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



Routing Table Report   00:00 GMT Thu 19 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/2007/07/19

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

BGP routing table entries examined:                              235474
    Prefixes after maximum aggregation:                          121041
    Deaggregation factor:                                          1.95
    Unique aggregates announced to Internet:                     109986
Total ASes present in the Internet Routing Table:                 25783
    Prefixes per ASN:                                              9.13
Origin-only ASes present in the Internet Routing Table:           22290
Origin ASes announcing only one prefix:                           10886
Transit ASes present in the Internet Routing Table:                3493
Transit-only ASes present in the Internet Routing Table:             77
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      32
    Max AS path prepend of ASN (31258)                               21
Prefixes from unregistered ASNs in the Routing Table:                42
    Unregistered ASNs in the Routing Table:                          22
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:                   1739458820
    Equivalent to 103 /8s, 174 /16s and 9 /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:      126322

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

Prefixes being announced by APNIC Region ASes:                    54180
    Total APNIC prefixes after maximum aggregation:               20905
    APNIC Deaggregation factor:                                    2.59
Prefixes being announced from the APNIC address blocks:           50970
    Unique aggregates announced from the APNIC address blocks:    21943
APNIC Region origin ASes present in the Internet Routing Table:    3017
    APNIC Prefixes per ASN:                                       16.89
APNIC Region origin ASes announcing only one prefix:                798
APNIC Region transit ASes present in the Internet Routing Table:    468
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         27
Number of APNIC addresses announced to Internet:              305027260
    Equivalent to 18 /8s, 46 /16s and 88 /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:                    114054
    Total ARIN prefixes after maximum aggregation:                63531
    ARIN Deaggregation factor:                                     1.80
Prefixes being announced from the ARIN address blocks:            84825
    Unique aggregates announced from the ARIN address blocks:     31295
ARIN Region origin ASes present in the Internet Routing Table:    11698
    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:    1147
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               339386144
    Equivalent to 20 /8s, 58 /16s and 159 /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:                     48921
    Total RIPE prefixes after maximum aggregation:                31235
    RIPE Deaggregation factor:                                     1.57
Prefixes being announced from the RIPE address blocks:            45356
    Unique aggregates announced from the RIPE address blocks:     29048
RIPE Region origin ASes present in the Internet Routing Table:     9962
    RIPE Prefixes per ASN:                                         4.55
RIPE Region origin ASes announcing only one prefix:                5264
RIPE Region transit ASes present in the Internet Routing Table:    1636
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          32
Number of RIPE addresses announced to Internet:               323200384
    Equivalent to 19 /8s, 67 /16s and 165 /24s
    Percentage of available RIPE address space announced:          80.3

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:                   15592
    Total LACNIC prefixes after maximum aggregation:               4295
    LACNIC Deaggregation factor:                                   3.63
Prefixes being announced from the LACNIC address blocks:          13631
    Unique aggregates announced from the LACNIC address blocks:    7700
LACNIC Region origin ASes present in the Internet Routing Table:    829
    LACNIC Prefixes per ASN:                                      16.44
LACNIC Region origin ASes announcing only one prefix:               270
LACNIC Region transit ASes present in the Internet Routing Table:   144
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        20
Number of LACNIC addresses announced to Internet:              40668416
    Equivalent to 2 /8s, 108 /16s and 141 /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:                   2686
    Total AfriNIC prefixes after maximum aggregation:              1065
    AfriNIC Deaggregation factor:                                  2.52
Prefixes being announced from the AfriNIC address blocks:          2180
    Unique aggregates announced from the AfriNIC address blocks:   1277
AfriNIC Region origin ASes present in the Internet Routing Table:   199
    AfriNIC Prefixes per ASN:                                     10.95
AfriNIC Region origin ASes announcing only one prefix:               61
AfriNIC Region transit ASes present in the Internet Routing Table:   34
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              6317568
    Equivalent to 0 /8s, 96 /16s and 102 /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      10842         287   CHINANET-BACKBONE
 4755     1278        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1115         80         397   Sify Limited
 9498      973        533          70   BHARTI BT INTERNET LTD.
23577      937         34         801   Korea Telecom (ATM-MPLS)
 4766      786       4929         314   Korea Telecom (KIX)
17488      725         63          55   Hathway IP Over Cable Interne
 7545      694        150         113   TPG Internet Pty Ltd
 1221      591       1951         434   Telstra Pty Ltd
18101      573        117          41   Reliance Infocom Ltd Internet
 4812      537        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
17974      372        130          13   PT TELEKOMUNIKASI INDONESIA
 9829      363        258          15   BSNL National Internet Backbo
 4808      358        666         119   CNCGROUP IP network: China169

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1021        939         669   Telenor Internet Access
  702      500       1905         401   UUNET - Commercial IP service
 5089      373       1658          53   NTL Group Limited
24863      358         56          40   LINKdotNET AS number
 8551      322        312          50   Bezeq International
 9116      316        168          25   Goldenlines main autonomous s
 3301      312       1456         292   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
 8220      258        444         242   COLT Telecommunications
 3215      255       2376          96   France Telecom Transpac
 8708      250        420         239   Romania Data Systems S.A.
 3269      222       2775          74   TELECOM ITALIA
 3352      219       1864          41   Ibernet, Internet Access Netw
 9121      210       1441          24   TTnet Autonomous System
 1257      208       1195         173   SWIPnet Swedish IP Network
 3300      195        172          94   AUCS Communications Services 
 3292      194       1379         174   TDC Tele Danmark
 2856      192       2318         152   BTnet UK Regional network

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4842       6562         716   UUNET Technologies, Inc. 
 7018     1465       6050         988   AT&T WorldNet Services
 4323     1312       1005         368   Time Warner Telecom
 2386     1213        633         756   AT&T Data Communications Serv
 6478     1110        315         167   AT&T Worldnet Services 
11492     1101        107          27   Cable One 
 6197     1026        717         508   BellSouth Network Solutions, 
18566     1014        288           9   Covad Communications 
  174      965       6776         853   Cogent Communications
 7011      878        254         539   Citizens Utilities 
 1239      801       2717         576   Sprint 
  705      799        474         363   UUNET Technologies, Inc. 
20115      798        734         433   Charter Communications 
 7046      770        246         632   UUNET Technologies, Inc. 
19262      759       2739         184   Verizon Global Networks 
22773      741       1893          50   Cox Communications, Inc.
  209      740       3862         576   Qwest 
  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      1278        1208      Videsh Sanchar Nigam Ltd. Aut
 4134      1361        1074      CHINANET-BACKBONE
11492      1101        1074      Cable One 
18566      1014        1005      Covad Communications 
 4323      1312         944      Time Warner Telecom
 6478      1110         943      AT&T Worldnet Services 
 9498       973         903      BHARTI BT INTERNET LTD.
 9583      1115         718      Sify Limited
22773       741         691      Cox Communications, Inc.
17488       725         670      Hathway IP Over Cable Interne
 8151       855         649      UniNet S.A. de C.V. 
 5668       618         597      CenturyTel Internet Holdings,
 7545       694         581      TPG Internet Pty Ltd
19262       759         575      Verizon Global Networks 
 7029       613         534      Alltel Information Services, 
18101       573         532      Reliance Infocom Ltd Internet
 6517       567         531      Yipes Communications, Inc. 
15270       556         519      PaeTec.net -a division of Pae
 6197      1026         518      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
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          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     
/13:261     /14:470     /15:912     /16:9602    /17:4093    /18:6617    
/19:13870   /20:16353   /21:14697   /22:19352   /23:20578   /24:124655  
/25:1035    /26:1333    /27:576     /28:256     /29:193     /30:306     
/31:8       /32:97      

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

  ASN   No of nets  Total ann.   Description
  701     3621          4842      UUNET Technologies, Inc. 
 6478     1109          1110      AT&T Worldnet Services 
11492     1092          1101      Cable One 
18566      996          1014      Covad Communications 
 9583      958          1115      Sify Limited
23577      928           937      Korea Telecom (ATM-MPLS)
 2119      916          1021      Telenor Internet Access
 2386      904          1213      AT&T Data Communications Serv
 7018      795          1465      AT&T WorldNet Services
 6197      780          1026      BellSouth Network Solutions, 
 7011      777           878      Citizens Utilities 
 4755      673          1278      Videsh Sanchar Nigam Ltd. Aut
 9498      647           973      BHARTI BT INTERNET LTD.
 4766      590           786      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 4323      553          1312      Time Warner Telecom
17488      547           725      Hathway IP Over Cable Interne
 6517      533           567      Yipes Communications, Inc. 
 7046      528           770      UUNET Technologies, Inc. 
  705      527           799      UUNET Technologies, Inc. 

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

   4:8         7:1         8:83        9:1        12:1824     15:19     
  16:3        17:3        18:11       20:37       24:940      25:1      
  32:167      33:3        38:333      40:60       41:216      43:6      
  44:2        47:4        52:4        55:3        56:3        57:50     
  58:478      59:385      60:339      61:1008     62:931      63:3350   
  64:3252     65:3701     66:3390     67:761      68:628      69:1910   
  70:441      71:107      72:1350     73:2        74:574      75:257    
  76:81       77:284      78:19       80:839      81:821      82:719    
  83:387      84:551      85:869      86:342      87:449      88:288    
  89:922      90:7        91:426      97:6        98:4       116:246    
 117:61      121:239     122:576     123:129     124:877     125:948    
 128:289     129:224     130:140     131:363     132:54      133:9      
 134:193     135:38      136:186     137:86      138:156     139:123    
 140:494     141:173     142:397     143:235     144:296     145:45     
 146:324     147:122     148:402     149:145     150:113     151:161    
 152:92      153:126     154:3       155:256     156:154     157:214    
 158:158     159:164     160:103     161:96      162:221     163:181    
 164:472     165:410     166:294     167:290     168:511     169:120    
 170:413     171:23      172:1       189:64      190:754     192:5799   
 193:3933    194:3191    195:2311    196:1009    198:3915    199:3355   
 200:4938    201:1111    202:7409    203:7618    204:4105    205:2123   
 206:2620    207:3070    208:3348    209:3620    210:2440    211:1006   
 212:1328    213:1532    214:412     215:41      216:4163    217:1163   
 218:383     219:392     220:1014    221:416     222:266    

End of report