[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 8 18:02:40 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 09 Jun, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/06/09/0400
Analysis Summary
----------------
BGP routing table entries examined: 222590
Prefixes after maximum aggregation: 118357
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 108133
Total ASes present in the Internet Routing Table: 25395
Prefixes per ASN: 8.77
Origin-only ASes present in the Internet Routing Table: 22099
Origin ASes announcing only one prefix: 10737
Transit ASes present in the Internet Routing Table: 3296
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 6
Unregistered ASNs in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1735745632
Equivalent to 103 /8s, 117 /16s and 96 /24s
Percentage of available address space announced: 46.8
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 116738
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51714
Total APNIC prefixes after maximum aggregation: 20427
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 48661
Unique aggregates announced from the APNIC address blocks: 21409
APNIC Region origin ASes present in the Internet Routing Table: 2962
APNIC Prefixes per ASN: 16.43
APNIC Region origin ASes announcing only one prefix: 791
APNIC Region transit ASes present in the Internet Routing Table: 451
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 298436000
Equivalent to 17 /8s, 201 /16s and 197 /24s
Percentage of available APNIC address space announced: 73.9
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: 106833
Total ARIN prefixes after maximum aggregation: 62334
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78682
Unique aggregates announced from the ARIN address blocks: 30928
ARIN Region origin ASes present in the Internet Routing Table: 11618
ARIN Prefixes per ASN: 6.77
ARIN Region origin ASes announcing only one prefix: 4471
ARIN Region transit ASes present in the Internet Routing Table: 1061
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 335300224
Equivalent to 19 /8s, 252 /16s and 70 /24s
Percentage of available ARIN address space announced: 74.0
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: 46534
Total RIPE prefixes after maximum aggregation: 30344
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 43034
Unique aggregates announced from the RIPE address blocks: 28611
RIPE Region origin ASes present in the Internet Routing Table: 9746
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5161
RIPE Region transit ASes present in the Internet Routing Table: 1569
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 314733568
Equivalent to 18 /8s, 194 /16s and 116 /24s
Percentage of available RIPE address space announced: 78.2
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: 14925
Total LACNIC prefixes after maximum aggregation: 4236
LACNIC Deaggregation factor: 3.52
Prefixes being announced from the LACNIC address blocks: 12986
Unique aggregates announced from the LACNIC address blocks: 7330
LACNIC Region origin ASes present in the Internet Routing Table: 801
LACNIC Prefixes per ASN: 16.21
LACNIC Region origin ASes announcing only one prefix: 257
LACNIC Region transit ASes present in the Internet Routing Table: 142
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 39263744
Equivalent to 2 /8s, 87 /16s and 30 /24s
Percentage of available LACNIC address space announced: 58.5
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: 2574
Total AfriNIC prefixes after maximum aggregation: 1006
AfriNIC Deaggregation factor: 2.56
Prefixes being announced from the AfriNIC address blocks: 1979
Unique aggregates announced from the AfriNIC address blocks: 1198
AfriNIC Region origin ASes present in the Internet Routing Table: 191
AfriNIC Prefixes per ASN: 10.36
AfriNIC Region origin ASes announcing only one prefix: 57
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6224640
Equivalent to 0 /8s, 94 /16s and 251 /24s
Percentage of available AfriNIC address space announced: 18.6
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 1290 9977 280 CHINANET-BACKBONE
4755 1230 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1094 78 396 Sify Limited
9498 1000 469 69 BHARTI BT INTERNET LTD.
4766 786 4943 312 Korea Telecom (KIX)
23577 778 35 705 Korea Telecom (ATM-MPLS)
17488 699 46 40 Hathway IP Over Cable Interne
7545 630 142 81 TPG Internet Pty Ltd
18101 556 117 35 Reliance Infocom Ltd Internet
1221 547 1954 423 Telstra Pty Ltd
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 466 843 80 China Telecom (Shanghai)
9443 465 121 77 Primus Telecommunications
7474 410 218 269 SingTel Optus Pty Ltd
4802 406 86 145 Wantree Development
9829 363 258 15 BSNL National Internet Backbo
2907 360 1700 302 SINET Japan
17557 358 41 172 Pakistan Telecom
4837 349 4805 163 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1502 6128 992 AT&T WorldNet Services
4323 1273 1034 370 Time Warner Telecom
2386 1148 597 757 AT&T Data Communications Serv
6478 1103 362 150 AT&T Worldnet Services
11492 1075 105 23 Cable One
6197 1026 706 509 BellSouth Network Solutions,
18566 1010 288 9 Covad Communications
174 957 6777 868 Cogent Communications
701 950 6598 730 UUNET Technologies, Inc.
1239 809 2731 575 Sprint
7011 804 229 484 Citizens Utilities
20115 801 726 427 Charter Communications
19262 775 2694 206 Verizon Global Networks
209 744 3834 578 Qwest
22773 720 1892 44 Cox Communications, Inc.
5668 604 160 17 CenturyTel Internet Holdings,
7385 604 171 471 Linkport Communications
7029 596 488 80 Alltel Information Services,
852 589 1090 371 Telus Advanced Communications
855 572 253 71 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 516 1938 407 UUNET - Commercial IP service
2119 507 918 379 Telenor Internet Access
24863 351 56 35 LINKdotNET AS number
3301 311 1455 290 TeliaNet Sweden
3320 305 6018 255 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
680 261 2044 252 DFN-IP service G-WiN
3215 249 2296 95 France Telecom Transpac
8220 249 444 241 COLT Telecommunications
8708 237 416 230 Romania Data Systems S.A.
5089 221 1658 53 NTL Group Limited
3269 216 2647 74 TELECOM ITALIA
3352 216 1864 37 Ibernet, Internet Access Netw
9121 209 1441 24 TTnet Autonomous System
8551 207 197 27 Bezeq International
9116 199 136 25 Goldenlines main autonomous s
1257 198 1196 176 SWIPnet Swedish IP Network
3246 193 331 183 Song Networks
12479 187 578 6 Uni2 Autonomous System
30890 183 14 92 SC Kappa Invexim SRL
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 826 1855 210 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 368 116 63 Servicios Alestra S.A de C.V
22047 315 238 12 VTR PUNTO NET S.A.
7303 292 143 30 Telecom Argentina Stet-France
6471 268 74 32 ENTEL CHILE S.A.
14117 253 19 15 Telefonica del Sur S.A.
16814 249 21 18 NSS, S.A.
11556 231 128 4 Cable-Wireless Panama
6147 224 170 26 Telefonica Del Peru
6503 213 188 84 AVANTEL, S.A.
20299 195 23 12 NEWCOM AMERICAS
10620 191 54 19 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
14522 167 27 8 SatNet S.A.
7910 157 11 31 ANDINET ON LINE
23216 157 19 42 RAMtelecom Telecomunicaciones
21826 155 27 60 INTERCABLE
19429 152 79 41 E.T.B.
7738 146 474 22 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 279 866 220 The Internet Solution
8452 228 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 136 301 111 Tertiary Education Network
15475 136 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 119 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 77 174 73 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 48 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
8524 32 2 8 AUCEGYPT Autonomous System
33776 30 2 7 Starcomms Nigeria Limited
21280 27 4 4 Swift Global Kenya Ltd.Is an
12455 26 6 3 Jambonet Autonomous system
10798 24 2 15 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1230 1159 Videsh Sanchar Nigam Ltd. Aut
11492 1075 1052 Cable One
4134 1290 1010 CHINANET-BACKBONE
18566 1010 1001 Covad Communications
6478 1103 953 AT&T Worldnet Services
9498 1000 931 BHARTI BT INTERNET LTD.
4323 1273 903 Time Warner Telecom
9583 1094 698 Sify Limited
22773 720 676 Cox Communications, Inc.
17488 699 659 Hathway IP Over Cable Interne
8151 826 616 UniNet S.A. de C.V.
5668 604 587 CenturyTel Internet Holdings,
19262 775 569 Verizon Global Networks
7545 630 549 TPG Internet Pty Ltd
18101 556 521 Reliance Infocom Ltd Internet
6197 1026 517 BellSouth Network Solutions,
19916 568 517 OLM LLC
7029 596 516 Alltel Information Services,
15270 544 509 PaeTec.net -a division of Pae
855 572 501 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65001 PRIVATE 82.213.31.0/24 12975 PALTEL Autonomous Sy
64512 PRIVATE 193.224.185.0/24 2547 Budapest University
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
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
94.110.196.0/24 21161 Bechtle Autonomous System
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 /8:19 /9:9 /10:15 /11:34 /12:126
/13:245 /14:458 /15:885 /16:9442 /17:3995 /18:6416
/19:13601 /20:15697 /21:14128 /22:18421 /23:19542 /24:117353
/25:797 /26:826 /27:477 /28:69 /29:10 /30:13
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1093 1103 AT&T Worldnet Services
11492 1066 1075 Cable One
18566 992 1010 Covad Communications
9583 935 1094 Sify Limited
2386 849 1148 AT&T Data Communications Serv
7018 814 1502 AT&T WorldNet Services
6197 780 1026 BellSouth Network Solutions,
23577 764 778 Korea Telecom (ATM-MPLS)
7011 705 804 Citizens Utilities
9498 669 1000 BHARTI BT INTERNET LTD.
4755 626 1230 Videsh Sanchar Nigam Ltd. Aut
4766 593 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 520 1273 Time Warner Telecom
17488 520 699 Hathway IP Over Cable Interne
15270 511 544 PaeTec.net -a division of Pae
4668 498 508 LG-EDS Systems Inc.
18101 472 556 Reliance Infocom Ltd Internet
855 470 572 Canadian Research Network
5668 469 604 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:81 9:1 12:1811 15:19
16:3 17:3 18:8 20:38 24:922 25:1
32:51 33:2 38:319 40:61 41:156 44:2
47:5 52:4 55:3 56:3 57:24 58:417
59:403 60:302 61:971 62:924 63:1977 64:3118
65:2357 66:3244 67:790 68:629 69:1874 70:517
71:108 72:1335 73:1 74:501 75:261 76:51
77:235 78:2 80:824 81:805 82:657 83:380
84:419 85:819 86:341 87:466 88:276 89:896
90:7 91:354 94:1 97:6 98:3 116:111
117:32 121:160 122:540 123:109 124:823 125:943
128:281 129:225 130:134 131:367 132:52 133:9
134:193 135:38 136:185 137:81 138:142 139:70
140:480 141:170 142:373 143:233 144:292 145:43
146:319 147:122 148:399 149:143 150:137 151:158
152:92 153:125 154:4 155:254 156:152 157:186
158:158 159:158 160:107 161:92 162:228 163:184
164:450 165:399 166:241 167:285 168:506 169:120
170:403 171:16 172:1 189:59 190:642 192:5774
193:3890 194:3142 195:2234 196:916 198:3759 199:3285
200:4797 201:994 202:7340 203:7511 204:3971 205:2029
206:2331 207:2842 208:2709 209:3577 210:2469 211:967
212:1309 213:1474 214:415 215:40 216:4041 217:1147
218:354 219:381 220:963 221:406 222:262
End of report
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