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



Routing Table Report   00:00 GMT Fri 27 Apr, 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/2007/04/27/1100

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

BGP routing table entries examined:                              228474
    Prefixes after maximum aggregation:                          118778
    Deaggregation factor:                                          1.92
    Unique aggregates announced to Internet:                     105154
Total ASes present in the Internet Routing Table:                 25112
    Prefixes per ASN:                                              9.10
Origin-only ASes present in the Internet Routing Table:           21762
Origin ASes announcing only one prefix:                           10530
Transit ASes present in the Internet Routing Table:                3350
Transit-only ASes present in the Internet Routing Table:             88
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      37
    Max AS path prepend of ASN (23775)                               25
Prefixes from unregistered ASNs in the Routing Table:                47
    Unregistered ASNs in the Routing Table:                          32
Prefixes from 32-bit ASNs in the Routing Table:                       3
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1730142568
    Equivalent to 103 /8s, 31 /16s and 225 /24s
    Percentage of available address space announced:               46.7
    Percentage of allocated address space announced:               63.4
    Percentage of available address space allocated:               73.7
Total number of prefixes smaller than registry allocations:      121897

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

Prefixes being announced by APNIC Region ASes:                    51350
    Total APNIC prefixes after maximum aggregation:               20340
    APNIC Deaggregation factor:                                    2.52
Prefixes being announced from the APNIC address blocks:           48237
    Unique aggregates announced from the APNIC address blocks:    21158
APNIC Region origin ASes present in the Internet Routing Table:    2937
    APNIC Prefixes per ASN:                                       16.42
APNIC Region origin ASes announcing only one prefix:                778
APNIC Region transit ASes present in the Internet Routing Table:    456
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         29
Number of APNIC addresses announced to Internet:              292236444
    Equivalent to 17 /8s, 107 /16s and 44 /24s
    Percentage of available APNIC address space announced:         72.4

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:                    113059
    Total ARIN prefixes after maximum aggregation:                63084
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:            84258
    Unique aggregates announced from the ARIN address blocks:     30377
ARIN Region origin ASes present in the Internet Routing Table:    11532
    ARIN Prefixes per ASN:                                         7.31
ARIN Region origin ASes announcing only one prefix:                4407
ARIN Region transit ASes present in the Internet Routing Table:    1106
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          19
Number of ARIN addresses announced to Internet:               329700576
    Equivalent to 19 /8s, 166 /16s and 212 /24s
    Percentage of available ARIN address space announced:          72.8

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:                     46623
    Total RIPE prefixes after maximum aggregation:                30168
    RIPE Deaggregation factor:                                     1.55
Prefixes being announced from the RIPE address blocks:            43295
    Unique aggregates announced from the RIPE address blocks:     26741
RIPE Region origin ASes present in the Internet Routing Table:     9580
    RIPE Prefixes per ASN:                                         4.52
RIPE Region origin ASes announcing only one prefix:                5035
RIPE Region transit ASes present in the Internet Routing Table:    1565
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          37
Number of RIPE addresses announced to Internet:               305641632
    Equivalent to 18 /8s, 55 /16s and 184 /24s
    Percentage of available RIPE address space announced:          75.9

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:                   14706
    Total LACNIC prefixes after maximum aggregation:               4140
    LACNIC Deaggregation factor:                                   3.55
Prefixes being announced from the LACNIC address blocks:          12828
    Unique aggregates announced from the LACNIC address blocks:    7113
LACNIC Region origin ASes present in the Internet Routing Table:    784
    LACNIC Prefixes per ASN:                                      16.36
LACNIC Region origin ASes announcing only one prefix:               252
LACNIC Region transit ASes present in the Internet Routing Table:   142
Average LACNIC Region AS path length visible:                       5.6
    Max LACNIC Region AS path length visible:                        20
Number of LACNIC addresses announced to Internet:              38350848
    Equivalent to 2 /8s, 73 /16s and 48 /24s
    Percentage of available LACNIC address space announced:        57.1

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:                   2688
    Total AfriNIC prefixes after maximum aggregation:              1040
    AfriNIC Deaggregation factor:                                  2.58
Prefixes being announced from the AfriNIC address blocks:          2037
    Unique aggregates announced from the AfriNIC address blocks:   1186
AfriNIC Region origin ASes present in the Internet Routing Table:   190
    AfriNIC Prefixes per ASN:                                     10.72
AfriNIC Region origin ASes announcing only one prefix:               58
AfriNIC Region transit ASes present in the Internet Routing Table:   36
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              6066176
    Equivalent to 0 /8s, 92 /16s and 144 /24s
    Percentage of available AfriNIC address space announced:       18.1

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     1277       9489         272   CHINANET-BACKBONE
 4755     1201        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1098         79         380   Sify Limited
 9498      976        469          75   BHARTI BT INTERNET LTD.
 4766      782       4943         312   Korea Telecom (KIX)
23577      782         35         709   Korea Telecom (ATM-MPLS)
17488      666         43          36   Hathway IP Over Cable Interne
 1221      626       1957         467   Telstra Pty Ltd
 7545      626        142          80   TPG Internet Pty Ltd
18101      529        116          26   Reliance Infocom Ltd Internet
 4668      507         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 7474      474        217         270   SingTel Optus Pty Ltd
 4812      464        811          75   China Telecom (Shanghai)
 9443      458        115          74   Primus Telecommunications
 9942      441         77         117   COMindico Australia
 4802      361         86         148   Wantree Development
17557      359         35         171   Pakistan Telecom
 9829      358        274          14   BSNL National Internet Backbo
 4837      344       4724         158   chinanet IDC center beijing n

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119      892        926         648   Telenor Internet Access
  702      515       1925         410   UUNET - Commercial IP service
24863      342         47          30   LINKdotNET AS number
 3301      310       1455         290   TeliaNet Sweden
 3320      301       4993         249   Deutsche Telekom AG
 6746      274         95         251   Dynamic Network Technologies,
 8220      263        457         253   COLT Telecommunications
  680      255       2042         249   DFN-IP service G-WiN
 3215      240       2256          92   France Telecom Transpac
 1257      238       1180         171   SWIPnet Swedish IP Network
 8708      236        288         230   Romania Data Systems S.A.
 5089      230       1657          52   NTL Group Limited
 3269      214       2583          72   TELECOM ITALIA
 3246      213        342         202   Song Networks
 8551      208        197          27   Bezeq International
30890      205         17          95   SC Kappa Invexim SRL
 3352      201       1799          33   Ibernet, Internet Access Netw
20858      196         34           4   EgyNet
 3300      192        171          92   AUCS Communications Services 
 9116      188        134          24   Goldenlines main autonomous s

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4880       6640         721   UUNET Technologies, Inc. 
 7018     1499      10214         987   AT&T WorldNet Services
 4323     1263       1022         357   Time Warner Telecom
 2386     1127        549         759   AT&T Data Communications Serv
 6478     1089        336         149   AT&T Worldnet Services 
11492     1043        103          21   Cable One 
 6197     1035        687         502   BellSouth Network Solutions, 
18566     1001        288           9   Covad Communications 
  705      972        522         481   UUNET Technologies, Inc. 
  174      958       6792         870   Cogent Communications
 1239      824       2718         579   Sprint 
20115      821        734         431   Charter Communications 
 7046      793        263         648   UUNET Technologies, Inc. 
 7011      787        226         469   Citizens Utilities 
  209      730       3749         584   Qwest 
19262      720       2571         169   Verizon Global Networks 
22773      704       1871          40   Cox Communications, Inc.
  577      639        777         202   Bell Advanced Communications 
  721      615      21756         273   DLA Systems Automation Center
  852      610       1097         377   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4755      1201        1131      Videsh Sanchar Nigam Ltd. Aut
11492      1043        1022      Cable One 
 4134      1277        1005      CHINANET-BACKBONE
18566      1001         992      Covad Communications 
 6478      1089         940      AT&T Worldnet Services 
 4323      1263         906      Time Warner Telecom
 9498       976         901      BHARTI BT INTERNET LTD.
 8151      1073         863      UniNet S.A. de C.V. 
 9583      1098         718      Sify Limited
22773       704         664      Cox Communications, Inc.
17488       666         630      Hathway IP Over Cable Interne
 5668       595         578      CenturyTel Internet Holdings,
19262       720         551      Verizon Global Networks 
 7545       626         546      TPG Internet Pty Ltd
 6197      1035         533      BellSouth Network Solutions, 
19916       568         517      OLM LLC 
 7018      1499         512      AT&T WorldNet Services
18101       529         503      Reliance Infocom Ltd Internet
  855       568         497      Canadian Research Network 
 4668       507         497      LG-EDS Systems Inc.

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

Bad AS  Designation  Network              Transit AS  Description
65534   PRIVATE       10.11.12.0/24        10886       University of Maryla
65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
64858   PRIVATE       84.36.180.0/24       20858       EgyNet
65001   PRIVATE       85.204.69.0/24        9050       RTD-ROMTELECOM Auton
64519   PRIVATE       87.198.212.128/25    34245       Magnet Networks AS
64518   PRIVATE       125.18.63.0/24        7633       Software Technology 
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
65027   PRIVATE       135.196.97.168/29     8190       VIATEL 
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
65106   PRIVATE       195.219.161.0/27      6453       Teleglobe Inc. 
65105   PRIVATE       195.219.216.0/21      6453       Teleglobe Inc. 
65011   PRIVATE       203.116.243.0/24      4657       Starhub Internet, Si
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
65313   PRIVATE       203.184.140.0/24      9304       Hutchison Telecom (H
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
64512   PRIVATE       208.103.63.0/24      32703       Indiana Fiber Networ
65517   PRIVATE       213.154.248.0/29     12859       Business Internet Tr
65517   PRIVATE       213.154.248.8/29     12859       Business Internet Tr
22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia Business So
65019   PRIVATE       216.195.13.0/24      19034       Norcom Networks Corp
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
10.11.12.0/24        65534     *
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
223.0.0.0/8           2905     The Internetworking Company o

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:21       /9:9       /10:13      /11:34      /12:125     
/13:248     /14:450     /15:863     /16:9383    /17:3893    /18:6441    
/19:13562   /20:15492   /21:14013   /22:18429   /23:19945   /24:121942  
/25:1017    /26:1128    /27:602     /28:187     /29:168     /30:415     
/31:0       /32:94      

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

  ASN   No of nets  Total ann.   Description
  701     3658          4880      UUNET Technologies, Inc. 
 6478     1080          1089      AT&T Worldnet Services 
11492     1029          1043      Cable One 
18566      983          1001      Covad Communications 
 9583      937          1098      Sify Limited
 2386      823          1127      AT&T Data Communications Serv
 7018      811          1499      AT&T WorldNet Services
 6197      796          1035      BellSouth Network Solutions, 
 2119      794           892      Telenor Internet Access
23577      768           782      Korea Telecom (ATM-MPLS)
 7011      690           787      Citizens Utilities 
 9498      638           976      BHARTI BT INTERNET LTD.
  705      626           972      UUNET Technologies, Inc. 
 4755      595          1201      Videsh Sanchar Nigam Ltd. Aut
 4766      588           782      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 7046      543           793      UUNET Technologies, Inc. 
 4323      528          1263      Time Warner Telecom
 4668      496           507      LG-EDS Systems Inc.
15270      494           527      PaeTec.net -a division of Pae

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

   4:9         7:1         8:78        9:1        10:1        12:1816   
  15:19       16:3        17:3        18:8        20:37       24:934    
  25:1        32:174      38:299      40:57       41:125      43:6      
  44:2        47:4        52:4        55:2        56:3        57:53     
  58:366      59:370      60:271      61:937      62:1023     63:3373   
  64:3230     65:3683     66:3360     67:816      68:638      69:1839   
  70:510      71:104      72:1270     73:1        74:432      75:258    
  76:37       77:164      80:873      81:812      82:715      83:400    
  84:414      85:794      86:372      87:459      88:254      89:782    
  90:21       91:271      97:6       116:43      121:177     122:523    
 123:85      124:789     125:933     128:273     129:219     130:122    
 131:350     132:52      133:10      134:193     135:39      136:180    
 137:84      138:195     139:116     140:482     141:168     142:394    
 143:210     144:290     145:43      146:322     147:149     148:374    
 149:146     150:115     151:145     152:94      153:120     154:5      
 155:252     156:154     157:184     158:161     159:155     160:104    
 161:91      162:236     163:146     164:462     165:409     166:233    
 167:275     168:493     169:120     170:399     171:15      172:1      
 189:312     190:591     192:5817    193:3815    194:3119    195:2280   
 196:1011    198:3877    199:3381    200:4708    201:957     202:7259   
 203:7484    204:4084    205:2210    206:2601    207:3165    208:3283   
 209:3754    210:2483    211:976     212:1340    213:1494    214:407    
 215:41      216:4180    217:1137    218:373     219:363     220:945    
 221:400     222:270    

End of report