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



Routing Table Report   00:00 GMT Tue 17 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/2007/07/17

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

BGP routing table entries examined:                              235336
    Prefixes after maximum aggregation:                          120151
    Deaggregation factor:                                          1.96
    Unique aggregates announced to Internet:                     108829
Total ASes present in the Internet Routing Table:                 25749
    Prefixes per ASN:                                              9.14
Origin-only ASes present in the Internet Routing Table:           22379
Origin ASes announcing only one prefix:                           10874
Transit ASes present in the Internet Routing Table:                3370
Transit-only ASes present in the Internet Routing Table:             71
Average AS path length visible in the Internet Routing Table:       3.3
    Max AS path length visible:                                      25
    Max AS path prepend of ASN (16327)                               21
Prefixes from unregistered ASNs in the Routing Table:                46
    Unregistered ASNs in the Routing Table:                          30
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:                   1739020292
    Equivalent to 103 /8s, 167 /16s and 88 /24s
    Percentage of available address space announced:               46.9
    Percentage of allocated address space announced:               62.2
    Percentage of available address space allocated:               75.5
Total number of prefixes smaller than registry allocations:      126139

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

Prefixes being announced by APNIC Region ASes:                    54136
    Total APNIC prefixes after maximum aggregation:               20457
    APNIC Deaggregation factor:                                    2.65
Prefixes being announced from the APNIC address blocks:           50895
    Unique aggregates announced from the APNIC address blocks:    20860
APNIC Region origin ASes present in the Internet Routing Table:    3019
    APNIC Prefixes per ASN:                                       16.86
APNIC Region origin ASes announcing only one prefix:                798
APNIC Region transit ASes present in the Internet Routing Table:    469
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         25
Number of APNIC addresses announced to Internet:              305070524
    Equivalent to 18 /8s, 47 /16s and 1 /24s
    Percentage of available APNIC address space announced:         75.6

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:                    114067
    Total ARIN prefixes after maximum aggregation:                63457
    ARIN Deaggregation factor:                                     1.80
Prefixes being announced from the ARIN address blocks:            84828
    Unique aggregates announced from the ARIN address blocks:     31288
ARIN Region origin ASes present in the Internet Routing Table:    11693
    ARIN Prefixes per ASN:                                         7.25
ARIN Region origin ASes announcing only one prefix:                4496
ARIN Region transit ASes present in the Internet Routing Table:    1101
Average ARIN Region AS path length visible:                         2.9
    Max ARIN Region AS path length visible:                          18
Number of ARIN addresses announced to Internet:               339194784
    Equivalent to 20 /8s, 55 /16s and 179 /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:                     48860
    Total RIPE prefixes after maximum aggregation:                30868
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            45294
    Unique aggregates announced from the RIPE address blocks:     29045
RIPE Region origin ASes present in the Internet Routing Table:     9946
    RIPE Prefixes per ASN:                                         4.55
RIPE Region origin ASes announcing only one prefix:                5253
RIPE Region transit ASes present in the Internet Routing Table:    1586
Average RIPE Region AS path length visible:                         3.4
    Max RIPE Region AS path length visible:                          24
Number of RIPE addresses announced to Internet:               322934272
    Equivalent to 19 /8s, 63 /16s and 150 /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:                   15565
    Total LACNIC prefixes after maximum aggregation:               4300
    LACNIC Deaggregation factor:                                   3.62
Prefixes being announced from the LACNIC address blocks:          13596
    Unique aggregates announced from the LACNIC address blocks:    7650
LACNIC Region origin ASes present in the Internet Routing Table:    824
    LACNIC Prefixes per ASN:                                      16.50
LACNIC Region origin ASes announcing only one prefix:               267
LACNIC Region transit ASes present in the Internet Routing Table:   146
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              40586496
    Equivalent to 2 /8s, 107 /16s and 77 /24s
    Percentage of available LACNIC address space announced:        60.5

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:                   2665
    Total AfriNIC prefixes after maximum aggregation:              1059
    AfriNIC Deaggregation factor:                                  2.52
Prefixes being announced from the AfriNIC address blocks:          2184
    Unique aggregates announced from the AfriNIC address blocks:   1280
AfriNIC Region origin ASes present in the Internet Routing Table:   195
    AfriNIC Prefixes per ASN:                                     11.20
AfriNIC Region origin ASes announcing only one prefix:               60
AfriNIC Region transit ASes present in the Internet Routing Table:   34
Average AfriNIC Region AS path length visible:                      3.6
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC addresses announced to Internet:              6317312
    Equivalent to 0 /8s, 96 /16s and 101 /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     1356      10827         287   CHINANET-BACKBONE
 4755     1278        382          71   Videsh Sanchar Nigam Ltd. Aut
 9583     1119        108          17   Sify Limited
 9498      972        533          70   BHARTI BT INTERNET LTD.
23577      933         34         798   Korea Telecom (ATM-MPLS)
 4766      786       4929         314   Korea Telecom (KIX)
17488      721         63          54   Hathway IP Over Cable Interne
 7545      690        150         110   TPG Internet Pty Ltd
 1221      592       1951         437   Telstra Pty Ltd
18101      569        117          41   Reliance Infocom Ltd Internet
 4812      524        911          94   China Telecom (Shanghai)
 4668      512         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 7474      490        218         273   SingTel Optus Pty Ltd
 9443      473        122          78   Primus Telecommunications
 9942      439         77         113   COMindico Australia
 4802      412        105         150   Wantree Development
17974      371        130          13   PT TELEKOMUNIKASI INDONESIA
 2907      365       1701         303   SINET Japan
 9829      363        258          15   BSNL National Internet Backbo

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1024       1015         312   Telenor Internet Access
  702      500       1921         401   UUNET - Commercial IP service
 5089      370       1658          53   NTL Group Limited
24863      357         56          40   LINKdotNET AS number
 8551      322        312          50   Bezeq International
 9116      315        168          25   Goldenlines main autonomous s
 3301      311       1456         291   TeliaNet Sweden
 3320      309       6034         256   Deutsche Telekom AG
 6746      281        129         257   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      250        420         239   Romania Data Systems S.A.
 3269      222       2775          74   TELECOM ITALIA
 3352      218       1864          41   Ibernet, Internet Access Netw
 9121      210       1441          24   TTnet Autonomous System
 1257      207       1195         172   SWIPnet Swedish IP Network
 3292      194       1379         174   TDC Tele Danmark
 3300      194        172          94   AUCS Communications Services 
 2856      192       2318         152   BTnet UK Regional network

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4872       6562         713   UUNET Technologies, Inc. 
 7018     1475      10162         993   AT&T WorldNet Services
 4323     1320       1021         375   Time Warner Telecom
 2386     1214        632         757   AT&T Data Communications Serv
 6478     1130        371         150   AT&T Worldnet Services 
11492     1099        107          27   Cable One 
 6197     1026        717         508   BellSouth Network Solutions, 
18566     1014        288           9   Covad Communications 
  174      961       6775         850   Cogent Communications
 7011      857        252         537   Citizens Utilities 
  705      809        476         369   UUNET Technologies, Inc. 
 1239      807       2733         574   Sprint 
20115      800        734         428   Charter Communications 
 7046      773        246         634   UUNET Technologies, Inc. 
19262      758       2755         184   Verizon Global Networks 
  209      748       3860         593   Qwest 
22773      739       1893          50   Cox Communications, Inc.
  577      665        810         205   Bell Advanced Communications 
 5668      616        169          21   CenturyTel Internet Holdings,
 7029      610        485          77   Alltel Information Services, 

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

  ASN   No of nets  Net Savings Description
 4755      1278        1207      Videsh Sanchar Nigam Ltd. Aut
 9583      1119        1102      Sify Limited
11492      1099        1072      Cable One 
 4134      1356        1069      CHINANET-BACKBONE
18566      1014        1005      Covad Communications 
 6478      1130         980      AT&T Worldnet Services 
 4323      1320         945      Time Warner Telecom
 9498       972         902      BHARTI BT INTERNET LTD.
 2119      1024         712      Telenor Internet Access
22773       739         689      Cox Communications, Inc.
17488       721         667      Hathway IP Over Cable Interne
 8151       830         634      UniNet S.A. de C.V. 
 5668       616         595      CenturyTel Internet Holdings,
 7545       690         580      TPG Internet Pty Ltd
19262       758         574      Verizon Global Networks 
 7029       610         533      Alltel Information Services, 
18101       569         528      Reliance Infocom Ltd Internet
 6517       561         525      Yipes Communications, Inc. 
15270       557         519      PaeTec.net -a division of Pae
 6197      1026         518      BellSouth Network Solutions, 

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
38347   UNALLOCATED   116.212.160.0/21      9389       BEIJING SHENZHOU GRE
38347   UNALLOCATED   116.212.168.0/21      9389       BEIJING SHENZHOU GRE
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
65517   PRIVATE       198.32.176.0/24        293       Energy Sciences Netw
65000   PRIVATE       199.133.62.0/24      10886       University of Maryla
65000   PRIVATE       199.133.63.0/24      10886       University of Maryla
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
65101   PRIVATE       203.127.145.0/24      9255       Singapore Telecom
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia Business So
65001   PRIVATE       216.240.208.0/20      6325       Illinois Century Net
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           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      /12:132     
/13:262     /14:470     /15:910     /16:9604    /17:4090    /18:6610    
/19:13857   /20:16349   /21:14663   /22:19324   /23:20531   /24:124616  
/25:1034    /26:1329    /27:577     /28:267     /29:199     /30:320     
/31:7       /32:107     

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

  ASN   No of nets  Total ann.   Description
  701     3647          4872      UUNET Technologies, Inc. 
 6478     1120          1130      AT&T Worldnet Services 
11492     1090          1099      Cable One 
18566      996          1014      Covad Communications 
 9583      952          1119      Sify Limited
23577      924           933      Korea Telecom (ATM-MPLS)
 2119      916          1024      Telenor Internet Access
 2386      905          1214      AT&T Data Communications Serv
 7018      800          1475      AT&T WorldNet Services
 6197      780          1026      BellSouth Network Solutions, 
 7011      756           857      Citizens Utilities 
 4755      672          1278      Videsh Sanchar Nigam Ltd. Aut
 9498      647           972      BHARTI BT INTERNET LTD.
 4766      590           786      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 4323      552          1320      Time Warner Telecom
17488      543           721      Hathway IP Over Cable Interne
 7046      530           773      UUNET Technologies, Inc. 
  705      529           809      UUNET Technologies, Inc. 
 6517      527           561      Yipes Communications, Inc. 

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

   4:8         7:1         8:83        9:1        12:1828     15:19     
  16:3        17:3        18:11       20:37       24:940      25:1      
  32:167      33:3        38:333      40:60       41:215      43:6      
  44:2        47:3        52:4        55:3        56:3        57:50     
  58:479      59:383      60:335      61:1001     62:935      63:3345   
  64:3246     65:3701     66:3396     67:758      68:629      69:1909   
  70:438      71:106      72:1353     73:2        74:571      75:270    
  76:75       77:283      78:19       80:839      81:820      82:718    
  83:389      84:502      85:872      86:342      87:447      88:288    
  89:920      90:7        91:420      97:6        98:4       116:251    
 117:53      121:237     122:575     123:133     124:874     125:943    
 128:289     129:224     130:140     131:363     132:54      133:9      
 134:194     135:38      136:180     137:86      138:156     139:123    
 140:496     141:173     142:397     143:234     144:297     145:45     
 146:324     147:123     148:401     149:148     150:113     151:160    
 152:92      153:127     154:3       155:255     156:153     157:214    
 158:158     159:162     160:104     161:96      162:220     163:181    
 164:474     165:411     166:294     167:290     168:511     169:120    
 170:408     171:23      172:1       189:62      190:746     192:5801   
 193:3945    194:3193    195:2311    196:1016    198:3922    199:3353   
 200:4926    201:1099    202:7440    203:7634    204:4114    205:2128   
 206:2620    207:3086    208:3359    209:3623    210:2443    211:981    
 212:1321    213:1530    214:413     215:41      216:4170    217:1159   
 218:382     219:391     220:1002    221:417     222:266    

End of report