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



Routing Table Report   00:00 GMT Wed 17 May, 2006

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

BGP routing table entries examined:                              201118
    Prefixes after maximum aggregation:                          105704
    Unique aggregates announced to Internet:                      92196
Total ASes present in the Internet Routing Table:                 22245
Origin-only ASes present in the Internet Routing Table:           19259
Origin ASes announcing only one prefix:                            9207
Transit ASes present in the Internet Routing Table:                2986
Transit-only ASes present in the Internet Routing Table:             81
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (34527)                               16
Prefixes from unregistered ASNs in the Routing Table:                28
    Unregistered ASNs in the Routing Table:                          22
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:             61
Number of addresses announced to Internet:                   2018521270
    Equivalent to 120 /8s, 80 /16s and 48 /24s
    Percentage of available address space announced:               54.5
    Percentage of allocated address space announced:               78.8
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:      102733

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

Prefixes being announced by APNIC Region ASes:                    40842
    Total APNIC prefixes after maximum aggregation:               16773
Prefixes being announced from the APNIC address blocks:           38489
    Unique aggregates announced from the APNIC address blocks:    18295
APNIC Region origin ASes present in the Internet Routing Table:    2566
APNIC Region origin ASes announcing only one prefix:                723
APNIC Region transit ASes present in the Internet Routing Table:    403
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         21
Number of APNIC addresses announced to Internet:              286192677
    Equivalent to 17 /8s, 14 /16s and 244 /24s
    Percentage of available APNIC address space announced:         89.5

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, 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:                    108150
    Total ARIN prefixes after maximum aggregation:                59180
Prefixes being announced from the ARIN address blocks:            80487
    Unique aggregates announced from the ARIN address blocks:     26479
ARIN Region origin ASes present in the Internet Routing Table:    10721
ARIN Region origin ASes announcing only one prefix:                4005
ARIN Region transit ASes present in the Internet Routing Table:    1019
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               293270049
    Equivalent to 17 /8s, 122 /16s and 242 /24s
    Percentage of available ARIN address space announced:          76.0

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
ARIN Address Blocks    24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
                       208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     38649
    Total RIPE prefixes after maximum aggregation:                25205
Prefixes being announced from the RIPE address blocks:            36053
    Unique aggregates announced from the RIPE address blocks:     23099
RIPE Region origin ASes present in the Internet Routing Table:     8030
RIPE Region origin ASes announcing only one prefix:                4200
RIPE Region transit ASes present in the Internet Routing Table:    1356
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          24
Number of RIPE addresses announced to Internet:               249520384
    Equivalent to 14 /8s, 223 /16s and 97 /24s
    Percentage of available RIPE address space announced:          78.3

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
RIPE Address Blocks    62/8, 80/5, 88/6, 193/8, 194/7, 212/7
                       and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   11309
    Total LACNIC prefixes after maximum aggregation:               3641
Prefixes being announced from the LACNIC address blocks:           9447
    Unique aggregates announced from the LACNIC address blocks:    5514
LACNIC Region origin ASes present in the Internet Routing Table:    690
LACNIC Region origin ASes announcing only one prefix:               231
LACNIC Region transit ASes present in the Internet Routing Table:   134
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC addresses announced to Internet:              26915840
    Equivalent to 1 /8s, 154 /16s and 180 /24s
    Percentage of available LACNIC address space announced:        40.1

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:                   2142
    Total AfriNIC prefixes after maximum aggregation:               905
Prefixes being announced from the AfriNIC address blocks:          1480
    Unique aggregates announced from the AfriNIC address blocks:    960
AfriNIC Region origin ASes present in the Internet Routing Table:   157
AfriNIC Region origin ASes announcing only one prefix:               48
AfriNIC Region transit ASes present in the Internet Routing Table:   26
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC addresses announced to Internet:              4094976
    Equivalent to 0 /8s, 62 /16s and 124 /24s
    Percentage of available AfriNIC address space announced:       12.2

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     1006       6462         203   CHINANET-BACKBONE
 9583      901        109          16   Sify Limited
 4755      884        259          68   Videsh Sanchar Nigam Ltd. Aut
 4538      724       2686          31   China Education and Research 
 4766      709       4436         310   Korea Telecom (KIX)
 1221      657       1556         483   Telstra Pty Ltd
 9498      562        211          66   BHARTI BT INTERNET LTD.
 7545      531        124          70   TPG Internet Pty Ltd
17488      501         31           7   Hathway IP Over Cable Interne
17676      487       7029         109   Softbank BB Corp.
 9443      450        110          81   Primus Telecommunications
 4802      383         80         174   Wantree Development
 9929      372        220          62   China Netcom Corp.
 4780      365        226          28   Digital United Inc.
 7474      363        211         230   SingTel Optus Pty Ltd
17849      351         22         113   Telecommunications Technology
18101      345         79          35   Reliance Infocom Ltd Internet
17974      341        135          19   PT TELEKOMUNIKASI INDONESIA
 2907      339       1749         313   SINET Japan
17557      335         28         166   Pakistan Telecom

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      703       1936         454   UUNET - Commercial IP service
 3215      420       1664          94   France Telecom Transpac
 3301      307       1071         293   TeliaNet Sweden
 8220      302        473         271   COLT Telecommunications
 3352      296       1628          30   Ibernet, Internet Access Netw
 3320      283       3988         238   Deutsche Telekom AG
  680      245       2025         242   DFN-IP service G-WiN
 5089      239       1659          45   NTL Group Limited
 3246      237        504         227   Song Networks
 1257      220        742         168   SWIPnet Swedish IP Network
 8708      219        276         202   Romania Data Systems S.A.
24863      210         41          10   LINKdotNET AS number
 8551      201        198          24   Bezeq International
 3269      198       2134          72   TELECOM ITALIA
 8866      180         37          16   Bulgarian Telecommunication C
 5400      174        348         140   BT Ignite European Backbone
  786      172       1778         172   The JANET IP Service
 3300      171        171          98   AUCS Communications Services 
 6830      169        765          35   UPC Distribution Services
30890      169         15          67   SC Kappa Invexim SRL

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     5061       8010         775   UUNET Technologies, Inc. 
 4323     3100        734         257   Time Warner Telecom
  705     1630        597         713   UUNET Technologies, Inc. 
 7018     1509       6204         965   AT&T WorldNet Services
 6197     1006        622         472   BellSouth Network Solutions, 
  721      996      21945         303   DLA Systems Automation Center
  174      962       5787         905   Cogent Communications
19029      951        151         110   New Edge Networks 
18566      939        272           8   Covad Communications 
 2386      880        522         679   AT&T Data Communications Serv
 1239      855       2813         604   Sprint 
 7046      848        257         706   UUNET Technologies, Inc. 
  209      705       3673         551   Qwest 
19262      704       2106         169   Verizon Global Networks 
20115      693        609         380   Charter Communications 
22773      661       1745          45   Cox Communications, Inc.
 7011      635        218         413   Citizens Utilities 
11492      632         86          23   Cable One 
 6461      618        227          84   AboveNet Communications, Inc.
  852      598       1085         384   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4323      3100        2843      Time Warner Telecom
18566       939         931      Covad Communications 
  705      1630         917      UUNET Technologies, Inc. 
 9583       901         885      Sify Limited
19029       951         841      New Edge Networks 
 4755       884         816      Videsh Sanchar Nigam Ltd. Aut
 4134      1006         803      CHINANET-BACKBONE
  721       996         693      DLA Systems Automation Center
 4538       724         693      China Education and Research 
22773       661         616      Cox Communications, Inc.
11492       632         609      Cable One 
 7018      1509         544      AT&T WorldNet Services
19262       704         535      Verizon Global Networks 
 6197      1006         534      BellSouth Network Solutions, 
 6461       618         534      AboveNet Communications, Inc.
19916       563         509      OLM LLC 
 5668       525         502      CenturyTel Internet Holdings,
 9498       562         496      BHARTI BT INTERNET LTD.
17488       501         494      Hathway IP Over Cable Interne
 8151       706         487      UniNet S.A. de C.V. 

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

Bad AS  Designation  Network              Transit AS  Description
64666   PRIVATE       2.2.2.0/24            8001       Net Access Corporati
65000   PRIVATE       64.25.139.64/29      21947       Cutthroat Communicat
65241   PRIVATE       65.90.71.0/24        10794       Bank of America 
65473   PRIVATE       66.246.179.0/24       8001       Net Access Corporati
64500   RESERVED      81.17.39.128/27      24587       AS for Internet Onli
65516   PRIVATE       84.222.96.0/22        3257       Tiscali Intl Network
65515   PRIVATE       87.251.34.0/24       12859       Business Internet Tr
65515   PRIVATE       87.251.36.0/24       12859       Business Internet Tr
65022   PRIVATE       194.252.152.0/24     12582       Sonera Solutions Dif
65022   PRIVATE       195.156.205.0/24     12582       Sonera Solutions Dif
65022   PRIVATE       195.165.56.0/24      12582       Sonera Solutions Dif
65106   PRIVATE       195.219.161.0/27      6453       Teleglobe Inc. 
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
64515   PRIVATE       203.126.13.0/25       7610       SINGAPORE ADVANCE RE
64515   PRIVATE       203.126.13.128/26     7610       SINGAPORE ADVANCE RE
65528   PRIVATE       206.210.72.64/26     17054       e-xpedient 
65010   PRIVATE       212.2.12.160/28       8190       VIATEL 
64565   PRIVATE       212.111.35.128/27     4513       PFM Communications, 
65512   PRIVATE       213.154.230.0/24     12859       Business Internet Tr
65515   PRIVATE       213.154.234.0/27     12859       Business Internet Tr
65517   PRIVATE       213.154.248.0/28     12859       Business Internet Tr
64560   PRIVATE       213.219.53.192/26     4513       PFM Communications, 
36366   UNALLOCATED   216.130.247.0/24       174       Cogent Communication
65000   PRIVATE       216.136.11.0/24      27182       Peregrine Capital Ma
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
0.0.0.0/8             3303     Swisscom Ltd
172.16.2.32/27        6325     Illinois Century Network 
172.16.2.80/28        6325     Illinois Century Network 
172.31.31.0/30        6325     Illinois Century Network 

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
2.2.2.0/24           64666     PRIVATE ASN
96.0.0.0/9            1660     ANS Communications 
96.128.0.0/9          1660     ANS Communications 
97.0.0.0/9            1660     ANS Communications 
97.128.0.0/9          1660     ANS Communications 
98.0.0.0/9            1660     ANS Communications 
98.128.0.0/9          1660     ANS Communications 
99.0.0.0/9            1660     ANS Communications 
99.128.0.0/9          1660     ANS Communications 
100.0.0.0/9           1660     ANS Communications 
100.128.0.0/9         1660     ANS Communications 
101.0.0.0/9           1660     ANS Communications 
101.128.0.0/9         1660     ANS Communications 
102.0.0.0/9           1660     ANS Communications 
102.128.0.0/9         1660     ANS Communications 
103.0.0.0/9           1660     ANS Communications 
103.128.0.0/9         1660     ANS Communications 
104.0.0.0/9           1660     ANS Communications 
104.128.0.0/9         1660     ANS Communications 
105.0.0.0/9           1660     ANS Communications 
105.128.0.0/9         1660     ANS Communications 
106.0.0.0/9           1660     ANS Communications 
106.128.0.0/9         1660     ANS Communications 
107.0.0.0/9           1660     ANS Communications 
107.128.0.0/9         1660     ANS Communications 
108.0.0.0/9           1660     ANS Communications 
108.128.0.0/9         1660     ANS Communications 
109.0.0.0/9           1660     ANS Communications 
109.128.0.0/9         1660     ANS Communications 
110.0.0.0/9           1660     ANS Communications 
110.128.0.0/9         1660     ANS Communications 
111.0.0.0/9           1660     ANS Communications 
111.128.0.0/9         1660     ANS Communications 
112.0.0.0/9           1660     ANS Communications 
112.128.0.0/9         1660     ANS Communications 
113.0.0.0/9           1660     ANS Communications 
113.128.0.0/9         1660     ANS Communications 
114.0.0.0/9           1660     ANS Communications 
114.128.0.0/9         1660     ANS Communications 
115.0.0.0/9           1660     ANS Communications 
115.128.0.0/9         1660     ANS Communications 
116.0.0.0/9           1660     ANS Communications 
116.128.0.0/9         1660     ANS Communications 
117.0.0.0/9           1660     ANS Communications 
117.128.0.0/9         1660     ANS Communications 
118.0.0.0/9           1660     ANS Communications 
118.128.0.0/9         1660     ANS Communications 
119.0.0.0/9           1660     ANS Communications 
119.128.0.0/9         1660     ANS Communications 
120.0.0.0/9           1660     ANS Communications 
120.128.0.0/9         1660     ANS Communications 
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
183.206.196.0/24      2188     FR-RENATER-ASTER
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 
192.84.205.0/24        719     LANLINK autonomous system
192.119.135.0/24       270     NASA 
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        /8:19       /9:67      /10:9       /11:28      /12:91      
/13:205     /14:355     /15:703     /16:8839    /17:3225    /18:5415    
/19:11936   /20:13611   /21:11770   /22:15231   /23:16449   /24:111064  
/25:454     /26:316     /27:304     /28:216     /29:237     /30:466     
/31:0       /32:108     

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

  ASN   No of nets  Total ann.   Description
  701     3793          5061      UUNET Technologies, Inc. 
 4323     1849          3100      Time Warner Telecom
  705     1060          1630      UUNET Technologies, Inc. 
18566      922           939      Covad Communications 
19029      882           951      New Edge Networks 
 7018      797          1509      AT&T WorldNet Services
 6197      795          1006      BellSouth Network Solutions, 
 9583      729           901      Sify Limited
11492      623           632      Cable One 
 2386      606           880      AT&T Data Communications Serv
 7046      601           848      UUNET Technologies, Inc. 
19916      557           563      OLM LLC 
 6461      545           618      AboveNet Communications, Inc.
 7011      544           635      Citizens Utilities 
 2686      528           572      IBM 
 4766      519           709      Korea Telecom (KIX)
  702      485           703      UUNET - Commercial IP service
  855      416           534      Canadian Research Network 
 5668      408           525      CenturyTel Internet Holdings,
15270      396           427      PaeTec.net -a division of Pae

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

   2:1         4:8         8:42       12:1641     13:1        15:12     
  16:3        17:3        18:4        20:43       24:745      25:1      
  30:2        32:278      38:216      40:54       41:2        44:3      
  47:6        52:4        55:1        56:3        57:47       58:156    
  59:198      60:179      61:818      62:880      63:3479     64:3541   
  65:3672     66:3623     67:649      68:678      69:1524     70:357    
  71:85       72:709      73:23       74:36       80:729      81:643    
  82:668      83:390      84:396      85:517      86:370      87:337    
  88:88       89:172     124:276     125:386     128:162     129:189    
 130:114     131:319     132:34      133:8       134:159     135:46     
 136:177     137:75      138:203     139:159     140:470     141:136    
 142:391     143:165     144:227     145:39      146:325     147:141    
 148:331     149:189     150:114     151:89      152:71      153:107    
 154:6       155:199     156:97      157:147     158:156     159:168    
 160:87      161:78      162:261     163:146     164:224     165:199    
 166:163     167:245     168:607     169:128     170:336     171:14     
 183:1       190:100     192:5860    193:3377    194:2742    195:1977   
 196:872     198:4036    199:3300    200:4436    201:939     202:6738   
 203:6975    204:4042    205:2209    206:2777    207:3543    208:2911   
 209:4176    210:2049    211:737     212:1352    213:1539    214:357    
 215:41      216:4486    217:1389    218:290     219:227     220:657    
 221:358     222:171    

End of report