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[bgp-stats] Routing Table Report - Oregon IX view



Routing Table Report   00:00 GMT Thu 23 Aug, 2007

NB: RouteViews data includes iBGP information from some ASNs.
    Treat the information provided below appropriately.

Report Website: http://thyme.apnic.net
This report:    http://thyme.apnic.net/oix-data/2007/08/23

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

BGP routing table entries examined:                              234357
    Prefixes after maximum aggregation:                          121085
    Deaggregation factor:                                          1.94
    Unique aggregates announced to Internet:                     110531
Total ASes present in the Internet Routing Table:                 26043
    Prefixes per ASN:                                              9.00
Origin-only ASes present in the Internet Routing Table:           22569
Origin ASes announcing only one prefix:                           10996
Transit ASes present in the Internet Routing Table:                3474
Transit-only ASes present in the Internet Routing Table:             93
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      31
    Max AS path prepend of ASN (42025)                               17
Prefixes from unregistered ASNs in the Routing Table:                33
    Unregistered ASNs in the Routing Table:                          22
Prefixes from 32-bit ASNs in the Routing Table:                       6
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                   1754081092
    Equivalent to 104 /8s, 141 /16s and 39 /24s
    Percentage of available address space announced:               47.3
    Percentage of allocated address space announced:               62.0
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      124941

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

Prefixes being announced by APNIC Region ASes:                    55290
    Total APNIC prefixes after maximum aggregation:               20653
    APNIC Deaggregation factor:                                    2.68
Prefixes being announced from the APNIC address blocks:           52078
    Unique aggregates announced from the APNIC address blocks:    21186
APNIC Region origin ASes present in the Internet Routing Table:    3012
    APNIC Prefixes per ASN:                                       17.29
APNIC Region origin ASes announcing only one prefix:                800
APNIC Region transit ASes present in the Internet Routing Table:    465
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         20
Number of APNIC addresses announced to Internet:              312694452
    Equivalent to 18 /8s, 163 /16s and 86 /24s
    Percentage of available APNIC address space announced:         77.5

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, 116/6, 120/6, 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:                    110083
    Total ARIN prefixes after maximum aggregation:                63265
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:            80673
    Unique aggregates announced from the ARIN address blocks:     31843
ARIN Region origin ASes present in the Internet Routing Table:    11762
    ARIN Prefixes per ASN:                                         6.86
ARIN Region origin ASes announcing only one prefix:                4503
ARIN Region transit ASes present in the Internet Routing Table:    1139
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               342946400
    Equivalent to 20 /8s, 112 /16s and 242 /24s
    Percentage of available ARIN address space announced:          75.7

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, 96/6, 199/8, 204/6,
                       208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     49893
    Total RIPE prefixes after maximum aggregation:                31663
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            46234
    Unique aggregates announced from the RIPE address blocks:     29519
RIPE Region origin ASes present in the Internet Routing Table:    10120
    RIPE Prefixes per ASN:                                         4.57
RIPE Region origin ASes announcing only one prefix:                5348
RIPE Region transit ASes present in the Internet Routing Table:    1631
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          26
Number of RIPE addresses announced to Internet:               324461056
    Equivalent to 19 /8s, 86 /16s and 226 /24s
    Percentage of available RIPE address space announced:          74.4

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
                       40960-44031
RIPE Address Blocks    62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
                       and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   16336
    Total LACNIC prefixes after maximum aggregation:               4393
    LACNIC Deaggregation factor:                                   3.72
Prefixes being announced from the LACNIC address blocks:          14474
    Unique aggregates announced from the LACNIC address blocks:    7756
LACNIC Region origin ASes present in the Internet Routing Table:    850
    LACNIC Prefixes per ASN:                                      17.03
LACNIC Region origin ASes announcing only one prefix:               275
LACNIC Region transit ASes present in the Internet Routing Table:   147
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC addresses announced to Internet:              42038272
    Equivalent to 2 /8s, 129 /16s and 116 /24s
    Percentage of available LACNIC address space announced:        62.6

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:                   2717
    Total AfriNIC prefixes after maximum aggregation:              1099
    AfriNIC Deaggregation factor:                                  2.47
Prefixes being announced from the AfriNIC address blocks:          2312
    Unique aggregates announced from the AfriNIC address blocks:   1354
AfriNIC Region origin ASes present in the Internet Routing Table:   205
    AfriNIC Prefixes per ASN:                                     11.28
AfriNIC Region origin ASes announcing only one prefix:               70
AfriNIC Region transit ASes present in the Internet Routing Table:   33
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC addresses announced to Internet:              7450880
    Equivalent to 0 /8s, 113 /16s and 177 /24s
    Percentage of available AfriNIC address space announced:       22.2

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     1347      11142         288   CHINANET-BACKBONE
 4755     1333        383          71   Videsh Sanchar Nigam Ltd. Aut
 9583     1133        108          17   Sify Limited
 9498     1001        533          70   BHARTI BT INTERNET LTD.
23577      926         34         796   Korea Telecom (ATM-MPLS)
 9394      832       1712           7   CHINA RAILWAY Internet(CRNET)
 4766      794       5440         315   Korea Telecom (KIX)
17488      770         50          50   Hathway IP Over Cable Interne
 7545      735        159         118   TPG Internet Pty Ltd
 1221      595       1951         438   Telstra Pty Ltd
18101      592        119          48   Reliance Infocom Ltd Internet
 4812      548        968          97   China Telecom (Shanghai)
 4668      516         68          10   LG-EDS Systems Inc.
17676      503      10919          64   Softbank BB Corp.
 9443      474        122          78   Primus Telecommunications
 4808      470        760         104   CNCGROUP IP network: China169
 7474      454        216         268   SingTel Optus Pty Ltd
 4538      441       2974          34   China Education and Research 
 9942      440         77         113   COMindico Australia
 4802      431        116         155   Wantree Development

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1128        949         685   Telenor Internet Access
  702      502       1922         403   UUNET - Commercial IP service
24863      364         57          38   LINKdotNET AS number
 9116      339        168          26   Goldenlines main autonomous s
 5089      325       1658          54   NTL Group Limited
 8551      320        315          43   Bezeq International
 3301      314       1456         293   TeliaNet Sweden
 3320      313       6035         260   Deutsche Telekom AG
 1273      288        306         106   Cable & Wireless Deutschland 
 6746      288        130         264   Dynamic Network Technologies,
  680      265       2061         256   DFN-IP service G-WiN
 8708      260        420         241   Romania Data Systems S.A.
 8220      259        441         241   COLT Telecommunications
 3215      258       2424          98   France Telecom Transpac
 3352      224       1868          38   Ibernet, Internet Access Netw
 3269      221       2775          73   TELECOM ITALIA
 9121      210       1441          24   TTnet Autonomous System
 1257      205       1195         170   SWIPnet Swedish IP Network
 3300      202        172          96   AUCS Communications Services 
 3292      195       1379         175   TDC Tele Danmark

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1463      10162         984   AT&T WorldNet Services
 4323     1320       1007         372   Time Warner Telecom
 2386     1214        617         749   AT&T Data Communications Serv
 6478     1133        322         133   AT&T Worldnet Services 
11492     1133        109          33   Cable One 
 6197     1030        718         511   BellSouth Network Solutions, 
18566     1020        288           9   Covad Communications 
  174      971       6780         860   Cogent Communications
  701      944       6576         724   UUNET Technologies, Inc. 
 7011      914        261         551   Citizens Utilities 
20115      813        747         432   Charter Communications 
 1239      794       2705         562   Sprint 
19262      766       2743         185   Verizon Global Networks 
22773      758       2148          49   Cox Communications, Inc.
  209      735       3820         580   Qwest 
  577      706        813         203   Bell Advanced Communications 
 5668      628        171          24   CenturyTel Internet Holdings,
  852      591       1096         364   Telus Advanced Communications
 6517      582        163          36   Yipes Communications, Inc. 
 6198      570        614         261   BellSouth Network Solutions, 

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

  ASN   No of nets  Net Savings Description
 4755      1333        1262      Videsh Sanchar Nigam Ltd. Aut
 9583      1133        1116      Sify Limited
11492      1133        1100      Cable One 
 4134      1347        1059      CHINANET-BACKBONE
18566      1020        1011      Covad Communications 
 6478      1133        1000      AT&T Worldnet Services 
 4323      1320         948      Time Warner Telecom
 9498      1001         931      BHARTI BT INTERNET LTD.
 9394       832         825      CHINA RAILWAY Internet(CRNET)
17488       770         720      Hathway IP Over Cable Interne
22773       758         709      Cox Communications, Inc.
 8151       910         702      UniNet S.A. de C.V. 
 7545       735         617      TPG Internet Pty Ltd
 5668       628         604      CenturyTel Internet Holdings,
19262       766         581      Verizon Global Networks 
 6517       582         546      Yipes Communications, Inc. 
18101       592         544      Reliance Infocom Ltd Internet
15270       567         529      PaeTec.net -a division of Pae
 6197      1030         519      BellSouth Network Solutions, 
19916       568         517      OLM LLC 

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

Bad AS  Designation  Network              Transit AS  Description
47588   UNALLOCATED   64.71.29.0/24        33544       WiLine Networks Inc.
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
64539   PRIVATE       170.213.128.0/24      7132       SBC Internet Service
64539   PRIVATE       170.213.129.0/24      7132       SBC Internet Service
64539   PRIVATE       170.213.132.0/24      7132       SBC Internet Service
64513   PRIVATE       194.149.101.192/28    6721       The Terminal Bar: In
64527   PRIVATE       194.149.115.64/28     6721       The Terminal Bar: In
64524   PRIVATE       194.149.116.64/28     6721       The Terminal Bar: In
64514   PRIVATE       194.149.116.176/28    6721       The Terminal Bar: In
64532   PRIVATE       195.22.48.64/27       6721       The Terminal Bar: In
64526   PRIVATE       195.47.13.96/28       6721       The Terminal Bar: In
64519   PRIVATE       195.47.33.160/27      6721       The Terminal Bar: In
64519   PRIVATE       195.47.33.192/28      6721       The Terminal Bar: In
64526   PRIVATE       195.47.39.128/26      6721       The Terminal Bar: In
64513   PRIVATE       195.47.40.128/26      6721       The Terminal Bar: In
64513   PRIVATE       195.47.40.128/25      6721       The Terminal Bar: In
64513   PRIVATE       195.47.40.192/26      6721       The Terminal Bar: In
64540   PRIVATE       195.47.75.48/28       6721       The Terminal Bar: In
64516   PRIVATE       195.47.88.128/25      6721       The Terminal Bar: In
64526   PRIVATE       195.47.100.0/25       6721       The Terminal Bar: In
65000   PRIVATE       195.47.102.0/25       6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.0/26       6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.64/27      6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.96/28      6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.112/28     6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.128/25     6721       The Terminal Bar: In
64501   RESERVED      195.189.160.0/24     35041       Crystone Autonomous 
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
64512   PRIVATE       217.134.164.0/22      5428       Energis Communicatio
64512   PRIVATE       217.134.168.0/21      5428       Energis Communicatio
64512   PRIVATE       217.134.176.0/21      5428       Energis Communicatio
64512   PRIVATE       217.134.184.0/22      5428       Energis Communicatio

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

Prefix             Origin AS  Description
192.0.2.0/24           812     Rogers WAVE 

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
7.1.1.0/24            1239     Sprint 
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
172.33.1.0/24         7018     AT&T WorldNet Services
192.0.10.0/24         9498     BHARTI BT INTERNET LTD.
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 
192.153.136.0/21       721     DLA Systems Automation Center
192.172.0.0/19         721     DLA Systems Automation Center

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       /10:15      /11:36      /12:134     
/13:263     /14:472     /15:931     /16:9643    /17:4149    /18:6701    
/19:14084   /20:16639   /21:15366   /22:19555   /23:20554   /24:121924  
/25:1066    /26:1384    /27:589     /28:259     /29:188     /30:283     
/31:5       /32:90      

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

  ASN   No of nets  Total ann.   Description
 6478     1132          1133      AT&T Worldnet Services 
11492     1125          1133      Cable One 
 2119     1015          1128      Telenor Internet Access
18566     1002          1020      Covad Communications 
 9583      966          1133      Sify Limited
23577      917           926      Korea Telecom (ATM-MPLS)
 2386      908          1214      AT&T Data Communications Serv
 7011      811           914      Citizens Utilities 
 7018      808          1463      AT&T WorldNet Services
 6197      783          1030      BellSouth Network Solutions, 
 4755      719          1333      Videsh Sanchar Nigam Ltd. Aut
 9498      670          1001      BHARTI BT INTERNET LTD.
 4766      594           794      Korea Telecom (KIX)
17488      593           770      Hathway IP Over Cable Interne
19916      563           568      OLM LLC 
 4323      552          1320      Time Warner Telecom
 6517      549           582      Yipes Communications, Inc. 
15270      531           567      PaeTec.net -a division of Pae
 4668      506           516      LG-EDS Systems Inc.
18101      499           592      Reliance Infocom Ltd Internet

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

   4:8         7:1         8:88       12:1822     13:2        15:19     
  16:3        17:3        18:13       20:37       24:983      25:1      
  32:173      33:3        38:346      40:60       41:304      43:6      
  44:2        47:4        52:4        55:3        56:3        57:46     
  58:463      59:384      60:366      61:1025     62:972      63:2012   
  64:3176     65:2394     66:3400     67:786      68:652      69:1856   
  70:453      71:115      72:1384     73:2        74:634      75:302    
  76:128      77:287      78:43       80:849      81:836      82:720    
  83:390      84:569      85:871      86:341      87:488      88:287    
  89:982      90:25       91:493      97:5       116:290     117:135    
 121:267     122:577     123:154     124:670     125:988     126:1      
 128:276     129:215     130:140     131:364     132:56      133:9      
 134:198     135:34      136:189     137:81      138:149     139:122    
 140:492     141:173     142:396     143:256     144:299     145:46     
 146:325     147:123     148:404     149:144     150:112     151:159    
 152:92      153:122     154:4       155:263     156:161     157:216    
 158:158     159:171     160:113     161:99      162:187     163:181    
 164:485     165:396     166:285     167:296     168:512     169:121    
 170:389     171:22      172:2       189:69      190:973     192:5811   
 193:4009    194:3251    195:2377    196:1024    198:3904    199:3270   
 200:5135    201:1160    202:7394    203:7671    204:3954    205:1986   
 206:2459    207:2915    208:2797    209:3509    210:2470    211:1139   
 212:1340    213:1518    214:419     215:41      216:3957    217:1152   
 218:380     219:386     220:1027    221:418     222:266    

End of report