[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 9 18:02:55 UTC 2007
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 10 Feb, 2007
Analysis Summary
----------------
BGP routing table entries examined: 210553
Prefixes after maximum aggregation: 113369
Deaggregation factor: 1.86
Unique aggregates announced to Internet: 102510
Total ASes present in the Internet Routing Table: 24297
Origin-only ASes present in the Internet Routing Table: 21155
Origin ASes announcing only one prefix: 10225
Transit ASes present in the Internet Routing Table: 3142
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 32
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 4
Unregistered ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1674787756
Equivalent to 99 /8s, 211 /16s and 59 /24s
Percentage of available address space announced: 45.2
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 108001
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47410
Total APNIC prefixes after maximum aggregation: 18871
APNIC Deaggregation factor: 2.51
Prefixes being announced from the APNIC address blocks: 44702
Unique aggregates announced from the APNIC address blocks: 19589
APNIC Region origin ASes present in the Internet Routing Table: 2845
APNIC Region origin ASes announcing only one prefix: 788
APNIC Region transit ASes present in the Internet Routing Table: 425
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 283353088
Equivalent to 16 /8s, 227 /16s and 160 /24s
Percentage of available APNIC address space announced: 70.2
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: 103086
Total ARIN prefixes after maximum aggregation: 61000
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 75941
Unique aggregates announced from the ARIN address blocks: 29279
ARIN Region origin ASes present in the Internet Routing Table: 11320
ARIN Region origin ASes announcing only one prefix: 4334
ARIN Region transit ASes present in the Internet Routing Table: 1049
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 317024640
Equivalent to 18 /8s, 229 /16s and 105 /24s
Percentage of available ARIN address space announced: 70.0
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, 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: 43629
Total RIPE prefixes after maximum aggregation: 28493
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 40331
Unique aggregates announced from the RIPE address blocks: 26830
RIPE Region origin ASes present in the Internet Routing Table: 9115
RIPE Region origin ASes announcing only one prefix: 4798
RIPE Region transit ASes present in the Internet Routing Table: 1464
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 289124388
Equivalent to 17 /8s, 59 /16s and 176 /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
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: 13875
Total LACNIC prefixes after maximum aggregation: 4042
LACNIC Deaggregation factor: 3.43
Prefixes being announced from the LACNIC address blocks: 11946
Unique aggregates announced from the LACNIC address blocks: 7157
LACNIC Region origin ASes present in the Internet Routing Table: 760
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: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 37378560
Equivalent to 2 /8s, 58 /16s and 90 /24s
Percentage of available LACNIC address space announced: 55.7
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: 2550
Total AfriNIC prefixes after maximum aggregation: 961
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 1837
Unique aggregates announced from the AfriNIC address blocks: 1164
AfriNIC Region origin ASes present in the Internet Routing Table: 178
AfriNIC Region origin ASes announcing only one prefix: 55
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5387776
Equivalent to 0 /8s, 82 /16s and 54 /24s
Percentage of available AfriNIC address space announced: 16.1
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 1283 8678 277 CHINANET-BACKBONE
4755 1098 383 75 Videsh Sanchar Nigam Ltd. Aut
9583 1038 109 16 Sify Limited
9498 943 467 64 BHARTI BT INTERNET LTD.
23577 776 35 703 Korea Telecom (ATM-MPLS)
4766 765 4944 313 Korea Telecom (KIX)
17488 594 39 23 Hathway IP Over Cable Interne
7545 575 126 73 TPG Internet Pty Ltd
1221 572 1682 441 Telstra Pty Ltd
18101 520 103 23 Reliance Infocom Ltd Internet
17676 503 10935 65 Softbank BB Corp.
4812 441 771 72 China Telecom (Shanghai)
9443 441 111 73 Primus Telecommunications
7474 378 215 255 SingTel Optus Pty Ltd
17849 370 35 94 Telecommunications Technology
4802 359 86 149 Wantree Development
17557 359 34 170 Pakistan Telecom
17974 346 129 14 PT TELEKOMUNIKASI INDONESIA
2907 336 1749 309 SINET Japan
4837 336 4151 148 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1502 6125 984 AT&T WorldNet Services
4323 1118 827 357 Time Warner Telecom
2386 1110 570 733 AT&T Data Communications Serv
6197 1027 652 504 BellSouth Network Solutions,
18566 988 288 9 Covad Communications
701 941 6696 747 UUNET Technologies, Inc.
174 938 6792 866 Cogent Communications
11492 938 100 16 Cable One
1239 824 2730 576 Sprint
20115 799 698 413 Charter Communications
7011 785 227 474 Citizens Utilities
19262 757 2591 178 Verizon Global Networks
22773 725 1872 41 Cox Communications, Inc.
209 718 3742 564 Qwest
721 682 21836 279 DLA Systems Automation Center
852 603 1090 391 Telus Advanced Communications
5668 575 144 16 CenturyTel Internet Holdings,
19916 568 49 54 OLM LLC
855 563 250 73 Canadian Research Network
6198 554 526 259 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1897 424 UUNET - Commercial IP service
3301 315 1199 290 TeliaNet Sweden
24863 307 45 25 LINKdotNET AS number
3320 297 4993 248 Deutsche Telekom AG
8220 270 472 262 COLT Telecommunications
6746 267 95 246 Dynamic Network Technologies,
680 257 2044 251 DFN-IP service G-WiN
8708 240 284 226 Romania Data Systems S.A.
3215 238 2224 92 France Telecom Transpac
1257 222 1100 171 SWIPnet Swedish IP Network
5416 215 14 15 BATELCO-BH
3269 212 2391 71 TELECOM ITALIA
3246 208 355 198 Song Networks
8551 201 194 29 Bezeq International
20858 197 34 3 EgyNet
3352 194 1767 31 Ibernet, Internet Access Netw
30890 187 15 91 SC Kappa Invexim SRL
3300 182 171 91 AUCS Communications Services
12479 177 578 6 Uni2 Autonomous System
786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 990 2111 204 UniNet S.A. de C.V.
11830 482 299 19 Instituto Costarricense de El
11172 343 107 82 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 307 206 11 VTR PUNTO NET S.A.
6471 253 74 30 ENTEL CHILE S.A.
7303 247 142 29 Telecom Argentina Stet-France
14117 239 16 13 Telefonica del Sur S.A.
11556 235 116 6 Cable-Wireless Panama
6147 226 182 20 Telefonica Del Peru
6503 219 175 90 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
21826 153 27 56 INTERCABLE
7910 152 11 32 ANDINET ON LINE
23216 148 19 42 RAMtelecom Telecomunicaciones
18822 145 9 10 TELEFONICA MANQUEHUE
20299 145 22 17 NEWCOM AMERICAS
19169 142 9 24 Telconet
14522 140 22 9 SatNet S.A.
19429 139 84 34 E.T.B.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 290 868 232 The Internet Solution
8452 237 60 6 TEDATA
15475 155 84 4 Nile Online
6713 144 135 11 Itissalat Al-MAGHRIB
2018 138 309 113 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
33783 114 6 5 EEPAD TISP TELECOM & INTERNET
24835 86 48 6 RAYA Telecom - Egypt
2905 79 173 72 The Internetworking Company o
2561 63 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 52 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 40 11 24 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
33766 33 2 1 Nyala Communications Pty Ltd
8524 30 2 6 AUCEGYPT Autonomous System
21280 27 4 4 Swift Global Kenya Ltd.Is an
33776 27 2 5 Starcomms Nigeria Limited
10798 23 1 14 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1098 1023 Videsh Sanchar Nigam Ltd. Aut
9583 1038 1022 Sify Limited
4134 1283 1006 CHINANET-BACKBONE
18566 988 979 Covad Communications
11492 938 922 Cable One
9498 943 879 BHARTI BT INTERNET LTD.
8151 990 786 UniNet S.A. de C.V.
4323 1118 761 Time Warner Telecom
22773 725 684 Cox Communications, Inc.
19262 757 579 Verizon Global Networks
17488 594 571 Hathway IP Over Cable Interne
5668 575 559 CenturyTel Internet Holdings,
6197 1027 523 BellSouth Network Solutions,
19916 568 514 OLM LLC
7545 575 502 TPG Internet Pty Ltd
18101 520 497 Reliance Infocom Ltd Internet
855 563 490 Canadian Research Network
15270 505 471 PaeTec.net -a division of Pae
11830 482 463 Instituto Costarricense de El
4766 765 452 Korea Telecom (KIX)
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
42.205.192.0/20 36925 Meditelecom
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
180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI
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 /8:19 /9:9 /10:13 /11:33 /12:116
/13:226 /14:422 /15:818 /16:9214 /17:3713 /18:6052
/19:13061 /20:14678 /21:13137 /22:16959 /23:17964 /24:112306
/25:689 /26:481 /27:407 /28:68 /29:43 /30:92
/31:0 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 970 988 Covad Communications
11492 924 938 Cable One
9583 866 1038 Sify Limited
2386 831 1110 AT&T Data Communications Serv
7018 810 1502 AT&T WorldNet Services
6197 795 1027 BellSouth Network Solutions,
23577 762 776 Korea Telecom (ATM-MPLS)
7011 684 785 Citizens Utilities
9498 601 943 BHARTI BT INTERNET LTD.
4766 573 765 Korea Telecom (KIX)
19916 563 568 OLM LLC
4755 508 1098 Videsh Sanchar Nigam Ltd. Aut
15270 473 505 PaeTec.net -a division of Pae
855 462 563 Canadian Research Network
18101 451 520 Reliance Infocom Ltd Internet
5668 447 575 CenturyTel Internet Holdings,
17488 416 594 Hathway IP Over Cable Interne
33588 410 432 Bresnan Communications, LLC.
4323 404 1118 Time Warner Telecom
1239 403 824 Sprint
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 6:1 7:1 8:64 9:1 12:1656
13:1 15:16 16:3 17:3 18:5 20:36
24:881 25:1 32:53 38:277 40:57 41:69
44:2 47:7 52:4 55:1 56:3 57:25
58:302 59:377 60:203 61:918 62:1020 63:1906
64:3250 65:2312 66:3111 67:720 68:652 69:1719
70:448 71:95 72:1184 73:2 74:160 75:77
77:16 80:838 81:777 82:662 83:354 84:516
85:733 86:456 87:481 88:226 89:776 90:1
91:197 97:1 116:1 117:1 118:1 119:1
120:1 121:131 122:77 123:37 124:577 125:797
128:313 129:219 130:129 131:342 132:49 133:9
134:185 135:45 136:181 137:113 138:196 139:54
140:516 141:141 142:372 143:215 144:270 145:43
146:313 147:144 148:368 149:190 150:115 151:116
152:92 153:119 154:5 155:250 156:128 157:174
158:168 159:149 160:98 161:87 162:229 163:162
164:450 165:328 166:247 167:280 168:496 169:120
170:383 171:15 172:1 189:156 190:389 192:5750
193:3695 194:2951 195:2196 196:940 198:3752 199:3280
200:4608 201:968 202:7212 203:7368 204:3954 205:2098
206:2408 207:2865 208:2456 209:3591 210:2369 211:921
212:1296 213:1406 214:399 215:39 216:4064 217:1155
218:353 219:266 220:856 221:371 222:265
End of report
Report Website: http://thyme.apnic.net
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