[afnog] Weekly Routing Table Report
Routing Table Analysis
cscora at apnic.net
Sat Jan 29 04:06:14 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 29 Jan, 2005
Analysis Summary
----------------
BGP routing table entries examined: 154984
Prefixes after maximum aggregation: 90381
Unique aggregates announced to Internet: 74096
Total ASes present in the Internet Routing Table: 18880
Origin-only ASes present in the Internet Routing Table: 16393
Origin ASes announcing only one prefix: 7690
Transit ASes present in the Internet Routing Table: 2487
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: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 19
Number of addresses announced to Internet: 1370739756
Equivalent to 81 /8s, 179 /16s and 212 /24s
Percentage of available address space announced: 37.0
Percentage of allocated address space announced: 58.5
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 72278
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 30715
Total APNIC prefixes after maximum aggregation: 14875
Prefixes being announced from the APNIC address blocks: 28751
Unique aggregates announced from the APNIC address blocks: 14553
APNIC Region origin ASes present in the Internet Routing Table: 2194
APNIC Region origin ASes announcing only one prefix: 649
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: 172218240
Equivalent to 10 /8s, 67 /16s and 215 /24s
Percentage of available APNIC address space announced: 63.9
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: 86924
Total ARIN prefixes after maximum aggregation: 52224
Prefixes being announced from the ARIN address blocks: 66269
Unique aggregates announced from the ARIN address blocks: 23997
ARIN Region origin ASes present in the Internet Routing Table: 9828
ARIN Region origin ASes announcing only one prefix: 3564
ARIN Region transit ASes present in the Internet Routing Table: 964
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 240024576
Equivalent to 14 /8s, 78 /16s and 124 /24s
Percentage of available ARIN address space announced: 71.5
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: 29197
Total RIPE prefixes after maximum aggregation: 20200
Prefixes being announced from the RIPE address blocks: 26172
Unique aggregates announced from the RIPE address blocks: 17218
RIPE Region origin ASes present in the Internet Routing Table: 6269
RIPE Region origin ASes announcing only one prefix: 3332
RIPE Region transit ASes present in the Internet Routing Table: 1067
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 187084864
Equivalent to 11 /8s, 38 /16s and 176 /24s
Percentage of available RIPE address space announced: 65.6
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: 6812
Total LACNIC prefixes after maximum aggregation: 2382
Prefixes being announced from the LACNIC address blocks: 6691
Unique aggregates announced from the LACNIC address blocks: 4033
LACNIC Region origin ASes present in the Internet Routing Table: 416
LACNIC Region origin ASes announcing only one prefix: 121
LACNIC Region transit ASes present in the Internet Routing Table: 83
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 17316608
Equivalent to 1 /8s, 8 /16s and 59 /24s
Percentage of available LACNIC address space announced: 51.6
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1330
Total AfriNIC prefixes after maximum aggregation: 700
Prefixes being announced from the AfriNIC address blocks: 873
Unique aggregates announced from the AfriNIC address blocks: 692
AfriNIC Region origin ASes present in the Internet Routing Table: 96
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: 4.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2107648
Equivalent to 0 /8s, 32 /16s and 41 /24s
Percentage of available AfriNIC address space announced: 12.6
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 886 4624 173 Data Communications Bureau
1221 785 1183 560 Telstra Pty Ltd
4766 582 3414 279 Korea Internet Exchange for "
9583 569 48 11 Satyam Infoway Ltd.,
4755 460 178 101 Videsh Sanchar Nigam Ltd. Aut
17676 393 5900 61 XTAGE CORPORATION
9443 362 71 77 Primus Telecommunications
2907 353 1856 326 SINET Japan
9929 350 164 35 China Netcom Corp.
17557 303 22 149 Pakistan Telecom
10036 294 27 270 C&M Communication Co. Ltd.
7545 279 86 67 TPG Internet Pty Ltd
7474 277 296 207 Optus Communications Pty Ltd
2764 273 254 220 connect.com.au pty ltd
703 271 340 212 UUNET
9800 238 383 76 CHINA UNICOM
4808 235 172 129 CHINANET core WAN North
9498 234 81 53 BHARTI BT INTERNET LTD.
4802 231 28 140 Wantree Development
7563 225 48 159 Korea Internet Infrastructure
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1457 6607 976 AT&T WorldNet Services
721 1122 21787 314 DLA Systems Automation Center
701 1063 8335 911 UUNET Technologies, Inc.
1239 926 2880 616 Sprint
6197 838 378 400 BellSouth Network Solutions,
4323 837 672 218 Time Warner Telecom
2386 813 505 601 AT&T Data Communications Serv
18566 766 208 6 Covad Communications
209 664 3404 503 Qwest
7015 596 212 22 AT&T Broadband
3356 591 10867 436 Level 3 Communications, LLC
20115 569 474 303 Charter Communications
3561 560 2370 415 Cable & Wireless USA
852 525 1126 399 Telus Advanced Communications
6478 501 819 96 AT&T Worldnet Services
3602 492 120 94 Sprint Canada, Inc.
27364 460 44 19 Armstrong Cable Services
6198 456 488 200 BellSouth Network Solutions,
7132 452 8395 381 SBC Internet Services
22773 436 1085 19 Cox Communications, Inc. Atla
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 619 2023 511 UUNET - Commercial IP service
3320 291 2992 227 Deutsche Telekom AG
3301 287 1112 275 TeliaNet Sweden
8220 275 466 268 COLT Internet - International
680 253 2041 239 DFN-IP service G-WiN
3246 225 471 220 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
8708 210 119 191 Romania Data Systems S.A.
1257 205 708 171 SWIPnet Swedish IP Network
5515 187 842 135 Sonera Solution Autonomous Sy
3215 186 1022 79 France Telecom Transpac
786 176 1794 176 The JANET IP Service
6746 176 47 140 Dynamic Network Technologies,
8866 166 19 23 Bulgarian Telecommunication C
3269 161 1392 71 TELECOM ITALIA
3300 161 165 81 AUCS Communications Services
719 158 322 104 LANLINK autonomous system
5400 141 219 124 BT Ignite European Backbone
25186 140 122 99 France Telecom Transpac's Tra
3303 130 577 125 Swisscom Ltd
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 357 140 69 ImpSat
8151 335 489 142 UniNet S.A. de C.V.
16814 234 14 6 NSS, S.A.
11172 212 99 54 Servicios Alestra S.A de C.V
6147 189 102 20 Telefonica Del Peru
11664 158 19 24 Keytech SA
7303 149 68 22 Telecom Argentina Stet-France
6505 133 90 90 Global One Communicaoes Ltda
6503 116 147 81 AVANTEL, S.A.
14117 114 7 5 Telefonica del Sur S.A.
11992 107 9 31 Integrated Systems
11556 97 48 3 Cable-Wireless Panama
13999 89 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 83 32 7 Prima S.A.
4270 81 18 9 Red de Interconexion Universi
5639 81 8 8 Telecommunications Services o
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 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
20928 84 16 2 Noor Advanced Technologies AS
2905 77 272 70 The Internetworking Company o
24835 56 34 6 RAYA Telecom - Egypt
8452 46 20 5 TEDATA
6713 34 38 9 Itissalat Al-MAGHRIB
9129 33 3 2 UUNET Kenya
12455 28 7 4 Jambonet Autonomous system
5713 27 141 24 Telkom SA Ltd
8524 23 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 18 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
8346 14 7 14 SONATEL-AS Autonomous System
15808 13 1 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1122 808 DLA Systems Automation Center
18566 766 760 Covad Communications
4134 886 713 Data Communications Bureau
4323 837 619 Time Warner Telecom
7015 596 574 AT&T Broadband
9583 569 558 Satyam Infoway Ltd.,
27364 460 441 Armstrong Cable Services
6197 838 438 BellSouth Network Solutions,
22773 436 417 Cox Communications, Inc. Atla
5668 431 414 Century Telephone
6478 501 405 AT&T Worldnet Services
3602 492 398 Sprint Canada, Inc.
4755 460 359 Videsh Sanchar Nigam Ltd. Aut
22909 423 358 Comcast Cable Corporation
6467 366 335 E.Spire Communications, Inc.
17676 393 332 XTAGE CORPORATION
9929 350 315 China Netcom Corp.
1239 926 310 Sprint
4766 582 303 Korea Internet Exchange for "
13609 335 300 Choice One Communications Inc
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
64513 PRIVATE 149.117.96.0/24 577 Bell Advanced Commun
26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio
65002 PRIVATE 208.179.184.0/24 11509 The Pajo Group
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
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 /12:61
/13:143 /14:314 /15:574 /16:8279 /17:2384 /18:4070
/19:10046 /20:10613 /21:8393 /22:11673 /23:12907 /24:84525
/25:296 /26:266 /27:128 /28:63 /29:33 /30:127
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 751 766 Covad Communications
6197 683 838 BellSouth Network Solutions,
7018 621 1457 AT&T WorldNet Services
2386 586 813 AT&T Data Communications Serv
7015 564 596 AT&T Broadband
27364 445 460 Armstrong Cable Services
4766 398 582 Korea Internet Exchange for "
9583 398 569 Satyam Infoway Ltd.,
702 377 619 UUNET - Commercial IP service
5668 371 431 Century Telephone
1239 367 926 Sprint
6198 328 456 BellSouth Network Solutions,
10036 294 294 C&M Communication Co. Ltd.
13609 292 335 Choice One Communications Inc
4323 282 837 Time Warner Telecom
6517 281 303 Yipes Communications, Inc.
6467 277 366 E.Spire Communications, Inc.
9929 275 350 China Netcom Corp.
701 263 1063 UUNET Technologies, Inc.
11456 263 308 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1487 13:1 15:6 16:2
17:3 18:4 20:4 24:1006 32:68 33:3
38:90 40:55 44:3 47:2 52:3 55:2
56:3 57:22 59:2 60:12 61:632 62:511
63:1836 64:2561 65:2098 66:2587 67:484 68:495
69:892 70:54 71:2 72:47 80:557 81:501
82:362 83:232 84:101 85:81 128:126 129:167
130:89 131:194 132:37 134:144 135:30 136:208
137:76 138:181 139:47 140:191 141:102 142:139
143:121 144:248 145:45 146:281 147:97 148:262
149:161 150:94 151:62 152:111 153:71 154:2
155:136 156:70 157:75 158:149 159:163 160:67
161:61 162:413 163:84 164:212 165:157 166:127
167:223 168:382 169:131 170:316 171:8 192:5646
193:3072 194:2252 195:1574 196:602 198:3850 199:3229
200:3941 201:43 202:5205 203:5887 204:3596 205:2009
206:2315 207:2648 208:2104 209:3060 210:1555 211:767
212:1146 213:1270 214:239 215:31 216:3703 217:1088
218:187 219:125 220:341 221:79 222:77
End of report
More information about the afnog
mailing list