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



Routing Table Report   00:00 GMT Sat 03 Nov, 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/2007/11/03

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

BGP routing table entries examined:                              244600
    Prefixes after maximum aggregation:                          122811
    Deaggregation factor:                                          1.99
    Unique aggregates announced to Internet:                     114498
Total ASes present in the Internet Routing Table:                 26690
    Prefixes per ASN:                                              9.16
Origin-only ASes present in the Internet Routing Table:           23147
Origin ASes announcing only one prefix:                           11295
Transit ASes present in the Internet Routing Table:                3543
Transit-only ASes present in the Internet Routing Table:             82
Average AS path length visible in the Internet Routing Table:       3.8
    Max AS path length visible:                                      22
    Max AS path prepend of ASN (35389)                               18
Prefixes from unregistered ASNs in the Routing Table:                39
    Unregistered ASNs in the Routing Table:                          19
Prefixes from 32-bit ASNs in the Routing Table:                       9
Special use prefixes present in the Routing Table:                    3
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1789154468
    Equivalent to 106 /8s, 164 /16s and 84 /24s
    Percentage of available address space announced:               48.3
    Percentage of allocated address space announced:               61.7
    Percentage of available address space allocated:               78.2
Total number of prefixes smaller than registry allocations:      114391

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

Prefixes being announced by APNIC Region ASes:                    59254
    Total APNIC prefixes after maximum aggregation:               20949
    APNIC Deaggregation factor:                                    2.83
Prefixes being announced from the APNIC address blocks:           56047
    Unique aggregates announced from the APNIC address blocks:    22070
APNIC Region origin ASes present in the Internet Routing Table:    3086
    APNIC Prefixes per ASN:                                       18.16
APNIC Region origin ASes announcing only one prefix:                797
APNIC Region transit ASes present in the Internet Routing Table:    475
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         22
Number of APNIC addresses announced to Internet:              324027572
    Equivalent to 19 /8s, 80 /16s and 68 /24s
    Percentage of available APNIC address space announced:         74.1

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, 114/7, 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:                    113479
    Total ARIN prefixes after maximum aggregation:                64210
    ARIN Deaggregation factor:                                     1.77
Prefixes being announced from the ARIN address blocks:            83846
    Unique aggregates announced from the ARIN address blocks:     32618
ARIN Region origin ASes present in the Internet Routing Table:    11968
    ARIN Prefixes per ASN:                                         7.01
ARIN Region origin ASes announcing only one prefix:                4610
ARIN Region transit ASes present in the Internet Routing Table:    1160
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          16
Number of ARIN addresses announced to Internet:               352162976
    Equivalent to 20 /8s, 253 /16s and 148 /24s
    Percentage of available ARIN address space announced:          77.7

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:                     50464
    Total RIPE prefixes after maximum aggregation:                31929
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            47381
    Unique aggregates announced from the RIPE address blocks:     30585
RIPE Region origin ASes present in the Internet Routing Table:    10470
    RIPE Prefixes per ASN:                                         4.53
RIPE Region origin ASes announcing only one prefix:                5543
RIPE Region transit ASes present in the Internet Routing Table:    1668
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          22
Number of RIPE addresses announced to Internet:               335705120
    Equivalent to 20 /8s, 2 /16s and 116 /24s
    Percentage of available RIPE address space announced:          77.0

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
                       40960-45055
RIPE Address Blocks    62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
                       and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   17997
    Total LACNIC prefixes after maximum aggregation:               4600
    LACNIC Deaggregation factor:                                   3.91
Prefixes being announced from the LACNIC address blocks:          15713
    Unique aggregates announced from the LACNIC address blocks:    8740
LACNIC Region origin ASes present in the Internet Routing Table:    870
    LACNIC Prefixes per ASN:                                      18.06
LACNIC Region origin ASes announcing only one prefix:               274
LACNIC Region transit ASes present in the Internet Routing Table:   155
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              45857792
    Equivalent to 2 /8s, 187 /16s and 188 /24s
    Percentage of available LACNIC address space announced:        45.6

LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks  186/7, 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                   3358
    Total AfriNIC prefixes after maximum aggregation:              1105
    AfriNIC Deaggregation factor:                                  3.04
Prefixes being announced from the AfriNIC address blocks:          2451
    Unique aggregates announced from the AfriNIC address blocks:   1404
AfriNIC Region origin ASes present in the Internet Routing Table:   213
    AfriNIC Prefixes per ASN:                                     11.51
AfriNIC Region origin ASes announcing only one prefix:               71
AfriNIC Region transit ASes present in the Internet Routing Table:   38
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              7633920
    Equivalent to 0 /8s, 116 /16s and 124 /24s
    Percentage of available AfriNIC address space announced:       22.8

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
 4538     2773       2974          36   China Education and Research 
 4134     1722      11560         302   CHINANET-BACKBONE
 4755     1435        383          67   Videsh Sanchar Nigam Ltd. Aut
 9583     1107        108          15   Sify Limited
 9498     1036        549          64   BHARTI BT INTERNET LTD.
23577      907         34         785   Korea Telecom (ATM-MPLS)
17488      874         57          69   Hathway IP Over Cable Interne
 4766      815       5473         327   Korea Telecom (KIX)
 7545      724        159         122   TPG Internet Pty Ltd
18101      609        119          53   Reliance Infocom Ltd Internet
 1221      593       1951         437   Telstra Pty Ltd
 9829      530       1312           9   BSNL National Internet Backbo
 4812      524        866          77   China Telecom (Shanghai)
 4668      520         68          10   LG-EDS Systems Inc.
17676      504      10919          64   Softbank BB Corp.
 4808      497        794         120   CNCGROUP IP network: China169
 4802      486        133         140   Wantree Development
 7474      456        202         267   SingTel Optus Pty Ltd
 9443      442        121          73   Primus Telecommunications
 9942      424         76         113   COMindico Australia

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      468       1901         382   UUNET - Commercial IP service
 8551      349        334          33   Bezeq International
 9116      334        168          28   Goldenlines main autonomous s
 3320      317       6036         263   Deutsche Telekom AG
 3301      316       1441         293   TeliaNet Sweden
 1273      283        307         107   Cable & Wireless Deutschland 
 6746      273        129         251   Dynamic Network Technologies,
 8708      273        421         244   Romania Data Systems S.A.
  680      268       2045         254   DFN-IP service G-WiN
 8866      268         62          25   Bulgarian Telecommunication C
 3215      263       2503          98   France Telecom Transpac
 8220      252        443         234   COLT Telecommunications
 8452      245        188           7   TEDATA
 5089      236       1658          54   NTL Group Limited
 3352      235       1932          41   Ibernet, Internet Access Netw
 3269      227       2934          74   TELECOM ITALIA
 3300      222        172          98   AUCS Communications Services 
 9121      213       1442          25   TTnet Autonomous System
 1257      205       1178         175   SWIPnet Swedish IP Network
 3246      196        257         184   Song Networks

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1521      10219        1016   AT&T WorldNet Services
 4323     1361       1012         361   Time Warner Telecom
 2386     1251        630         762   AT&T Data Communications Serv
11492     1162        119          49   Cable One 
 6478     1121        329         184   AT&T Worldnet Services 
 6197     1029        718         508   BellSouth Network Solutions, 
18566     1029        288           9   Covad Communications 
 7011      979        290         562   Citizens Utilities 
  174      968       6817         832   Cogent Communications
  577      934        844         211   Bell Advanced Communications 
  701      889       6566         696   UUNET Technologies, Inc. 
20115      845        772         458   Charter Communications 
 3561      808       2341         376   Savvis
22773      802       2133          54   Cox Communications, Inc.
19262      795       2845         180   Verizon Global Networks 
 3356      783      10853         400   Level 3 Communications, LLC 
 1239      776       2680         541   Sprint 
  209      703       3757         546   Qwest 
 5668      663        176          17   CenturyTel Internet Holdings,
15270      607        161          40   PaeTec.net -a division of Pae

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

  ASN   No of nets  Net Savings Description
 4134      1722        1420      CHINANET-BACKBONE
 4755      1435        1368      Videsh Sanchar Nigam Ltd. Aut
11492      1162        1113      Cable One 
 9583      1107        1092      Sify Limited
18566      1029        1020      Covad Communications 
 4323      1361        1000      Time Warner Telecom
 9498      1036         972      BHARTI BT INTERNET LTD.
 6478      1121         937      AT&T Worldnet Services 
 8151      1130         921      UniNet S.A. de C.V. 
17488       874         805      Hathway IP Over Cable Interne
22773       802         748      Cox Communications, Inc.
  577       934         723      Bell Advanced Communications 
 5668       663         646      CenturyTel Internet Holdings,
19262       795         615      Verizon Global Networks 
 7545       724         602      TPG Internet Pty Ltd
15270       607         567      PaeTec.net -a division of Pae
18101       609         556      Reliance Infocom Ltd Internet
 6517       586         552      Yipes Communications, Inc. 
19916       569         522      OLM LLC 
 6197      1029         521      BellSouth Network Solutions, 

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

Bad AS  Designation  Network              Transit AS  Description
65075   PRIVATE       65.127.220.0/23      10886       University of Maryla
65500   PRIVATE       68.87.20.0/24        36733       Comcast Cable Commun
64999   PRIVATE       78.24.120.0/23        3257       Tiscali Intl Network
64999   PRIVATE       78.24.122.0/23        3257       Tiscali Intl Network
64999   PRIVATE       78.24.124.0/24        3257       Tiscali Intl Network
64999   PRIVATE       78.24.125.0/24        3257       Tiscali Intl Network
64999   PRIVATE       78.24.126.0/24        3257       Tiscali Intl Network
64999   PRIVATE       78.24.127.0/24        3257       Tiscali Intl Network
65100   PRIVATE       80.10.250.0/24        3215       France Telecom Trans
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
65500   PRIVATE       192.239.84.0/24      10886       University of Maryla
65100   PRIVATE       193.253.152.0/24      3215       France Telecom Trans
64527   PRIVATE       194.149.115.64/28     6721       The Terminal Bar: In
64532   PRIVATE       195.22.48.64/27       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
64540   PRIVATE       195.47.75.48/28       6721       The Terminal Bar: In
64540   PRIVATE       195.47.75.64/28       6721       The Terminal Bar: In
64516   PRIVATE       195.47.88.128/25      6721       The Terminal Bar: In
65517   PRIVATE       198.32.176.0/24        293       Energy Sciences Netw
65002   PRIVATE       198.128.4.0/24         292       Energy Sciences Netw
65001   PRIVATE       198.128.15.96/27       293       Energy Sciences Netw
65002   PRIVATE       198.129.33.36/32       292       Energy Sciences Netw
65001   PRIVATE       198.129.44.28/32       293       Energy Sciences Netw
65002   PRIVATE       198.129.224.96/29      292       Energy Sciences Netw
65002   PRIVATE       198.129.252.32/30      292       Energy Sciences Netw
65002   PRIVATE       198.129.252.112/30     292       Energy Sciences Netw
65002   PRIVATE       198.129.252.116/30     292       Energy Sciences Netw
65002   PRIVATE       198.129.252.120/30     292       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
65001   PRIVATE       216.240.208.0/20      6325       Illinois Century Net
65300   PRIVATE       216.243.221.0/24     11320       Internet Express, In
65300   PRIVATE       216.243.222.0/24     11320       Internet Express, In
65300   PRIVATE       216.243.223.0/24     11320       Internet Express, In
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
172.31.46.0/24       38416     KRNIC
192.0.2.0/24          2854     RoSprint AS (Global One Russi
192.168.253.0/24      4323     Time Warner Telecom

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
172.14.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
172.15.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
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       /10:16      /11:39      /12:136     
/13:276     /14:489     /15:962     /16:9821    /17:4286    /18:6878    
/19:15014   /20:17769   /21:15974   /22:20609   /23:21398   /24:127283  
/25:937     /26:1132    /27:618     /28:282     /29:236     /30:345     
/31:0       /32:73      

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

  ASN   No of nets  Total ann.   Description
11492     1153          1162      Cable One 
 6478     1120          1121      AT&T Worldnet Services 
18566     1011          1029      Covad Communications 
 9583      945          1107      Sify Limited
 2386      941          1251      AT&T Data Communications Serv
 4538      932          2773      China Education and Research 
23577      898           907      Korea Telecom (ATM-MPLS)
 7011      866           979      Citizens Utilities 
 7018      839          1521      AT&T WorldNet Services
 4755      818          1435      Videsh Sanchar Nigam Ltd. Aut
 6197      773          1029      BellSouth Network Solutions, 
 9498      721          1036      BHARTI BT INTERNET LTD.
  577      693           934      Bell Advanced Communications 
17488      689           874      Hathway IP Over Cable Interne
 4766      606           815      Korea Telecom (KIX)
 4323      574          1361      Time Warner Telecom
15270      569           607      PaeTec.net -a division of Pae
19916      564           569      OLM LLC 
 4134      544          1722      CHINANET-BACKBONE
 6517      541           586      Yipes Communications, Inc. 

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

   4:9         8:90       12:1816     13:1        15:19       16:3      
  17:6        18:13       20:35       24:1028     32:174      33:3      
  38:358      40:64       41:382      43:6        44:2        47:8      
  52:3        55:3        56:3        57:43       58:515      59:428    
  60:385      61:1036     62:993      63:2003     64:3389     65:2434   
  66:3650     67:857      68:692      69:2011     70:481      71:120    
  72:1422     73:8        74:750      75:320      76:160      77:416    
  78:265      79:10       80:872      81:829      82:598      83:358    
  84:646      85:817      86:413      87:586      88:283      89:1019   
  90:38       91:717      92:5        96:1        97:6        98:12     
 116:423     117:209     118:42      121:338     122:637     123:205    
 124:703     125:1116    128:307     129:196     130:139     131:368    
 132:60      133:9       134:194     135:34      136:189     137:86     
 138:156     139:105     140:515     141:145     142:372     143:256    
 144:316     145:46      146:326     147:130     148:530     149:186    
 150:169     151:137     152:94      153:121     154:12      155:261    
 156:164     157:225     158:159     159:193     160:141     161:100    
 162:190     163:183     164:505     165:400     166:302     167:308    
 168:514     169:128     170:415     171:22      172:6       189:103    
 190:1209    192:5751    193:4023    194:3284    195:2553    196:994    
 198:3873    199:3226    200:5248    201:1235    202:7912    203:7864   
 204:3991    205:1999    206:2444    207:2828    208:2946    209:3640   
 210:2821    211:1205    212:1328    213:1545    214:430     215:43     
 216:4185    217:1213    218:428     219:454     220:1016    221:442    
 222:349    

End of report