APNIC Home APNIC Home
Info & FAQ |  Resource services |  Training |  Meetings |  Membership |  Documents |  Whois & Search |  Internet community

You're here:  Home  Mailing Lists bgp-stats 


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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



Routing Table Report   00:00 GMT Fri 13 Jul, 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/2007/07/13

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

BGP routing table entries examined:                              234969
    Prefixes after maximum aggregation:                          120298
    Deaggregation factor:                                          1.95
    Unique aggregates announced to Internet:                     109575
Total ASes present in the Internet Routing Table:                 25753
    Prefixes per ASN:                                              9.12
Origin-only ASes present in the Internet Routing Table:           22321
Origin ASes announcing only one prefix:                           10878
Transit ASes present in the Internet Routing Table:                3432
Transit-only ASes present in the Internet Routing Table:             78
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      31
    Max AS path prepend of ASN (16327)                               21
Prefixes from unregistered ASNs in the Routing Table:                41
    Unregistered ASNs in the Routing Table:                          26
Prefixes from 32-bit ASNs in the Routing Table:                       5
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                   1737088644
    Equivalent to 103 /8s, 137 /16s and 222 /24s
    Percentage of available address space announced:               46.9
    Percentage of allocated address space announced:               62.1
    Percentage of available address space allocated:               75.5
Total number of prefixes smaller than registry allocations:      125815

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

Prefixes being announced by APNIC Region ASes:                    54003
    Total APNIC prefixes after maximum aggregation:               20799
    APNIC Deaggregation factor:                                    2.60
Prefixes being announced from the APNIC address blocks:           50767
    Unique aggregates announced from the APNIC address blocks:    21783
APNIC Region origin ASes present in the Internet Routing Table:    3017
    APNIC Prefixes per ASN:                                       16.83
APNIC Region origin ASes announcing only one prefix:                803
APNIC Region transit ASes present in the Internet Routing Table:    467
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         19
Number of APNIC addresses announced to Internet:              303518140
    Equivalent to 18 /8s, 23 /16s and 81 /24s
    Percentage of available APNIC address space announced:         75.2

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:                    113940
    Total ARIN prefixes after maximum aggregation:                63448
    ARIN Deaggregation factor:                                     1.80
Prefixes being announced from the ARIN address blocks:            84720
    Unique aggregates announced from the ARIN address blocks:     31189
ARIN Region origin ASes present in the Internet Routing Table:    11689
    ARIN Prefixes per ASN:                                         7.25
ARIN Region origin ASes announcing only one prefix:                4493
ARIN Region transit ASes present in the Internet Routing Table:    1128
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          18
Number of ARIN addresses announced to Internet:               339117984
    Equivalent to 20 /8s, 54 /16s and 135 /24s
    Percentage of available ARIN address space announced:          74.9

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

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

Prefixes being announced by RIPE Region ASes:                     48787
    Total RIPE prefixes after maximum aggregation:                30705
    RIPE Deaggregation factor:                                     1.59
Prefixes being announced from the RIPE address blocks:            45248
    Unique aggregates announced from the RIPE address blocks:     29006
RIPE Region origin ASes present in the Internet Routing Table:     9944
    RIPE Prefixes per ASN:                                         4.55
RIPE Region origin ASes announcing only one prefix:                5254
RIPE Region transit ASes present in the Internet Routing Table:    1613
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          24
Number of RIPE addresses announced to Internet:               322958208
    Equivalent to 19 /8s, 63 /16s and 243 /24s
    Percentage of available RIPE address space announced:          80.2

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, 80/5, 88/6, 92/7, 193/8, 194/7,
                       212/7 and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   15510
    Total LACNIC prefixes after maximum aggregation:               4284
    LACNIC Deaggregation factor:                                   3.62
Prefixes being announced from the LACNIC address blocks:          13559
    Unique aggregates announced from the LACNIC address blocks:    7626
LACNIC Region origin ASes present in the Internet Routing Table:    824
    LACNIC Prefixes per ASN:                                      16.46
LACNIC Region origin ASes announcing only one prefix:               266
LACNIC Region transit ASes present in the Internet Routing Table:   143
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC addresses announced to Internet:              40547328
    Equivalent to 2 /8s, 106 /16s and 180 /24s
    Percentage of available LACNIC address space announced:        60.4

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:                   2689
    Total AfriNIC prefixes after maximum aggregation:              1052
    AfriNIC Deaggregation factor:                                  2.56
Prefixes being announced from the AfriNIC address blocks:          2171
    Unique aggregates announced from the AfriNIC address blocks:   1266
AfriNIC Region origin ASes present in the Internet Routing Table:   200
    AfriNIC Prefixes per ASN:                                     10.86
AfriNIC Region origin ASes announcing only one prefix:               62
AfriNIC Region transit ASes present in the Internet Routing Table:   36
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              6300160
    Equivalent to 0 /8s, 96 /16s and 34 /24s
    Percentage of available AfriNIC address space announced:       18.8

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     1351      10507         284   CHINANET-BACKBONE
 4755     1272        382          72   Videsh Sanchar Nigam Ltd. Aut
 9583     1112         80         373   Sify Limited
 9498      964        533          68   BHARTI BT INTERNET LTD.
23577      938         34         801   Korea Telecom (ATM-MPLS)
 4766      783       4927         314   Korea Telecom (KIX)
17488      717         63          53   Hathway IP Over Cable Interne
 7545      690        150         110   TPG Internet Pty Ltd
 1221      593       1951         438   Telstra Pty Ltd
18101      564        117          39   Reliance Infocom Ltd Internet
 4812      520        903          92   China Telecom (Shanghai)
 4668      510         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 7474      487        218         271   SingTel Optus Pty Ltd
 9443      472        122          78   Primus Telecommunications
 9942      437         76         112   COMindico Australia
 4802      414        105         152   Wantree Development
17974      370        130          13   PT TELEKOMUNIKASI INDONESIA
 2907      365       1701         303   SINET Japan
 9829      362        258          14   BSNL National Internet Backbo

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1026       1063         180   Telenor Internet Access
  702      500       1921         401   UUNET - Commercial IP service
 5089      371       1658          53   NTL Group Limited
24863      357         56          36   LINKdotNET AS number
 8551      322        312          50   Bezeq International
 9116      316        168          25   Goldenlines main autonomous s
 3301      310       1455         290   TeliaNet Sweden
 3320      308       6034         255   Deutsche Telekom AG
 6746      280        129         256   Dynamic Network Technologies,
  680      265       2045         256   DFN-IP service G-WiN
 3215      255       2376          96   France Telecom Transpac
 8220      252        444         243   COLT Telecommunications
 8708      249        420         239   Romania Data Systems S.A.
 3269      221       2775          73   TELECOM ITALIA
 3352      218       1864          41   Ibernet, Internet Access Netw
 9121      210       1441          24   TTnet Autonomous System
 1257      208       1195         173   SWIPnet Swedish IP Network
 3300      194        172          94   AUCS Communications Services 
 2856      193       2318         153   BTnet UK Regional network
 3292      193       1379         173   TDC Tele Danmark

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4860       6578         711   UUNET Technologies, Inc. 
 7018     1472       6082         990   AT&T WorldNet Services
 4323     1316       1021         372   Time Warner Telecom
 2386     1211        616         753   AT&T Data Communications Serv
 6478     1128        370         172   AT&T Worldnet Services 
11492     1085        107          27   Cable One 
 6197     1028        717         509   BellSouth Network Solutions, 
18566     1014        288           9   Covad Communications 
  174      964       6775         853   Cogent Communications
 7011      851        252         537   Citizens Utilities 
 1239      810       2726         578   Sprint 
  705      809        476         369   UUNET Technologies, Inc. 
20115      799        732         427   Charter Communications 
 7046      776        263         637   UUNET Technologies, Inc. 
19262      755       2738         181   Verizon Global Networks 
  209      745       3860         578   Qwest 
22773      735       1892          46   Cox Communications, Inc.
  577      663        810         205   Bell Advanced Communications 
 5668      617        169          21   CenturyTel Internet Holdings,
 7029      613        488          79   Alltel Information Services, 

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

  ASN   No of nets  Net Savings Description
 4755      1272        1200      Videsh Sanchar Nigam Ltd. Aut
 4134      1351        1067      CHINANET-BACKBONE
11492      1085        1058      Cable One 
18566      1014        1005      Covad Communications 
 6478      1128         956      AT&T Worldnet Services 
 4323      1316         944      Time Warner Telecom
 9498       964         896      BHARTI BT INTERNET LTD.
 2119      1026         846      Telenor Internet Access
 9583      1112         739      Sify Limited
22773       735         689      Cox Communications, Inc.
17488       717         664      Hathway IP Over Cable Interne
 8151       857         650      UniNet S.A. de C.V. 
 5668       617         596      CenturyTel Internet Holdings,
 7545       690         580      TPG Internet Pty Ltd
19262       755         574      Verizon Global Networks 
 7029       613         534      Alltel Information Services, 
 6517       562         526      Yipes Communications, Inc. 
18101       564         525      Reliance Infocom Ltd Internet
 6197      1028         519      BellSouth Network Solutions, 
19916       568         517      OLM LLC 

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

Bad AS  Designation  Network              Transit AS  Description
65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
47588   UNALLOCATED   64.71.19.0/24        33544       WiLine Networks Inc.
47588   UNALLOCATED   64.71.29.0/24        33544       WiLine Networks Inc.
43185   UNALLOCATED   77.95.208.0/21       12779       ITGATE.Net
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
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
64542   PRIVATE       195.47.24.112/28      6721       The Terminal Bar: In
64542   PRIVATE       195.47.24.128/27      6721       The Terminal Bar: In
64542   PRIVATE       195.47.25.192/27      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
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
65517   PRIVATE       213.154.248.0/29     12859       Business Internet Tr
65517   PRIVATE       213.154.248.8/29     12859       Business Internet Tr
22895   UNALLOCATED   216.174.38.0/24      16810       Net2000 
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
37956   UNALLOCATED   221.123.16.0/24      38440       Mobileclusters Ltd
37956   UNALLOCATED   221.123.17.0/24      38440       Mobileclusters Ltd
37956   UNALLOCATED   221.123.18.0/24      38440       Mobileclusters Ltd

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

Prefix             Origin AS  Description
192.0.2.0/24          2854     RoSprint AS (Global One Russi

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      /12:132     
/13:260     /14:468     /15:911     /16:9595    /17:4085    /18:6606    
/19:13851   /20:16338   /21:14678   /22:19289   /23:20511   /24:124352  
/25:1032    /26:1310    /27:569     /28:268     /29:211     /30:319     
/31:2       /32:104     

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

  ASN   No of nets  Total ann.   Description
  701     3630          4860      UUNET Technologies, Inc. 
 6478     1118          1128      AT&T Worldnet Services 
11492     1076          1085      Cable One 
18566      996          1014      Covad Communications 
 9583      955          1112      Sify Limited
23577      929           938      Korea Telecom (ATM-MPLS)
 2119      916          1026      Telenor Internet Access
 2386      903          1211      AT&T Data Communications Serv
 7018      796          1472      AT&T WorldNet Services
 6197      781          1028      BellSouth Network Solutions, 
 7011      750           851      Citizens Utilities 
 4755      666          1272      Videsh Sanchar Nigam Ltd. Aut
 9498      639           964      BHARTI BT INTERNET LTD.
 4766      588           783      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 4323      551          1316      Time Warner Telecom
17488      539           717      Hathway IP Over Cable Interne
 7046      532           776      UUNET Technologies, Inc. 
  705      529           809      UUNET Technologies, Inc. 
 6517      528           562      Yipes Communications, Inc. 

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

   4:8         7:1         8:83        9:1        12:1825     15:19     
  16:3        17:3        18:11       20:37       24:934      25:1      
  32:167      33:3        38:334      40:59       41:210      43:6      
  44:2        47:3        52:4        55:3        56:3        57:53     
  58:434      59:381      60:332      61:1002     62:928      63:3344   
  64:3242     65:3699     66:3391     67:752      68:627      69:1907   
  70:440      71:106      72:1345     73:2        74:571      75:269    
  76:74       77:279      78:19       80:842      81:819      82:716    
  83:389      84:500      85:876      86:340      87:443      88:286    
  89:902      90:7        91:414      97:6        98:4       116:255    
 117:49      121:233     122:568     123:125     124:845     125:940    
 128:288     129:223     130:139     131:361     132:54      133:9      
 134:195     135:38      136:186     137:86      138:148     139:123    
 140:495     141:173     142:397     143:233     144:298     145:45     
 146:324     147:123     148:403     149:147     150:112     151:160    
 152:92      153:126     154:3       155:254     156:153     157:214    
 158:158     159:162     160:105     161:96      162:221     163:180    
 164:472     165:410     166:294     167:291     168:506     169:120    
 170:406     171:20      172:1       189:61      190:724     192:5803   
 193:3939    194:3187    195:2313    196:1009    198:3934    199:3350   
 200:4928    201:1096    202:7446    203:7642    204:4106    205:2124   
 206:2615    207:3078    208:3350    209:3633    210:2449    211:977    
 212:1323    213:1522    214:409     215:41      216:4154    217:1163   
 218:382     219:391     220:1001    221:418     222:264    

End of report