[afnog] Weekly Routing Table Report
Routing Table Analysis
cscora at apnic.net
Sat Nov 6 04:06:16 EAT 2004
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
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 06 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 150267
Prefixes after maximum aggregation: 88743
Unique aggregates announced to Internet: 71812
Total ASes present in the Internet Routing Table: 18370
Origin-only ASes present in the Internet Routing Table: 15942
Origin ASes announcing only one prefix: 7465
Transit ASes present in the Internet Routing Table: 2428
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 25
Prefixes from unregistered ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1348239976
Equivalent to 80 /8s, 92 /16s and 130 /24s
Percentage of available address space announced: 36.4
Percentage of allocated address space announced: 58.8
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69113
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29109
Total APNIC prefixes after maximum aggregation: 14393
Prefixes being announced from the APNIC address blocks: 27212
Unique aggregates announced from the APNIC address blocks: 14288
APNIC Region origin ASes present in the Internet Routing Table: 2160
APNIC Region origin ASes announcing only one prefix: 650
APNIC Region transit ASes present in the Internet Routing Table: 330
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 165911680
Equivalent to 9 /8s, 227 /16s and 156 /24s
Percentage of available APNIC address space announced: 75.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 85556
Total ARIN prefixes after maximum aggregation: 51860
Prefixes being announced from the ARIN address blocks: 65373
Unique aggregates announced from the ARIN address blocks: 23358
ARIN Region origin ASes present in the Internet Routing Table: 9669
ARIN Region origin ASes announcing only one prefix: 3474
ARIN Region transit ASes present in the Internet Routing Table: 949
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 234612736
Equivalent to 13 /8s, 251 /16s and 232 /24s
Percentage of available ARIN address space announced: 69.9
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
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,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 27821
Total RIPE prefixes after maximum aggregation: 19441
Prefixes being announced from the RIPE address blocks: 24696
Unique aggregates announced from the RIPE address blocks: 16225
RIPE Region origin ASes present in the Internet Routing Table: 5978
RIPE Region origin ASes announcing only one prefix: 3206
RIPE Region transit ASes present in the Internet Routing Table: 1024
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 176087168
Equivalent to 10 /8s, 126 /16s and 224 /24s
Percentage of available RIPE address space announced: 61.7
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6541
Total LACNIC prefixes after maximum aggregation: 2359
Prefixes being announced from the LACNIC address blocks: 6389
Unique aggregates announced from the LACNIC address blocks: 3935
LACNIC Region origin ASes present in the Internet Routing Table: 401
LACNIC Region origin ASes announcing only one prefix: 115
LACNIC Region transit ASes present in the Internet Routing Table: 77
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 16420096
Equivalent to 0 /8s, 250 /16s and 141 /24s
Percentage of available LACNIC address space announced: 48.9
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1234
Total AfriNIC prefixes after maximum aggregation: 690
Prefixes being announced from the AfriNIC address blocks: 858
Unique aggregates announced from the AfriNIC address blocks: 670
AfriNIC Region origin ASes present in the Internet Routing Table: 92
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 2069248
Equivalent to 0 /8s, 31 /16s and 147 /24s
Percentage of available AfriNIC address space announced: 12.3
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 856 4407 163 Data Communications Bureau
1221 801 1183 574 Telstra Pty Ltd
9583 546 41 103 Satyam Infoway Ltd.,
4766 545 3408 268 Korea Internet Exchange for "
4755 377 133 58 Videsh Sanchar Nigam Ltd. Aut
17676 369 5516 54 XTAGE CORPORATION
2907 354 1857 328 SINET Japan
9443 353 69 79 Primus Telecommunications
9929 344 161 33 China Netcom Corp.
703 317 346 244 UUNET
17557 315 23 156 Pakistan Telecom
2764 287 273 235 connect.com.au pty ltd
7474 264 268 196 Optus Communications Pty Ltd
4802 234 28 142 Wantree Development
9942 233 72 124 COMindico Australia
9498 231 81 53 BHARTI BT INTERNET LTD.
9800 230 380 70 CHINA UNICOM
7563 227 48 164 Korea Internet Infrastructure
10036 210 19 191 C&M Communication Co. Ltd.
4814 206 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1427 6681 994 AT&T WorldNet Services
701 1236 8415 886 UUNET Technologies, Inc.
721 1023 21016 298 DLA Systems Automation Center
1239 921 2880 610 Sprint
2386 848 530 609 AT&T Data Communications Serv
6197 809 380 351 BellSouth Network Solutions,
4323 797 671 218 Time Warner Telecom
18566 751 208 6 Covad Communications
209 660 3435 504 Qwest
3356 646 10942 444 Level 3 Communications, LLC
20115 570 430 306 Charter Communications
3561 552 2416 416 Cable & Wireless USA
852 518 1142 401 Telus Advanced Communications
7843 496 709 93 Adelphia Corp.
7132 445 8288 377 SBC Internet Services
6198 437 377 202 BellSouth Network Solutions,
705 436 163 276 UUNET Technologies, Inc.
6478 425 737 102 AT&T Worldnet Services
27364 414 36 19 Armstrong Cable Services
5668 411 87 18 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 635 2026 527 UUNET - Commercial IP service
3320 297 2484 234 Deutsche Telekom AG
8220 281 463 267 COLT Internet - International
3301 277 1099 267 TeliaNet Sweden
21502 254 40 3 NUMERICABLE is a cabled netwo
680 251 2025 239 DFN-IP service G-WiN
3246 219 477 215 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 208 743 179 SWIPnet Swedish IP Network
8708 203 115 184 Romania Data Systems S.A.
5515 193 842 141 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
6746 161 30 130 Dynamic Network Technologies,
8866 160 20 7 Bulgarian Telecommunication C
3215 158 940 77 France Telecom Transpac
719 157 288 102 LANLINK autonomous system
3269 149 1259 67 TELECOM ITALIA
5400 148 207 119 BT Ignite European Backbone
25186 148 154 104 France Telecom Transpac's Tra
3303 131 610 129 Swisscom Ltd
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 347 139 69 ImpSat
8151 308 455 134 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 208 100 55 Servicios Alestra S.A de C.V
6147 185 94 20 Telefonica Del Peru
11664 164 12 35 Keytech SA
6505 138 90 94 Global One Communicaoes Ltda
7303 137 62 24 Telecom Argentina Stet-France
6503 122 164 83 AVANTEL, S.A.
11992 101 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 96 48 2 Cable-Wireless Panama
6535 84 7 19 Chilesat Servicios Empresari
11311 84 8 24 Sinectis S.A.
10481 82 32 7 Prima S.A.
4270 80 18 9 Red de Interconexion Universi
14420 80 5 33 ANDINATEL S.A.
15311 77 23 37 Telefonica Empresas
5639 75 8 8 Telecommunications Services o
11340 71 21 47 Red Universitaria Nacional
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 272 649 230 The Internet Solution
5536 113 16 4 Internet Egypt Network
2018 101 297 97 Tertiary Education Network
2905 93 259 65 The Internetworking Company o
20928 52 16 1 Noor Advanced Technologies AS
9129 33 3 4 UUNET Kenya
24835 33 34 7 RAYA Telecom - Egypt
6713 31 42 10 Itissalat Al-MAGHRIB
5713 26 125 24 Telkom SA Ltd
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
8452 17 20 5 TEDATA
12455 17 4 2 Jambonet Autonomous system
21280 16 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 751 745 Covad Communications
721 1023 725 DLA Systems Automation Center
4134 856 693 Data Communications Bureau
4323 797 579 Time Warner Telecom
6197 809 458 BellSouth Network Solutions,
9583 546 443 Satyam Infoway Ltd.,
7843 496 403 Adelphia Corp.
27364 414 395 Armstrong Cable Services
5668 411 393 Century Telephone
22773 400 383 Cox Communications, Inc. Atla
6467 400 370 E.Spire Communications, Inc.
22909 409 351 Comcast Cable Corporation
701 1236 350 UUNET Technologies, Inc.
6478 425 323 AT&T Worldnet Services
4755 377 319 Videsh Sanchar Nigam Ltd. Aut
17676 369 315 XTAGE CORPORATION
1239 921 311 Sprint
9929 344 311 China Netcom Corp.
4355 392 293 EarthLink, Inc.
6140 347 278 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65006 PRIVATE 84.18.32.0/19 33831 *
65217 PRIVATE 192.102.236.0/24 217 University of Minnes
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
33507 UNALLOCATED 216.94.118.0/24 701 UUNET Technologies,
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 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 /9:3 /10:6 /11:15 /12:61
/13:138 /14:314 /15:554 /16:8110 /17:2266 /18:3925
/19:9790 /20:10385 /21:7964 /22:11021 /23:12683 /24:82125
/25:249 /26:236 /27:134 /28:68 /29:55 /30:113
/31:0 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 736 751 Covad Communications
6197 657 809 BellSouth Network Solutions,
2386 613 848 AT&T Data Communications Serv
7018 578 1427 AT&T WorldNet Services
27364 398 414 Armstrong Cable Services
702 389 635 UUNET - Commercial IP service
9583 382 546 Satyam Infoway Ltd.,
1239 366 921 Sprint
4766 365 545 Korea Internet Exchange for "
5668 356 411 Century Telephone
701 346 1236 UUNET Technologies, Inc.
6198 318 437 BellSouth Network Solutions,
6467 300 400 E.Spire Communications, Inc.
6517 281 305 Yipes Communications, Inc.
20115 279 570 Charter Communications
9929 275 344 China Netcom Corp.
13609 266 309 Choice One Communications Inc
14824 258 268 NewSouth Communications Corp.
4323 256 797 Time Warner Telecom
21502 251 254 NUMERICABLE is a cabled netwo
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:11 12:1434 13:1 15:5 16:2
17:3 20:5 24:746 32:67 33:2 38:81
40:55 44:3 47:2 52:3 55:1 56:3
57:22 60:3 61:615 62:496 63:1845 64:2445
65:2076 66:2462 67:447 68:537 69:755 70:36
72:2 80:516 81:548 82:306 83:193 84:47
128:128 129:164 130:84 131:185 132:26 134:186
135:26 136:187 137:85 138:184 139:39 140:195
141:108 142:126 143:115 144:159 145:42 146:295
147:95 148:328 149:112 150:95 151:64 152:133
153:68 154:2 155:131 156:58 157:67 158:133
159:163 160:61 161:73 162:379 163:80 164:216
165:157 166:118 167:222 168:338 169:123 170:298
171:9 192:5663 193:2921 194:2167 195:1510 196:588
198:3892 199:3299 200:3814 201:23 202:4939 203:5746
204:3571 205:2078 206:2337 207:2625 208:2122 209:3076
210:1516 211:641 212:1132 213:1219 214:223 215:31
216:3681 217:1058 218:176 219:81 220:273 221:65
222:22
End of report
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