[afnog] Weekly Routing Table Report
Routing Table Analysis
cscora at apnic.net
Sat Feb 12 04:06:35 EAT 2005
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 12 Feb, 2005
Analysis Summary
----------------
BGP routing table entries examined: 155599
Prefixes after maximum aggregation: 90769
Unique aggregates announced to Internet: 74551
Total ASes present in the Internet Routing Table: 18969
Origin-only ASes present in the Internet Routing Table: 16484
Origin ASes announcing only one prefix: 7738
Transit ASes present in the Internet Routing Table: 2485
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 22
Prefixes from unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 22
Number of addresses announced to Internet: 1374625740
Equivalent to 81 /8s, 239 /16s and 31 /24s
Percentage of available address space announced: 37.1
Percentage of allocated address space announced: 58.6
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72464
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 30978
Total APNIC prefixes after maximum aggregation: 14936
Prefixes being announced from the APNIC address blocks: 29027
Unique aggregates announced from the APNIC address blocks: 14666
APNIC Region origin ASes present in the Internet Routing Table: 2204
APNIC Region origin ASes announcing only one prefix: 648
APNIC Region transit ASes present in the Internet Routing Table: 326
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 173936896
Equivalent to 10 /8s, 94 /16s and 17 /24s
Percentage of available APNIC address space announced: 64.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 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: 87104
Total ARIN prefixes after maximum aggregation: 52392
Prefixes being announced from the ARIN address blocks: 66324
Unique aggregates announced from the ARIN address blocks: 24080
ARIN Region origin ASes present in the Internet Routing Table: 9868
ARIN Region origin ASes announcing only one prefix: 3594
ARIN Region transit ASes present in the Internet Routing Table: 957
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 240880896
Equivalent to 14 /8s, 91 /16s and 141 /24s
Percentage of available ARIN address space announced: 71.8
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, 29696-30719, 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: 29389
Total RIPE prefixes after maximum aggregation: 20318
Prefixes being announced from the RIPE address blocks: 26341
Unique aggregates announced from the RIPE address blocks: 17498
RIPE Region origin ASes present in the Internet Routing Table: 6307
RIPE Region origin ASes announcing only one prefix: 3344
RIPE Region transit ASes present in the Internet Routing Table: 1074
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 187806784
Equivalent to 11 /8s, 49 /16s and 180 /24s
Percentage of available RIPE address space announced: 65.8
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: 6790
Total LACNIC prefixes after maximum aggregation: 2418
Prefixes being announced from the LACNIC address blocks: 6684
Unique aggregates announced from the LACNIC address blocks: 3972
LACNIC Region origin ASes present in the Internet Routing Table: 420
LACNIC Region origin ASes announcing only one prefix: 128
LACNIC Region transit ASes present in the Internet Routing Table: 82
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17393664
Equivalent to 1 /8s, 9 /16s and 104 /24s
Percentage of available LACNIC address space announced: 51.8
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1320
Total AfriNIC prefixes after maximum aggregation: 705
Prefixes being announced from the AfriNIC address blocks: 890
Unique aggregates announced from the AfriNIC address blocks: 714
AfriNIC Region origin ASes present in the Internet Routing Table: 95
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2171136
Equivalent to 0 /8s, 33 /16s and 33 /24s
Percentage of available AfriNIC address space announced: 12.9
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 883 4688 172 Data Communications Bureau
1221 786 1184 561 Telstra Pty Ltd
4766 586 3414 281 Korea Internet Exchange for "
9583 586 48 11 Satyam Infoway Ltd.,
4755 456 241 101 Videsh Sanchar Nigam Ltd. Aut
7545 426 86 69 TPG Internet Pty Ltd
17676 396 5948 64 XTAGE CORPORATION
9443 371 77 79 Primus Telecommunications
9929 350 164 35 China Netcom Corp.
2907 347 1838 322 SINET Japan
17557 326 24 149 Pakistan Telecom
10036 294 27 270 C&M Communication Co. Ltd.
7474 286 299 208 Optus Communications Pty Ltd
2764 271 238 217 connect.com.au pty ltd
703 269 339 211 UUNET
9800 237 383 75 CHINA UNICOM
4808 236 170 128 CHINANET core WAN North
9498 234 81 54 BHARTI BT INTERNET LTD.
17974 231 63 12 PT TELEKOMUNIKASI INDONESIA
4802 230 28 139 Wantree Development
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1459 6602 974 AT&T WorldNet Services
721 1154 21851 317 DLA Systems Automation Center
701 1034 8309 881 UUNET Technologies, Inc.
4323 1032 672 221 Time Warner Telecom
1239 951 2880 627 Sprint
6197 860 378 402 BellSouth Network Solutions,
2386 827 511 608 AT&T Data Communications Serv
18566 770 208 6 Covad Communications
209 647 3467 498 Qwest
3356 596 10868 445 Level 3 Communications, LLC
3561 584 2370 416 Cable & Wireless USA
20115 578 481 304 Charter Communications
852 525 1126 399 Telus Advanced Communications
6478 496 822 97 AT&T Worldnet Services
3602 492 120 91 Sprint Canada, Inc.
22773 469 1090 24 Cox Communications, Inc. Atla
27364 468 44 18 Armstrong Cable Services
6198 458 472 204 BellSouth Network Solutions,
5668 441 87 17 Century Telephone
7132 441 8411 381 SBC Internet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 614 2020 506 UUNET - Commercial IP service
3320 296 2992 230 Deutsche Telekom AG
3301 290 1112 278 TeliaNet Sweden
8220 277 466 271 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 224 475 219 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
8708 216 120 196 Romania Data Systems S.A.
1257 205 708 171 SWIPnet Swedish IP Network
3215 200 1033 78 France Telecom Transpac
5515 187 842 135 Sonera Solution Autonomous Sy
6746 179 47 143 Dynamic Network Technologies,
786 176 1794 176 The JANET IP Service
8866 170 19 20 Bulgarian Telecommunication C
3300 168 184 84 AUCS Communications Services
719 163 322 105 LANLINK autonomous system
3269 163 1424 72 TELECOM ITALIA
25186 141 138 99 France Telecom Transpac's Tra
5400 140 219 124 BT Ignite European Backbone
9051 128 8 33 INCONET Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 361 140 70 ImpSat
8151 339 501 143 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 219 101 54 Servicios Alestra S.A de C.V
6147 170 100 22 Telefonica Del Peru
7303 149 68 22 Telecom Argentina Stet-France
11664 149 19 24 Keytech SA
6505 134 90 91 Global One Communicaoes Ltda
14117 119 7 5 Telefonica del Sur S.A.
6503 116 146 79 AVANTEL, S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 90 52 9 Mega Cable S.A. de C.V.
14420 87 6 42 ANDINATEL S.A.
11311 86 8 22 Sinectis S.A.
6535 85 7 23 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
5639 81 8 8 Telecommunications Services o
4270 79 18 9 Red de Interconexion Universi
15311 78 25 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 636 226 The Internet Solution
5536 113 15 17 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
2905 85 267 77 The Internetworking Company o
20928 84 16 2 Noor Advanced Technologies AS
24835 56 34 6 RAYA Telecom - Egypt
8452 38 20 5 TEDATA
6713 35 54 9 Itissalat Al-MAGHRIB
9129 33 3 2 UUNET Kenya
5713 27 141 24 Telkom SA Ltd
12455 27 7 4 Jambonet Autonomous system
8524 22 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
21280 16 2 3 Swift Global Kenya Ltd.Is an
15706 15 4 2 Sudatel Internet Exchange Aut
21491 15 1 3 UTL On-line is RF broadband I
15808 14 1 1 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1154 837 DLA Systems Automation Center
4323 1032 811 Time Warner Telecom
18566 770 764 Covad Communications
4134 883 711 Data Communications Bureau
9583 586 575 Satyam Infoway Ltd.,
6197 860 458 BellSouth Network Solutions,
27364 468 450 Armstrong Cable Services
22773 469 445 Cox Communications, Inc. Atla
5668 441 424 Century Telephone
3602 492 401 Sprint Canada, Inc.
6478 496 399 AT&T Worldnet Services
7545 426 357 TPG Internet Pty Ltd
4755 456 355 Videsh Sanchar Nigam Ltd. Aut
22909 418 339 Comcast Cable Corporation
6467 365 334 E.Spire Communications, Inc.
17676 396 332 XTAGE CORPORATION
1239 951 324 Sprint
9929 350 315 China Netcom Corp.
4766 586 305 Korea Internet Exchange for "
9443 371 292 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
64513 PRIVATE 149.117.96.0/24 577 Bell Advanced Commun
26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.148.0/28 15296 Netera Alliance Inc.
65004 PRIVATE 200.0.113.0/24 28477 *
65004 PRIVATE 200.4.0.0/24 28477 *
65004 PRIVATE 200.4.1.0/24 28477 *
65004 PRIVATE 200.4.2.0/24 28477 *
65004 PRIVATE 200.4.3.0/24 28477 *
65004 PRIVATE 200.4.4.0/24 28477 *
65004 PRIVATE 200.4.5.0/24 28477 *
65004 PRIVATE 200.4.6.0/24 28477 *
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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
172.212.0.0/16 1668 GNN Hosting Service
172.213.0.0/16 1668 GNN Hosting Service
172.214.0.0/16 1668 GNN Hosting Service
172.215.0.0/16 1668 GNN Hosting Service
172.216.0.0/16 1668 GNN Hosting Service
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
192.83.16.0/20 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
192.200.100.0/24 7018 AT&T WorldNet Services
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 /11:14 /12:62
/13:146 /14:311 /15:566 /16:8304 /17:2405 /18:4090
/19:10079 /20:10700 /21:8446 /22:11718 /23:12917 /24:84952
/25:298 /26:256 /27:112 /28:49 /29:22 /30:82
/31:0 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 755 770 Covad Communications
6197 705 860 BellSouth Network Solutions,
7018 630 1459 AT&T WorldNet Services
2386 591 827 AT&T Data Communications Serv
4323 478 1032 Time Warner Telecom
27364 453 468 Armstrong Cable Services
9583 412 586 Satyam Infoway Ltd.,
4766 399 586 Korea Internet Exchange for "
5668 376 441 Century Telephone
702 373 614 UUNET - Commercial IP service
1239 369 951 Sprint
6198 331 458 BellSouth Network Solutions,
10036 294 294 C&M Communication Co. Ltd.
6517 285 307 Yipes Communications, Inc.
6467 275 365 E.Spire Communications, Inc.
9929 275 350 China Netcom Corp.
11456 263 310 Carolina Online, Inc.
13609 256 305 Choice One Communications Inc
25844 245 245 Skadden, Arps, Slate, Meagher
701 244 1034 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1486 13:1 15:6 16:2
17:3 18:4 20:4 24:739 32:68 33:3
38:94 40:55 44:3 47:2 52:3 55:2
56:3 57:21 59:2 60:16 61:688 62:505
63:1865 64:2590 65:2084 66:2726 67:499 68:500
69:907 70:64 71:2 72:82 80:554 81:490
82:349 83:280 84:129 85:104 128:139 129:166
130:92 131:195 132:37 133:1 134:142 135:30
136:213 137:66 138:179 139:50 140:195 141:101
142:140 143:123 144:252 145:45 146:282 147:99
148:262 149:163 150:95 151:62 152:110 153:73
154:2 155:140 156:69 157:78 158:149 159:164
160:67 161:59 162:417 163:84 164:213 165:157
166:131 167:226 168:389 169:132 170:314 171:9
192:5687 193:3060 194:2257 195:1570 196:621 198:3858
199:3285 200:3932 201:53 202:5160 203:5979 204:3627
205:2021 206:2314 207:2667 208:2095 209:3096 210:1566
211:780 212:1148 213:1258 214:239 215:31 216:3670
217:1100 218:189 219:117 220:354 221:82 222:76
End of report
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