[afnog] Weekly Routing Table Report
Routing Table Analysis
cscora at apnic.net
Sat Nov 20 04:06:09 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 20 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 150962
Prefixes after maximum aggregation: 88984
Unique aggregates announced to Internet: 72150
Total ASes present in the Internet Routing Table: 18468
Origin-only ASes present in the Internet Routing Table: 16016
Origin ASes announcing only one prefix: 7528
Transit ASes present in the Internet Routing Table: 2452
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: 19
Prefixes from unregistered ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1354415480
Equivalent to 80 /8s, 186 /16s and 189 /24s
Percentage of available address space announced: 36.5
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 69617
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29301
Total APNIC prefixes after maximum aggregation: 14416
Prefixes being announced from the APNIC address blocks: 27365
Unique aggregates announced from the APNIC address blocks: 14199
APNIC Region origin ASes present in the Internet Routing Table: 2165
APNIC Region origin ASes announcing only one prefix: 651
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: 16
Number of APNIC addresses announced to Internet: 166929152
Equivalent to 9 /8s, 243 /16s and 35 /24s
Percentage of available APNIC address space announced: 76.2
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: 85692
Total ARIN prefixes after maximum aggregation: 51967
Prefixes being announced from the ARIN address blocks: 65583
Unique aggregates announced from the ARIN address blocks: 23556
ARIN Region origin ASes present in the Internet Routing Table: 9725
ARIN Region origin ASes announcing only one prefix: 3516
ARIN Region transit ASes present in the Internet Routing Table: 951
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 235514384
Equivalent to 14 /8s, 9 /16s and 170 /24s
Percentage of available ARIN address space announced: 70.2
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: 28147
Total RIPE prefixes after maximum aggregation: 19552
Prefixes being announced from the RIPE address blocks: 24897
Unique aggregates announced from the RIPE address blocks: 16379
RIPE Region origin ASes present in the Internet Routing Table: 6013
RIPE Region origin ASes announcing only one prefix: 3222
RIPE Region transit ASes present in the Internet Routing Table: 1044
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 180277504
Equivalent to 10 /8s, 190 /16s and 209 /24s
Percentage of available RIPE address space announced: 63.2
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: 6567
Total LACNIC prefixes after maximum aggregation: 2352
Prefixes being announced from the LACNIC address blocks: 6446
Unique aggregates announced from the LACNIC address blocks: 3973
LACNIC Region origin ASes present in the Internet Routing Table: 403
LACNIC Region origin ASes announcing only one prefix: 118
LACNIC Region transit ASes present in the Internet Routing Table: 80
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 14
Number of LACNIC addresses announced to Internet: 16622080
Equivalent to 0 /8s, 253 /16s and 162 /24s
Percentage of available LACNIC address space announced: 49.5
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1246
Total AfriNIC prefixes after maximum aggregation: 697
Prefixes being announced from the AfriNIC address blocks: 857
Unique aggregates announced from the AfriNIC address blocks: 667
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2067200
Equivalent to 0 /8s, 31 /16s and 139 /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 860 4403 163 Data Communications Bureau
1221 795 1182 570 Telstra Pty Ltd
9583 559 47 40 Satyam Infoway Ltd.,
4766 545 3408 266 Korea Internet Exchange for "
4755 382 133 64 Videsh Sanchar Nigam Ltd. Aut
17676 376 5628 53 XTAGE CORPORATION
9443 356 69 80 Primus Telecommunications
2907 354 1857 328 SINET Japan
9929 344 161 33 China Netcom Corp.
703 318 346 246 UUNET
17557 315 23 156 Pakistan Telecom
2764 287 273 233 connect.com.au pty ltd
7474 266 268 198 Optus Communications Pty Ltd
4802 234 28 142 Wantree Development
7563 230 48 167 Korea Internet Infrastructure
9800 230 380 70 CHINA UNICOM
9942 229 72 123 COMindico Australia
9498 219 81 53 BHARTI BT INTERNET LTD.
10036 217 20 198 C&M Communication Co. Ltd.
4814 210 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1424 6633 984 AT&T WorldNet Services
701 1239 8399 885 UUNET Technologies, Inc.
721 1023 21016 298 DLA Systems Automation Center
1239 923 2880 611 Sprint
2386 850 530 611 AT&T Data Communications Serv
6197 820 522 313 BellSouth Network Solutions,
4323 805 672 221 Time Warner Telecom
18566 754 208 6 Covad Communications
209 668 3429 513 Qwest
3356 635 10959 458 Level 3 Communications, LLC
20115 603 462 322 Charter Communications
3561 547 2374 418 Cable & Wireless USA
852 522 1141 399 Telus Advanced Communications
7843 479 720 75 Adelphia Corp.
27364 450 36 19 Armstrong Cable Services
7132 447 8288 379 SBC Internet Services
6198 437 349 210 BellSouth Network Solutions,
6478 434 775 96 AT&T Worldnet Services
5668 417 87 18 Century Telephone
22909 414 880 63 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 634 2027 524 UUNET - Commercial IP service
3320 302 2997 237 Deutsche Telekom AG
8220 281 463 266 COLT Internet - International
3301 278 1100 269 TeliaNet Sweden
3300 257 167 82 AUCS Communications Services
680 251 2025 239 DFN-IP service G-WiN
21502 246 40 3 NUMERICABLE is a cabled netwo
3246 219 477 215 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 204 722 175 SWIPnet Swedish IP Network
8708 204 116 185 Romania Data Systems S.A.
5515 192 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 161 956 78 France Telecom Transpac
8866 160 20 7 Bulgarian Telecommunication C
719 157 322 105 LANLINK autonomous system
6746 157 30 127 Dynamic Network Technologies,
3269 151 1289 68 TELECOM ITALIA
25186 148 154 104 France Telecom Transpac's Tra
5400 142 206 115 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 338 139 75 ImpSat
8151 308 471 134 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 208 99 55 Servicios Alestra S.A de C.V
6147 192 94 20 Telefonica Del Peru
11664 152 12 34 Keytech SA
6505 141 90 95 Global One Communicaoes Ltda
7303 138 65 20 Telecom Argentina Stet-France
6503 123 148 82 AVANTEL, S.A.
11992 103 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
11311 86 8 23 Sinectis S.A.
6535 85 7 18 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
14420 81 5 33 ANDINATEL S.A.
4270 80 18 9 Red de Interconexion Universi
15311 77 23 37 Telefonica Empresas
5639 75 8 8 Telecommunications Services o
13999 74 52 9 Mega Cable S.A. de C.V.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 225 The Internet Solution
5536 111 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 99 276 72 The Internetworking Company o
20928 52 16 1 Noor Advanced Technologies AS
24835 40 34 7 RAYA Telecom - Egypt
9129 35 3 4 UUNET Kenya
6713 30 38 9 Itissalat Al-MAGHRIB
5713 26 125 24 Telkom SA Ltd
8524 24 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
8452 18 20 5 TEDATA
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
12455 16 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 754 748 Covad Communications
721 1023 725 DLA Systems Automation Center
4134 860 697 Data Communications Bureau
4323 805 584 Time Warner Telecom
9583 559 519 Satyam Infoway Ltd.,
6197 820 507 BellSouth Network Solutions,
27364 450 431 Armstrong Cable Services
7843 479 404 Adelphia Corp.
5668 417 399 Century Telephone
22773 402 385 Cox Communications, Inc. Atla
701 1239 354 UUNET Technologies, Inc.
22909 414 351 Comcast Cable Corporation
6467 380 349 E.Spire Communications, Inc.
6478 434 338 AT&T Worldnet Services
17676 376 323 XTAGE CORPORATION
4755 382 318 Videsh Sanchar Nigam Ltd. Aut
1239 923 312 Sprint
9929 344 311 China Netcom Corp.
13609 333 298 Choice One Communications Inc
4355 392 293 EarthLink, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65006 PRIVATE 84.18.32.0/19 33831 Royal Hashemite Cour
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
65002 PRIVATE 212.115.225.0/24 8690 Comint Ltd
65002 PRIVATE 212.115.226.0/24 8690 Comint Ltd
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 /10:7 /11:15 /12:61
/13:140 /14:314 /15:556 /16:8137 /17:2280 /18:3957
/19:9861 /20:10430 /21:8021 /22:11074 /23:12685 /24:82548
/25:247 /26:224 /27:114 /28:70 /29:40 /30:117
/31:0 /32:42
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 739 754 Covad Communications
6197 657 820 BellSouth Network Solutions,
2386 614 850 AT&T Data Communications Serv
7018 580 1424 AT&T WorldNet Services
27364 435 450 Armstrong Cable Services
9583 390 559 Satyam Infoway Ltd.,
702 388 634 UUNET - Commercial IP service
1239 368 923 Sprint
4766 366 545 Korea Internet Exchange for "
5668 360 417 Century Telephone
701 357 1239 UUNET Technologies, Inc.
6198 320 437 BellSouth Network Solutions,
13609 290 333 Choice One Communications Inc
6467 289 380 E.Spire Communications, Inc.
6517 286 309 Yipes Communications, Inc.
20115 283 603 Charter Communications
9929 275 344 China Netcom Corp.
4323 258 805 Time Warner Telecom
11456 258 303 Carolina Online, Inc.
3320 247 302 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:11 12:1434 13:1 15:5 16:2
17:3 20:5 24:773 32:71 33:2 38:84
40:55 44:3 47:2 52:3 55:1 56:3
57:22 60:3 61:629 62:499 63:1862 64:2483
65:2072 66:2460 67:458 68:535 69:793 70:40
72:10 80:525 81:556 82:318 83:207 84:49
128:115 129:165 130:85 131:190 132:26 134:182
135:30 136:186 137:81 138:189 139:36 140:225
141:108 142:127 143:119 144:158 145:42 146:293
147:97 148:328 149:111 150:93 151:62 152:130
153:68 154:2 155:131 156:58 157:69 158:135
159:164 160:61 161:73 162:379 163:84 164:219
165:162 166:118 167:219 168:355 169:123 170:312
171:9 192:5663 193:2942 194:2169 195:1537 196:584
198:3879 199:3306 200:3835 201:25 202:4931 203:5791
204:3560 205:2060 206:2326 207:2624 208:2109 209:3108
210:1519 211:655 212:1156 213:1223 214:224 215:31
216:3700 217:1056 218:177 219:83 220:286 221:66
222:21
End of report
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