[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Sep 1 20:03:49 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 02 Sep, 2006

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

BGP routing table entries examined:                              196663
    Prefixes after maximum aggregation:                          107394
    Unique aggregates announced to Internet:                      95429
Total ASes present in the Internet Routing Table:                 23014
Origin-only ASes present in the Internet Routing Table:           20043
Origin ASes announcing only one prefix:                            9613
Transit ASes present in the Internet Routing Table:                2971
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:                 4
    Unregistered ASNs in the Routing Table:                           4
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1578761004
    Equivalent to 94 /8s, 25 /16s and 251 /24s
    Percentage of available address space announced:               42.6
    Percentage of allocated address space announced:               60.4
    Percentage of available address space allocated:               70.5
Total number of prefixes smaller than registry allocations:       98096

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

Prefixes being announced by APNIC Region ASes:                    43107
    Total APNIC prefixes after maximum aggregation:               17356
Prefixes being announced from the APNIC address blocks:           40746
    Unique aggregates announced from the APNIC address blocks:    18324
APNIC Region origin ASes present in the Internet Routing Table:    2684
APNIC Region origin ASes announcing only one prefix:                763
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:              261990496
    Equivalent to 15 /8s, 157 /16s and 168 /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:                     99336
    Total ARIN prefixes after maximum aggregation:                58944
Prefixes being announced from the ARIN address blocks:            73039
    Unique aggregates announced from the ARIN address blocks:     27557
ARIN Region origin ASes present in the Internet Routing Table:    10946
ARIN Region origin ASes announcing only one prefix:                4131
ARIN Region transit ASes present in the Internet Routing Table:    1010
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               296600064
    Equivalent to 17 /8s, 173 /16s and 194 /24s
    Percentage of available ARIN address space announced:          76.9

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:                     39576
    Total RIPE prefixes after maximum aggregation:                26409
Prefixes being announced from the RIPE address blocks:            36515
    Unique aggregates announced from the RIPE address blocks:     24624
RIPE Region origin ASes present in the Internet Routing Table:     8440
RIPE Region origin ASes announcing only one prefix:                4436
RIPE Region transit ASes present in the Internet Routing Table:    1375
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          18
Number of RIPE addresses announced to Internet:               262427332
    Equivalent to 15 /8s, 164 /16s and 82 /24s
    Percentage of available RIPE address space announced:          71.1

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:                   12375
    Total LACNIC prefixes after maximum aggregation:               3774
Prefixes being announced from the LACNIC address blocks:          10403
    Unique aggregates announced from the LACNIC address blocks:    6001
LACNIC Region origin ASes present in the Internet Routing Table:    720
LACNIC Region origin ASes announcing only one prefix:               238
LACNIC Region transit ASes present in the Internet Routing Table:   130
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC addresses announced to Internet:              32363008
    Equivalent to 1 /8s, 237 /16s and 210 /24s
    Percentage of available LACNIC address space announced:        48.2

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:                   2265
    Total AfriNIC prefixes after maximum aggregation:               911
Prefixes being announced from the AfriNIC address blocks:          1584
    Unique aggregates announced from the AfriNIC address blocks:   1000
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:                       15
Number of AfriNIC addresses announced to Internet:              4217856
    Equivalent to 0 /8s, 64 /16s and 92 /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       8125         237   CHINANET-BACKBONE
 4755      979        255          66   Videsh Sanchar Nigam Ltd. Aut
 9583      951        109          15   Sify Limited
 9498      821        211          71   BHARTI BT INTERNET LTD.
 4766      734       4436         307   Korea Telecom (KIX)
 1221      617       1780         472   Telstra Pty Ltd
 7545      537        124          72   TPG Internet Pty Ltd
17488      529         33          11   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
17849      426         31         123   Telecommunications Technology
 4802      409         84         149   Wantree Development
 4812      394        732          60   China Telecom (Shanghai)
17974      373        129          12   PT TELEKOMUNIKASI INDONESIA
17557      355         28         169   Pakistan Telecom
 2907      337       1734         312   SINET Japan
10139      329         23           6   Meridian Telekoms
 4837      321       3555         136   chinanet IDC center beijing n
 7474      291        210         226   SingTel Optus Pty Ltd

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1479       6258         953   AT&T WorldNet Services
 6197     1029        639         479   BellSouth Network Solutions, 
 4323      991        775         288   Time Warner Telecom
  721      989      21910         307   DLA Systems Automation Center
 2386      963        560         730   AT&T Data Communications Serv
18566      958        272           8   Covad Communications 
  701      955       6780         781   UUNET Technologies, Inc. 
  174      943       5770         885   Cogent Communications
 1239      846       2781         599   Sprint 
20115      740        661         387   Charter Communications 
19262      737       2276         187   Verizon Global Networks 
11492      731         90          14   Cable One 
22773      698       1744          46   Cox Communications, Inc.
  209      684       3641         540   Qwest 
 7011      668        207         422   Citizens Utilities 
  852      587       1068         383   Telus Advanced Communications
19916      563         49          54   OLM LLC 
  855      562        248          73   Canadian Research Network 
 5668      536        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      551       1944         433   UUNET - Commercial IP service
 3301      315       1186         300   TeliaNet Sweden
 3320      297       5013         242   Deutsche Telekom AG
 8220      282        471         268   COLT Telecommunications
24863      256         42          11   LINKdotNET AS number
  680      248       2041         244   DFN-IP service G-WiN
 6746      244         90         223   Dynamic Network Technologies,
 3246      230        462         220   Song Networks
 1257      220        744         167   SWIPnet Swedish IP Network
 8708      216        278         203   Romania Data Systems S.A.
 3215      204       1760          98   France Telecom Transpac
30890      203         18          83   SC Kappa Invexim SRL
 3269      202       2246          73   TELECOM ITALIA
 8551      202        182          27   Bezeq International
 6830      194        879          43   UPC Distribution Services
 5416      180         12          11   BATELCO-BH
 8866      179         37          15   Bulgarian Telecommunication C
 3300      171        171          96   AUCS Communications Services 
  786      170       1778         170   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      765       1811         227   UniNet S.A. de C.V. 
22047      454        206          11   VTR PUNTO NET S.A. 
11172      367         98          91   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
 6147      277        142          23   Telefonica Del Peru 
 6471      256         74          30   ENTEL CHILE S.A. 
14117      217         13           7   Telefonica del Sur S.A. 
 7303      183         85          28   Telecom Argentina Stet-France
 6503      181        167          84   AVANTEL, S.A. 
10481      181         72           8   Prima S.A. 
 7910      143          9          25   ANDINET ON LINE 
21826      140         18          26   INTERCABLE 
19169      136          9          26   Telconet 
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      113        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      288        803         231   The Internet Solution 
 8452      175         60           7   TEDATA
 6713      144        135          11   Itissalat Al-MAGHRIB
15475      141         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      107          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       27          8          11   MAURITIUS TELECOM
16637       25         19          23   Johnnic e-Ventures 
10798       23          1          14   Standard Bank of South Africa
12455       23          6           3   Jambonet Autonomous system
 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 

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

  ASN   No of nets  Net Savings Description
 4134      1301        1064      CHINANET-BACKBONE
18566       958         950      Covad Communications 
 9583       951         936      Sify Limited
 4755       979         913      Videsh Sanchar Nigam Ltd. Aut
 9498       821         750      BHARTI BT INTERNET LTD.
11492       731         717      Cable One 
 4323       991         703      Time Warner Telecom
  721       989         682      DLA Systems Automation Center
22773       698         652      Cox Communications, Inc.
 6197      1029         550      BellSouth Network Solutions, 
19262       737         550      Verizon Global Networks 
 8151       765         538      UniNet S.A. de C.V. 
 5668       536         518      CenturyTel Internet Holdings,
17488       529         518      Hathway IP Over Cable Interne
19916       563         509      OLM LLC 
  855       562         489      Canadian Research Network 
 7545       537         465      TPG Internet Pty Ltd
22047       454         443      VTR PUNTO NET S.A. 
17676       497         435      Softbank BB Corp.
15270       466         431      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65019   PRIVATE       63.138.117.0/24      19034       Norcom Networks Corp
65005   PRIVATE       89.187.0.0/23        39810       WiMAX Ukraine Autono
65128   PRIVATE       193.110.50.0/24      24652       Juniper Networks, Eu
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
198.18.0.0/15         8895     KACST/ISU Riyadh Autonomous S

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     /15:741     /16:8979    /17:3443    /18:5599    
/19:12179   /20:13770   /21:12065   /22:15247   /23:16470   /24:106139  
/25:418     /26:422     /27:197     /28:65      /29:42      /30:80      
/31:0       /32:47      

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

  ASN   No of nets  Total ann.   Description
18566      941           958      Covad Communications 
 6197      808          1029      BellSouth Network Solutions, 
 9583      782           951      Sify Limited
 7018      776          1479      AT&T WorldNet Services
11492      719           731      Cable One 
 2386      680           963      AT&T Data Communications Serv
 7011      573           668      Citizens Utilities 
19916      557           563      OLM LLC 
 4766      545           734      Korea Telecom (KIX)
 9498      499           821      BHARTI BT INTERNET LTD.
  855      436           562      Canadian Research Network 
15270      435           466      PaeTec.net -a division of Pae
 5668      419           536      CenturyTel Internet Holdings,
 4755      414           979      Videsh Sanchar Nigam Ltd. Aut
17849      413           426      Telecommunications Technology
 1239      406           846      Sprint 
 6517      381           414      Yipes Communications, Inc. 
18101      379           445      Reliance Infocom Ltd Internet
22773      369           698      Cox Communications, Inc.
33588      355           376      Bresnan Communications, LLC. 

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

   4:9         8:46       11:1        12:1618     13:1        15:15     
  16:3        17:3        18:4        20:41       24:818      25:1      
  32:61       38:250      40:55       41:16       44:3        47:6      
  52:4        55:1        56:3        57:26       58:208      59:257    
  60:185      61:909      62:887      63:1890     64:3076     65:2224   
  66:3038     67:646      68:650      69:1600     70:387      71:91     
  72:891      74:75       75:6        80:768      81:693      82:663    
  83:397      84:389      85:687      86:369      87:441      88:172    
  89:429     121:18      122:6       123:1       124:365     125:639    
 128:152     129:208     130:118     131:312     132:37      133:8      
 134:163     135:48      136:177     137:86      138:224     139:49     
 140:518     141:135     142:368     143:192     144:239     145:41     
 146:326     147:135     148:353     149:177     150:113     151:119    
 152:75      153:117     154:5       155:221     156:172     157:177    
 158:165     159:174     160:93      161:85      162:218     163:167    
 164:249     165:224     166:184     167:244     168:483     169:128    
 170:360     171:14      190:202     192:5708    193:3410    194:2724   
 195:2045    196:871     198:3898    199:3317    200:4632    201:1042   
 202:6807    203:7122    204:3913    205:2045    206:2424    207:2964   
 208:2276    209:3469    210:2167    211:861     212:1283    213:1432   
 214:369     215:41      216:4071    217:1125    218:338     219:259    
 220:793     221:384     222:252    

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


More information about the afnog mailing list