[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 1 18:03:33 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 02 Jun, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/06/02/0400
Analysis Summary
----------------
BGP routing table entries examined: 222527
Prefixes after maximum aggregation: 118143
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 107718
Total ASes present in the Internet Routing Table: 25331
Prefixes per ASN: 8.78
Origin-only ASes present in the Internet Routing Table: 22061
Origin ASes announcing only one prefix: 10698
Transit ASes present in the Internet Routing Table: 3270
Transit-only ASes present in the Internet Routing Table: 79
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: 4
Unregistered ASNs in the Routing Table: 6
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1727916640
Equivalent to 102 /8s, 253 /16s and 234 /24s
Percentage of available address space announced: 46.6
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 116970
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51280
Total APNIC prefixes after maximum aggregation: 20366
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 48238
Unique aggregates announced from the APNIC address blocks: 21361
APNIC Region origin ASes present in the Internet Routing Table: 2956
APNIC Prefixes per ASN: 16.32
APNIC Region origin ASes announcing only one prefix: 791
APNIC Region transit ASes present in the Internet Routing Table: 449
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 296333216
Equivalent to 17 /8s, 169 /16s and 175 /24s
Percentage of available APNIC address space announced: 73.4
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: 106864
Total ARIN prefixes after maximum aggregation: 62339
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78779
Unique aggregates announced from the ARIN address blocks: 30822
ARIN Region origin ASes present in the Internet Routing Table: 11600
ARIN Prefixes per ASN: 6.79
ARIN Region origin ASes announcing only one prefix: 4462
ARIN Region transit ASes present in the Internet Routing Table: 1055
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 334613120
Equivalent to 19 /8s, 241 /16s and 202 /24s
Percentage of available ARIN address space announced: 73.9
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: 46341
Total RIPE prefixes after maximum aggregation: 30274
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 42871
Unique aggregates announced from the RIPE address blocks: 28438
RIPE Region origin ASes present in the Internet Routing Table: 9708
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5135
RIPE Region transit ASes present in the Internet Routing Table: 1557
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 310116352
Equivalent to 18 /8s, 124 /16s and 0 /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
40960-44031
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: 15435
Total LACNIC prefixes after maximum aggregation: 4150
LACNIC Deaggregation factor: 3.72
Prefixes being announced from the LACNIC address blocks: 13551
Unique aggregates announced from the LACNIC address blocks: 7305
LACNIC Region origin ASes present in the Internet Routing Table: 798
LACNIC Prefixes per ASN: 16.98
LACNIC Region origin ASes announcing only one prefix: 256
LACNIC Region transit ASes present in the Internet Routing Table: 143
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 39014144
Equivalent to 2 /8s, 83 /16s and 79 /24s
Percentage of available LACNIC address space announced: 58.1
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: 2597
Total AfriNIC prefixes after maximum aggregation: 1002
AfriNIC Deaggregation factor: 2.59
Prefixes being announced from the AfriNIC address blocks: 1974
Unique aggregates announced from the AfriNIC address blocks: 1180
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.44
AfriNIC Region origin ASes announcing only one prefix: 54
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: 6123264
Equivalent to 0 /8s, 93 /16s and 111 /24s
Percentage of available AfriNIC address space announced: 18.2
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 1289 9975 279 CHINANET-BACKBONE
4755 1225 382 72 Videsh Sanchar Nigam Ltd. Aut
9583 1106 79 386 Sify Limited
9498 984 469 68 BHARTI BT INTERNET LTD.
4766 786 4943 312 Korea Telecom (KIX)
23577 779 35 706 Korea Telecom (ATM-MPLS)
17488 698 45 39 Hathway IP Over Cable Interne
7545 628 142 78 TPG Internet Pty Ltd
18101 554 117 35 Reliance Infocom Ltd Internet
1221 551 1954 425 Telstra Pty Ltd
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 467 121 77 Primus Telecommunications
4812 463 837 77 China Telecom (Shanghai)
7474 410 218 269 SingTel Optus Pty Ltd
4802 409 86 148 Wantree Development
9829 362 258 15 BSNL National Internet Backbo
2907 360 1700 302 SINET Japan
17557 357 41 170 Pakistan Telecom
17974 343 129 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1501 6144 992 AT&T WorldNet Services
4323 1274 1033 367 Time Warner Telecom
2386 1153 597 760 AT&T Data Communications Serv
6478 1078 354 179 AT&T Worldnet Services
11492 1073 104 24 Cable One
6197 1041 707 509 BellSouth Network Solutions,
18566 1010 288 9 Covad Communications
701 957 6614 733 UUNET Technologies, Inc.
174 955 6777 866 Cogent Communications
1239 807 2731 573 Sprint
20115 807 725 429 Charter Communications
7011 804 228 481 Citizens Utilities
19262 775 2694 207 Verizon Global Networks
209 740 3836 581 Qwest
22773 721 1892 44 Cox Communications, Inc.
7029 604 488 80 Alltel Information Services,
5668 600 160 17 CenturyTel Internet Holdings,
7385 598 166 465 Linkport Communications
852 589 1090 371 Telus Advanced Communications
721 568 21659 266 DLA Systems Automation Center
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 519 1939 410 UUNET - Commercial IP service
2119 509 918 381 Telenor Internet Access
24863 345 47 32 LINKdotNET AS number
3301 310 1455 289 TeliaNet Sweden
3320 303 4994 253 Deutsche Telekom AG
6746 279 128 255 Dynamic Network Technologies,
680 260 2044 251 DFN-IP service G-WiN
8220 251 460 242 COLT Telecommunications
3215 246 2280 94 France Telecom Transpac
8708 237 416 230 Romania Data Systems S.A.
5089 221 1658 53 NTL Group Limited
3269 216 2647 74 TELECOM ITALIA
3352 211 1863 34 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
8551 207 197 27 Bezeq International
3246 200 334 190 Song Networks
9116 198 136 25 Goldenlines main autonomous s
1257 196 1196 174 SWIPnet Swedish IP Network
12479 185 578 6 Uni2 Autonomous System
30890 183 15 90 SC Kappa Invexim SRL
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1325 1855 209 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 367 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 317 238 12 VTR PUNTO NET S.A.
7303 288 143 29 Telecom Argentina Stet-France
6471 268 74 32 ENTEL CHILE S.A.
14117 244 17 14 Telefonica del Sur S.A.
11556 229 128 3 Cable-Wireless Panama
6147 224 168 25 Telefonica Del Peru
6503 213 188 84 AVANTEL, S.A.
20299 195 23 12 NEWCOM AMERICAS
10620 187 53 25 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
19429 155 95 44 E.T.B.
21826 155 27 59 INTERCABLE
7738 144 474 22 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 277 866 219 The Internet Solution
8452 229 188 7 TEDATA
6713 143 135 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 120 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 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 42 13 23 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
8524 32 2 8 AUCEGYPT Autonomous System
33776 31 2 6 Starcomms Nigeria Limited
21280 27 4 4 Swift Global Kenya Ltd.Is an
33766 26 2 1 Nyala Communications Pty Ltd
12455 25 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1225 1153 Videsh Sanchar Nigam Ltd. Aut
8151 1325 1116 UniNet S.A. de C.V.
11492 1073 1049 Cable One
4134 1289 1010 CHINANET-BACKBONE
18566 1010 1001 Covad Communications
9498 984 916 BHARTI BT INTERNET LTD.
4323 1274 907 Time Warner Telecom
6478 1078 899 AT&T Worldnet Services
9583 1106 720 Sify Limited
22773 721 677 Cox Communications, Inc.
17488 698 659 Hathway IP Over Cable Interne
5668 600 583 CenturyTel Internet Holdings,
19262 775 568 Verizon Global Networks
7545 628 550 TPG Internet Pty Ltd
6197 1041 532 BellSouth Network Solutions,
7029 604 524 Alltel Information Services,
18101 554 519 Reliance Infocom Ltd Internet
19916 568 517 OLM LLC
15270 543 508 PaeTec.net -a division of Pae
855 568 497 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
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 /10:14 /11:35 /12:123
/13:238 /14:452 /15:873 /16:9430 /17:3979 /18:6386
/19:13513 /20:15516 /21:14079 /22:18333 /23:19506 /24:117823
/25:780 /26:839 /27:478 /28:68 /29:9 /30:13
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1068 1078 AT&T Worldnet Services
11492 1064 1073 Cable One
18566 992 1010 Covad Communications
9583 944 1106 Sify Limited
2386 850 1153 AT&T Data Communications Serv
7018 809 1501 AT&T WorldNet Services
6197 795 1041 BellSouth Network Solutions,
23577 765 779 Korea Telecom (ATM-MPLS)
7011 705 804 Citizens Utilities
8151 704 1325 UniNet S.A. de C.V.
9498 654 984 BHARTI BT INTERNET LTD.
4755 623 1225 Videsh Sanchar Nigam Ltd. Aut
4766 593 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 522 1274 Time Warner Telecom
17488 519 698 Hathway IP Over Cable Interne
15270 510 543 PaeTec.net -a division of Pae
4668 497 507 LG-EDS Systems Inc.
18101 470 554 Reliance Infocom Ltd Internet
855 466 568 Canadian Research Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:74 9:1 12:1804 15:19
16:3 17:3 18:8 20:38 24:948 25:1
32:52 33:2 38:318 40:61 41:150 44:2
47:5 52:4 55:3 56:3 57:24 58:410
59:397 60:302 61:966 62:897 63:1974 64:3113
65:2359 66:3297 67:811 68:634 69:1873 70:521
71:107 72:1326 73:1 74:482 75:264 76:75
77:226 78:2 80:821 81:818 82:645 83:413
84:410 85:804 86:341 87:449 88:275 89:874
90:7 91:323 94:1 97:6 98:3 116:97
121:156 122:534 123:107 124:816 125:943 128:283
129:224 130:130 131:366 132:52 133:9 134:192
135:38 136:185 137:80 138:140 139:70 140:478
141:171 142:370 143:233 144:293 145:43 146:312
147:118 148:398 149:143 150:114 151:159 152:92
153:123 154:4 155:254 156:152 157:185 158:158
159:157 160:107 161:91 162:233 163:185 164:451
165:403 166:240 167:284 168:502 169:120 170:402
171:16 172:1 189:550 190:638 192:5771 193:3869
194:3143 195:2239 196:937 198:3749 199:3285 200:4837
201:1050 202:7326 203:7523 204:3972 205:2034 206:2362
207:2857 208:2705 209:3578 210:2470 211:967 212:1321
213:1469 214:408 215:40 216:4036 217:1158 218:352
219:381 220:958 221:401 222:263
End of report
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