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



Routing Table Report   00:00 GMT Wed 18 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/2007/07/18

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

BGP routing table entries examined:                              235452
    Prefixes after maximum aggregation:                          120938
    Deaggregation factor:                                          1.95
    Unique aggregates announced to Internet:                     109817
Total ASes present in the Internet Routing Table:                 25741
    Prefixes per ASN:                                              9.15
Origin-only ASes present in the Internet Routing Table:           22326
Origin ASes announcing only one prefix:                           10875
Transit ASes present in the Internet Routing Table:                3415
Transit-only ASes present in the Internet Routing Table:             75
Average AS path length visible in the Internet Routing Table:       3.6
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (16327)                               21
Prefixes from unregistered ASNs in the Routing Table:                42
    Unregistered ASNs in the Routing Table:                          25
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:                   1739228228
    Equivalent to 103 /8s, 170 /16s and 132 /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:      126232

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

Prefixes being announced by APNIC Region ASes:                    54223
    Total APNIC prefixes after maximum aggregation:               20906
    APNIC Deaggregation factor:                                    2.59
Prefixes being announced from the APNIC address blocks:           50975
    Unique aggregates announced from the APNIC address blocks:    21847
APNIC Region origin ASes present in the Internet Routing Table:    3018
    APNIC Prefixes per ASN:                                       16.89
APNIC Region origin ASes announcing only one prefix:                794
APNIC Region transit ASes present in the Internet Routing Table:    465
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         26
Number of APNIC addresses announced to Internet:              304983228
    Equivalent to 18 /8s, 45 /16s and 172 /24s
    Percentage of available APNIC address space announced:         75.5

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:                    114077
    Total ARIN prefixes after maximum aggregation:                63477
    ARIN Deaggregation factor:                                     1.80
Prefixes being announced from the ARIN address blocks:            84836
    Unique aggregates announced from the ARIN address blocks:     31287
ARIN Region origin ASes present in the Internet Routing Table:    11681
    ARIN Prefixes per ASN:                                         7.26
ARIN Region origin ASes announcing only one prefix:                4495
ARIN Region transit ASes present in the Internet Routing Table:    1109
Average ARIN Region AS path length visible:                         3.1
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               339214880
    Equivalent to 20 /8s, 56 /16s and 2 /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:                     48843
    Total RIPE prefixes after maximum aggregation:                31190
    RIPE Deaggregation factor:                                     1.57
Prefixes being announced from the RIPE address blocks:            45275
    Unique aggregates announced from the RIPE address blocks:     28998
RIPE Region origin ASes present in the Internet Routing Table:     9940
    RIPE Prefixes per ASN:                                         4.55
RIPE Region origin ASes announcing only one prefix:                5257
RIPE Region transit ASes present in the Internet Routing Table:    1613
Average RIPE Region AS path length visible:                         3.7
    Max RIPE Region AS path length visible:                          24
Number of RIPE addresses announced to Internet:               323107520
    Equivalent to 19 /8s, 66 /16s and 58 /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:                   15587
    Total LACNIC prefixes after maximum aggregation:               4292
    LACNIC Deaggregation factor:                                   3.63
Prefixes being announced from the LACNIC address blocks:          13628
    Unique aggregates announced from the LACNIC address blocks:    7666
LACNIC Region origin ASes present in the Internet Routing Table:    828
    LACNIC Prefixes per ASN:                                      16.46
LACNIC Region origin ASes announcing only one prefix:               267
LACNIC Region transit ASes present in the Internet Routing Table:   144
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              40670720
    Equivalent to 2 /8s, 108 /16s and 150 /24s
    Percentage of available LACNIC address space announced:        60.6

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:                   2681
    Total AfriNIC prefixes after maximum aggregation:              1063
    AfriNIC Deaggregation factor:                                  2.52
Prefixes being announced from the AfriNIC address blocks:          2187
    Unique aggregates announced from the AfriNIC address blocks:   1286
AfriNIC Region origin ASes present in the Internet Routing Table:   198
    AfriNIC Prefixes per ASN:                                     11.05
AfriNIC Region origin ASes announcing only one prefix:               62
AfriNIC Region transit ASes present in the Internet Routing Table:   32
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              6319872
    Equivalent to 0 /8s, 96 /16s and 111 /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     1361      10827         287   CHINANET-BACKBONE
 4755     1279        382          71   Videsh Sanchar Nigam Ltd. Aut
 9583     1112         80         377   Sify Limited
 9498      972        533          70   BHARTI BT INTERNET LTD.
23577      934         34         798   Korea Telecom (ATM-MPLS)
 4766      786       4929         314   Korea Telecom (KIX)
17488      721         63          54   Hathway IP Over Cable Interne
 7545      693        150         112   TPG Internet Pty Ltd
 1221      591       1951         435   Telstra Pty Ltd
18101      572        117          41   Reliance Infocom Ltd Internet
 4812      523        913          95   China Telecom (Shanghai)
 4668      512         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 7474      487        218         271   SingTel Optus Pty Ltd
 9443      473        122          78   Primus Telecommunications
 9942      440         77         113   COMindico Australia
 4802      412        105         150   Wantree Development
 4808      370        682         123   CNCGROUP IP network: China169
 2907      367       1725         305   SINET Japan
17974      367        130          13   PT TELEKOMUNIKASI INDONESIA

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1021        939         669   Telenor Internet Access
  702      500       1921         401   UUNET - Commercial IP service
 5089      370       1658          53   NTL Group Limited
24863      358         56          40   LINKdotNET AS number
 8551      322        312          50   Bezeq International
 9116      314        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      251        444         242   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      208       1195         173   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     4870       6562         716   UUNET Technologies, Inc. 
 7018     1467      10146         983   AT&T WorldNet Services
 4323     1319       1021         374   Time Warner Telecom
 2386     1217        632         758   AT&T Data Communications Serv
 6478     1121        316         144   AT&T Worldnet Services 
11492     1100        107          27   Cable One 
 6197     1026        717         510   BellSouth Network Solutions, 
18566     1014        288           9   Covad Communications 
  174      964       6776         853   Cogent Communications
 7011      875        254         538   Citizens Utilities 
  705      808        476         368   UUNET Technologies, Inc. 
20115      801        735         429   Charter Communications 
 1239      796       2716         571   Sprint 
 7046      772        246         634   UUNET Technologies, Inc. 
19262      759       2755         185   Verizon Global Networks 
  209      743       3862         579   Qwest 
22773      740       1893          50   Cox Communications, Inc.
  577      665        810         205   Bell Advanced Communications 
 5668      618        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      1279        1208      Videsh Sanchar Nigam Ltd. Aut
 4134      1361        1074      CHINANET-BACKBONE
11492      1100        1073      Cable One 
18566      1014        1005      Covad Communications 
 6478      1121         977      AT&T Worldnet Services 
 4323      1319         945      Time Warner Telecom
 9498       972         902      BHARTI BT INTERNET LTD.
 9583      1112         735      Sify Limited
22773       740         690      Cox Communications, Inc.
17488       721         667      Hathway IP Over Cable Interne
 8151       854         648      UniNet S.A. de C.V. 
 5668       618         597      CenturyTel Internet Holdings,
 7545       693         581      TPG Internet Pty Ltd
19262       759         574      Verizon Global Networks 
 7029       613         534      Alltel Information Services, 
18101       572         531      Reliance Infocom Ltd Internet
 6517       561         524      Yipes Communications, Inc. 
15270       557         519      PaeTec.net -a division of Pae
19916       568         517      OLM LLC 
 6197      1026         516      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
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
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
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
64516   PRIVATE       209.43.37.0/24        7332       IQuest Internet 
22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia Business So
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     
/13:261     /14:470     /15:911     /16:9600    /17:4090    /18:6609    
/19:13868   /20:16359   /21:14681   /22:19355   /23:20570   /24:124639  
/25:1032    /26:1329    /27:578     /28:264     /29:198     /30:319     
/31:7       /32:102     

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

  ASN   No of nets  Total ann.   Description
  701     3651          4870      UUNET Technologies, Inc. 
 6478     1120          1121      AT&T Worldnet Services 
11492     1091          1100      Cable One 
18566      996          1014      Covad Communications 
 9583      954          1112      Sify Limited
23577      925           934      Korea Telecom (ATM-MPLS)
 2119      916          1021      Telenor Internet Access
 2386      906          1217      AT&T Data Communications Serv
 7018      798          1467      AT&T WorldNet Services
 6197      780          1026      BellSouth Network Solutions, 
 7011      774           875      Citizens Utilities 
 4755      673          1279      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          1319      Time Warner Telecom
17488      543           721      Hathway IP Over Cable Interne
 7046      530           772      UUNET Technologies, Inc. 
  705      529           808      UUNET Technologies, Inc. 
 6517      526           561      Yipes Communications, Inc. 

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

   4:8         7:1         8:83        9:1        12:1823     15:19     
  16:3        17:3        18:11       20:37       24:939      25:1      
  32:167      33:3        38:332      40:60       41:217      43:6      
  44:2        47:4        52:4        55:3        56:3        57:50     
  58:480      59:385      60:335      61:1009     62:933      63:3348   
  64:3245     65:3696     66:3394     67:760      68:627      69:1908   
  70:441      71:106      72:1349     73:2        74:572      75:270    
  76:76       77:280      78:19       80:834      81:814      82:721    
  83:385      84:513      85:869      86:336      87:448      88:288    
  89:919      90:7        91:417      97:6        98:4       116:253    
 117:61      121:237     122:576     123:129     124:875     125:944    
 128:289     129:224     130:140     131:363     132:54      133:9      
 134:195     135:38      136:185     137:86      138:156     139:123    
 140:493     141:173     142:398     143:235     144:297     145:45     
 146:324     147:122     148:401     149:146     150:113     151:160    
 152:92      153:126     154:3       155:256     156:153     157:214    
 158:158     159:162     160:104     161:96      162:221     163:181    
 164:474     165:405     166:294     167:290     168:510     169:120    
 170:413     171:23      172:1       189:64      190:749     192:5802   
 193:3936    194:3192    195:2310    196:1013    198:3920    199:3355   
 200:4936    201:1099    202:7446    203:7634    204:4108    205:2120   
 206:2620    207:3088    208:3357    209:3613    210:2439    211:1004   
 212:1327    213:1529    214:411     215:41      216:4177    217:1161   
 218:382     219:393     220:1014    221:417     222:266    

End of report