      OLM LLC 
 4766      549           740      Korea Telecom (KIX)
 9498      509           853      BHARTI BT INTERNET LTD.
15270      433           464      PaeTec.net -a division of Pae
  855      432           552      Canadian Research Network 
 4755      429           996      Videsh Sanchar Nigam Ltd. Aut
 5668      416           533      CenturyTel Internet Holdings,
17849      412           424      Telecommunications Technology
 1239      409           842      Sprint 
18101      388           454      Reliance Infocom Ltd Internet
22773      372           706      Cox Communications, Inc.
33588      370           391      Bresnan Communications, LLC. 
17488      353           533      Hathway IP Over Cable Interne

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

   4:8         8:54       12:1632     13:1        15:16       16:3      
  17:3        18:4        20:41       24:823      25:1        32:57     
  38:255      40:56       41:18       44:3        47:6        52:4      
  55:1        56:3        57:25       58:233      59:268      60:182    
  61:902      62:926      63:1894     64:3085     65:2220     66:3054   
  67:644      68:657      69:1638     70:393      71:89       72:930    
  74:79       75:7        80:824      81:682      82:597      83:396    
  84:400      85:652      86:418      87:460      88:220      89:466    
 121:34      122:14      123:1       124:377     125:641     128:149    
 129:230     130:120     131:308     132:32      133:9       134:167    
 135:51      136:178     137:97      138:224     139:51      140:523    
 141:135     142:362     143:192     144:243     145:42      146:319    
 147:136     148:360     149:174     150:114     151:121     152:76     
 153:122     154:5       155:231     156:158     157:196     158:155    
 159:174     160:98      161:85      162:218     163:168     164:231    
 165:242     166:236     167:250     168:487     169:129     170:366    
 171:11      190:207     192:5739    193:3489    194:2737    195:2069   
 196:883     198:3883    199:3321    200:4469    201:931     202:6879   
 203:7148    204:3933    205:2091    206:2433    207:2938    208:2300   
 209:3499    210:2180    211:833     212:1327    213:1437    214:377    
 215:40      216:4015    217:1153    218:337     219:257     220:795    
 221:383     222:232    

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




Discussion Communities


About Merit | Services | Network | Resources & Support | Network Research
News | Events | Contact | Site Map | Merit Network Home


Merit Network, Inc.