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



Routing Table Report   00:00 GMT Mon 25 Dec, 2006

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

BGP routing table entries examined:                              217265
    Prefixes after maximum aggregation:                          113869
    Unique aggregates announced to Internet:                     100218
Total ASes present in the Internet Routing Table:                 24071
Origin-only ASes present in the Internet Routing Table:           20848
Origin ASes announcing only one prefix:                           10068
Transit ASes present in the Internet Routing Table:                3223
Transit-only ASes present in the Internet Routing Table:             79
Average AS path length visible in the Internet Routing Table:       3.8
    Max AS path length visible:                                      31
    Max AS path prepend of ASN (36728)                               27
Prefixes from unregistered ASNs in the Routing Table:                22
    Unregistered ASNs in the Routing Table:                          16
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1648888936
    Equivalent to 98 /8s, 72 /16s and 12 /24s
    Percentage of available address space announced:               44.5
    Percentage of allocated address space announced:               63.1
    Percentage of available address space allocated:               70.5
Total number of prefixes smaller than registry allocations:      113297

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

Prefixes being announced by APNIC Region ASes:                    47661
    Total APNIC prefixes after maximum aggregation:               18784
Prefixes being announced from the APNIC address blocks:           45122
    Unique aggregates announced from the APNIC address blocks:    19094
APNIC Region origin ASes present in the Internet Routing Table:    2824
APNIC Region origin ASes announcing only one prefix:                793
APNIC Region transit ASes present in the Internet Routing Table:    438
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         19
Number of APNIC addresses announced to Internet:              272839808
    Equivalent to 16 /8s, 67 /16s and 52 /24s
    Percentage of available APNIC address space announced:         85.3

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:                    109432
    Total ARIN prefixes after maximum aggregation:                61819
Prefixes being announced from the ARIN address blocks:            81609
    Unique aggregates announced from the ARIN address blocks:     28719
ARIN Region origin ASes present in the Internet Routing Table:    11257
ARIN Region origin ASes announcing only one prefix:                4281
ARIN Region transit ASes present in the Internet Routing Table:    1090
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          30
Number of ARIN addresses announced to Internet:               311164384
    Equivalent to 18 /8s, 139 /16s and 253 /24s
    Percentage of available ARIN address space announced:          68.7

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:                     44090
    Total RIPE prefixes after maximum aggregation:                28315
Prefixes being announced from the RIPE address blocks:            41001
    Unique aggregates announced from the RIPE address blocks:     26250
RIPE Region origin ASes present in the Internet Routing Table:     8987
RIPE Region origin ASes announcing only one prefix:                4692
RIPE Region transit ASes present in the Internet Routing Table:    1478
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          31
Number of RIPE addresses announced to Internet:               281955712
    Equivalent to 16 /8s, 206 /16s and 77 /24s
    Percentage of available RIPE address space announced:          76.4

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
                       40960-43007
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:                   13449
    Total LACNIC prefixes after maximum aggregation:               3980
Prefixes being announced from the LACNIC address blocks:          11505
    Unique aggregates announced from the LACNIC address blocks:    6694
LACNIC Region origin ASes present in the Internet Routing Table:    753
LACNIC Region origin ASes announcing only one prefix:               249
LACNIC Region transit ASes present in the Internet Routing Table:   135
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              35481344
    Equivalent to 2 /8s, 29 /16s and 103 /24s
    Percentage of available LACNIC address space announced:        52.9

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:                   2612
    Total AfriNIC prefixes after maximum aggregation:               971
Prefixes being announced from the AfriNIC address blocks:          1863
    Unique aggregates announced from the AfriNIC address blocks:   1066
AfriNIC Region origin ASes present in the Internet Routing Table:   171
AfriNIC Region origin ASes announcing only one prefix:               53
AfriNIC Region transit ASes present in the Internet Routing Table:   32
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              5327360
    Equivalent to 0 /8s, 81 /16s and 74 /24s
    Percentage of available AfriNIC address space announced:       15.9

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     1284       8607         259   CHINANET-BACKBONE
 4755     1100        383          64   Videsh Sanchar Nigam Ltd. Aut
 9583     1053         98          64   Sify Limited
 4538      953       2910          35   China Education and Research 
 9498      894        211          64   BHARTI BT INTERNET LTD.
23577      773         34         702   KRNIC
 4766      752       4946         307   Korea Telecom (KIX)
 1221      611       1714         455   Telstra Pty Ltd
17488      565         35          21   Hathway IP Over Cable Interne
 7545      554        126          74   TPG Internet Pty Ltd
17676      503      10935          66   Softbank BB Corp.
18101      494         87          23   Reliance Infocom Ltd Internet
 9443      442        111          74   Primus Telecommunications
 9942      440         81         132   COMindico Australia
 4812      437        756          68   China Telecom (Shanghai)
17849      411         36         126   Telecommunications Technology
 4802      408         86         146   Wantree Development
 7474      382        211         237   SingTel Optus Pty Ltd
17974      373        129          12   PT TELEKOMUNIKASI INDONESIA
17557      365         35         173   Pakistan Telecom

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      545       1896         424   UUNET - Commercial IP service
 3215      393       2104          96   France Telecom Transpac
24863      385         45          15   LINKdotNET AS number
 3301      310       1199         292   TeliaNet Sweden
 3320      297       4993         245   Deutsche Telekom AG
 8220      277        474         267   COLT Telecommunications
 6746      264         93         242   Dynamic Network Technologies,
  680      253       2041         248   DFN-IP service G-WiN
 1257      249       1069         172   SWIPnet Swedish IP Network
 5089      244       1657          52   NTL Group Limited
 9116      233        134          23   Goldenlines main autonomous s
 8708      231        282         218   Romania Data Systems S.A.
 3269      210       2373          73   TELECOM ITALIA
30890      208         19          90   SC Kappa Invexim SRL
 5416      206         13           9   BATELCO-BH
 3246      205        353         192   Song Networks
 8551      199        197          24   Bezeq International
 3300      185        171          98   AUCS Communications Services 
 3352      173       1751          30   Ibernet, Internet Access Netw
12479      173        578           6   Uni2 Autonomous System

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4844       6691         755   UUNET Technologies, Inc. 
 7018     1549      10247        1005   AT&T WorldNet Services
  705     1412        553         615   UUNET Technologies, Inc. 
 2386     1111        586         734   AT&T Data Communications Serv
 4323     1054        819         295   Time Warner Telecom
 6197     1018        636         501   BellSouth Network Solutions, 
18566      983        272           8   Covad Communications 
  174      966       6809         877   Cogent Communications
11492      863         98          13   Cable One 
 1239      829       2738         577   Sprint 
 7046      803        251         658   UUNET Technologies, Inc. 
19262      788       2496         181   Verizon Global Networks 
  721      775      21875         294   DLA Systems Automation Center
20115      767        667         412   Charter Communications 
  209      709       3763         559   Qwest 
22773      709       1744          40   Cox Communications, Inc.
 7011      686        211         431   Citizens Utilities 
  852      617       1092         391   Telus Advanced Communications
  577      576        744         214   Bell Advanced Communications 
19916      567         48          57   OLM LLC 

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

  ASN   No of nets  Net Savings Description
 4755      1100        1036      Videsh Sanchar Nigam Ltd. Aut
 4134      1284        1025      CHINANET-BACKBONE
 9583      1053         989      Sify Limited
18566       983         975      Covad Communications 
 4538       953         918      China Education and Research 
11492       863         850      Cable One 
 9498       894         830      BHARTI BT INTERNET LTD.
  705      1412         797      UUNET Technologies, Inc. 
 4323      1054         759      Time Warner Telecom
22773       709         669      Cox Communications, Inc.
19262       788         607      Verizon Global Networks 
 8151       780         576      UniNet S.A. de C.V. 
 7018      1549         544      AT&T WorldNet Services
17488       565         544      Hathway IP Over Cable Interne
 5668       547         528      CenturyTel Internet Holdings,
 6197      1018         517      BellSouth Network Solutions, 
19916       567         510      OLM LLC 
11830       504         495      Instituto Costarricense de El
  721       775         481      DLA Systems Automation Center
 7545       554         480      TPG Internet Pty Ltd

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

Bad AS  Designation  Network              Transit AS  Description
64543   PRIVATE       38.103.144.0/22        174       Cogent Communication
65515   PRIVATE       87.251.34.0/24       12859       Business Internet Tr
65515   PRIVATE       87.251.36.0/24       12859       Business Internet Tr
65010   PRIVATE       135.196.7.112/29      8190       VIATEL 
65019   PRIVATE       135.196.106.208/28    8190       VIATEL 
65014   PRIVATE       135.196.176.96/27     8190       VIATEL 
65100   PRIVATE       199.85.124.0/24      26788       Enersource Telecom I
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
65010   PRIVATE       212.2.12.160/28       8190       VIATEL 
65016   PRIVATE       212.2.26.64/29        8190       VIATEL 
65016   PRIVATE       212.2.31.184/30       8190       VIATEL 
65515   PRIVATE       213.154.234.0/27     12859       Business Internet Tr
65517   PRIVATE       213.154.248.0/29     12859       Business Internet Tr
65517   PRIVATE       213.154.248.8/29     12859       Business Internet Tr
65018   PRIVATE       213.235.24.216/29     8190       VIATEL 
65010   PRIVATE       213.235.29.224/29     8190       VIATEL 
65013   PRIVATE       213.235.33.0/27       8190       VIATEL 
65017   PRIVATE       213.235.48.96/28      8190       VIATEL 
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
0.0.0.0/0              286     KPNQwest Backbone AS
192.0.2.0/24          2854     RoSprint AS (Global One Russi

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
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 
192.172.0.0/19         721     DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:19       /9:10      /10:13      /11:30      /12:115     
/13:240     /14:408     /15:802     /16:9144    /17:3698    /18:6018    
/19:13056   /20:14776   /21:13397   /22:17145   /23:18616   /24:117144  
/25:733     /26:535     /27:449     /28:194     /29:147     /30:473     
/31:0       /32:102     

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

  ASN   No of nets  Total ann.   Description
  701     3607          4844      UUNET Technologies, Inc. 
18566      966           983      Covad Communications 
 9583      881          1053      Sify Limited
  705      875          1412      UUNET Technologies, Inc. 
11492      849           863      Cable One 
 7018      832          1549      AT&T WorldNet Services
 2386      830          1111      AT&T Data Communications Serv
 6197      794          1018      BellSouth Network Solutions, 
23577      759           773      KRNIC
 7011      591           686      Citizens Utilities 
19916      562           567      OLM LLC 
 4766      561           752      Korea Telecom (KIX)
 7046      559           803      UUNET Technologies, Inc. 
 9498      556           894      BHARTI BT INTERNET LTD.
 4538      532           953      China Education and Research 
 4755      522          1100      Videsh Sanchar Nigam Ltd. Aut
15270      464           494      PaeTec.net -a division of Pae
  855      435           538      Canadian Research Network 
18101      428           494      Reliance Infocom Ltd Internet
 5668      419           547      CenturyTel Internet Holdings,

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

   4:9         8:61        9:1        12:1672     13:1        15:15     
  16:3        17:3        18:5        20:34       24:858      25:1      
  32:176      38:274      40:57       41:55       44:2        47:10     
  52:4        53:1        55:1        56:3        57:53       58:284    
  59:380      60:221      61:987      62:1193     63:3342     64:3310   
  65:3634     66:3192     67:713      68:658      69:1715     70:406    
  71:114      72:1104     74:121      75:49       76:16       80:831    
  81:762      82:693      83:395      84:461      85:779      86:404    
  87:458      88:255      89:718      90:1        91:108      97:1      
 121:112     122:43      123:7       124:511     125:743     128:304    
 129:219     130:132     131:316     132:49      133:11      134:177    
 135:43      136:180     137:115     138:189     139:102     140:527    
 141:134     142:368     143:213     144:263     145:67      146:322    
 147:144     148:366     149:174     150:111     151:118     152:90     
 153:118     154:6       155:247     156:149     157:154     158:166    
 159:140     160:99      161:91      162:223     163:160     164:283    
 165:236     166:243     167:283     168:484     169:123     170:377    
 171:12      172:1       189:29      190:308     192:5824    193:3654   
 194:2955    195:2305    196:1004    198:3923    199:3350    200:4568   
 201:945     202:7233    203:7302    204:4112    205:2215    206:2661   
 207:3127    208:3081    209:3718    210:2422    211:993     212:1393   
 213:1503    214:385     215:39      216:4261    217:1330    218:369    
 219:289     220:831     221:388     222:278    

End of report