[afnog] Weekly Routing Table Report
Routing Table Analysis
cscora at apnic.net
Fri Dec 16 21:07:43 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 17 Dec, 2005
Analysis Summary
----------------
BGP routing table entries examined: 176367
Prefixes after maximum aggregation: 99478
Unique aggregates announced to Internet: 85692
Total ASes present in the Internet Routing Table: 21152
Origin-only ASes present in the Internet Routing Table: 18402
Origin ASes announcing only one prefix: 8710
Transit ASes present in the Internet Routing Table: 2750
Transit-only ASes present in the Internet Routing Table: 76
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: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1491013440
Equivalent to 88 /8s, 223 /16s and 15 /24s
Percentage of available address space announced: 40.2
Percentage of allocated address space announced: 60.6
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 84589
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 36929
Total APNIC prefixes after maximum aggregation: 15734
Prefixes being announced from the APNIC address blocks: 34682
Unique aggregates announced from the APNIC address blocks: 17032
APNIC Region origin ASes present in the Internet Routing Table: 2435
APNIC Region origin ASes announcing only one prefix: 699
APNIC Region transit ASes present in the Internet Routing Table: 372
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 208551360
Equivalent to 12 /8s, 110 /16s and 61 /24s
Percentage of available APNIC address space announced: 77.4
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, 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: 92989
Total ARIN prefixes after maximum aggregation: 56109
Prefixes being announced from the ARIN address blocks: 72484
Unique aggregates announced from the ARIN address blocks: 27657
ARIN Region origin ASes present in the Internet Routing Table: 10397
ARIN Region origin ASes announcing only one prefix: 3864
ARIN Region transit ASes present in the Internet Routing Table: 963
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 280523008
Equivalent to 16 /8s, 184 /16s and 113 /24s
Percentage of available ARIN address space announced: 69.7
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
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 34652
Total RIPE prefixes after maximum aggregation: 23457
Prefixes being announced from the RIPE address blocks: 31660
Unique aggregates announced from the RIPE address blocks: 21281
RIPE Region origin ASes present in the Internet Routing Table: 7439
RIPE Region origin ASes announcing only one prefix: 3890
RIPE Region transit ASes present in the Internet Routing Table: 1228
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 228195904
Equivalent to 13 /8s, 153 /16s and 254 /24s
Percentage of available RIPE address space announced: 68.0
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
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9949
Total LACNIC prefixes after maximum aggregation: 3320
Prefixes being announced from the LACNIC address blocks: 8296
Unique aggregates announced from the LACNIC address blocks: 4783
LACNIC Region origin ASes present in the Internet Routing Table: 657
LACNIC Region origin ASes announcing only one prefix: 209
LACNIC Region transit ASes present in the Internet Routing Table: 124
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 23115264
Equivalent to 1 /8s, 96 /16s and 182 /24s
Percentage of available LACNIC address space announced: 34.4
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: 1842
Total AfriNIC prefixes after maximum aggregation: 858
Prefixes being announced from the AfriNIC address blocks: 1177
Unique aggregates announced from the AfriNIC address blocks: 831
AfriNIC Region origin ASes present in the Internet Routing Table: 147
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2899712
Equivalent to 0 /8s, 44 /16s and 63 /24s
Percentage of available AfriNIC address space announced: 8.6
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 1013 6467 205 CHINANET-BACKBONE
9583 842 77 12 Sify Limited
4755 753 259 71 Videsh Sanchar Nigam Ltd. Aut
1221 663 1374 477 Telstra Pty Ltd
4766 653 3927 287 Korea Telecom (KIX)
7545 511 108 71 TPG Internet Pty Ltd
17676 472 6836 102 Softbank BB Corp.
17488 430 26 11 Hathway IP Over Cable Interne
9498 424 212 66 BHARTI BT INTERNET LTD.
9443 400 88 85 Primus Telecommunications
4802 347 74 159 Wantree Development
2907 341 1764 318 SINET Japan
9929 331 217 49 China Netcom Corp.
7474 326 226 225 SingTel Optus Pty Ltd
17557 309 24 161 Pakistan Telecom
17974 283 68 19 PT TELEKOMUNIKASI INDONESIA
4780 282 226 16 Digital United Inc.
18101 281 68 19 Reliance Infocom Ltd Internet
9837 273 78 172 Powertel Ltd
9800 255 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1459 6302 964 AT&T WorldNet Services
4323 1193 722 234 Time Warner Telecom
174 1061 5827 974 Cogent Communications
721 1031 21922 308 DLA Systems Automation Center
701 979 8118 821 UUNET Technologies, Inc.
6197 970 434 505 BellSouth Network Solutions,
2386 913 517 687 AT&T Data Communications Serv
18566 886 240 7 Covad Communications
1239 845 2804 599 Sprint
20115 660 536 344 Charter Communications
209 658 3622 525 Qwest
11492 634 89 11 Cable One
22773 592 1477 29 Cox Communications, Inc.
852 572 1092 380 Telus Advanced Communications
19262 568 1611 157 Verizon Global Networks
19916 563 49 54 OLM LLC
855 562 243 65 Canadian Research Network
3602 535 127 106 Sprint Canada, Inc.
3356 526 10617 404 Level 3 Communications, LLC
6478 516 1435 283 AT&T Worldnet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 595 1958 473 UUNET - Commercial IP service
3301 303 1071 289 TeliaNet Sweden
3320 287 3487 241 Deutsche Telekom AG
8220 270 474 265 COLT Telecommunications
680 245 2040 239 DFN-IP service G-WiN
3246 229 486 221 Song Networks
8708 228 274 212 Romania Data Systems S.A.
6746 202 51 173 Dynamic Network Technologies,
1257 189 712 170 SWIPnet Swedish IP Network
3269 182 1829 68 TELECOM ITALIA
5515 180 840 127 Sonera Solution Autonomous Sy
786 173 1794 173 The JANET IP Service
5400 168 333 137 BT Ignite European Backbone
8866 167 37 11 Bulgarian Telecommunication C
6830 162 669 33 UPC Distribution Services
3215 161 1325 81 France Telecom Transpac
3300 160 169 93 AUCS Communications Services
24863 160 38 9 LINKdotNET AS number
12479 156 322 5 Uni2 Autonomous System
25186 147 211 103 France Telecom Transpac's Tra
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 393 739 170 UniNet S.A. de C.V.
22047 380 141 43 VTR PUNTO NET S.A.
16814 295 18 7 NSS, S.A.
11172 294 106 76 Servicios Alestra S.A de C.V
14117 184 11 6 Telefonica del Sur S.A.
13999 175 52 9 Mega Cable S.A. de C.V.
7303 153 73 18 Telecom Argentina Stet-France
6147 150 118 21 Telefonica Del Peru
11664 142 22 13 Keytech SA
11556 130 64 3 Cable-Wireless Panama
19169 127 8 20 Telconet
10481 121 48 8 Prima S.A.
6503 118 148 78 AVANTEL, S.A.
18822 114 8 11 TELEFONICA MANQUEHUE
5639 112 12 9 Telecommunications Services o
21826 112 14 18 INTERCABLE
6505 106 88 79 Global One Communicaoes Ltda
11311 99 8 10 Sinectis S.A.
4270 94 17 9 Red de Interconexion Universi
14522 94 12 8 SatNet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 272 812 230 The Internet Solution
8452 146 44 7 TEDATA
5536 122 8 16 Internet Egypt Network
2018 117 298 103 Tertiary Education Network
15475 103 84 4 Nile Online
2905 74 155 67 The Internetworking Company o
6713 69 71 10 Itissalat Al-MAGHRIB
24835 64 34 6 RAYA Telecom - Egypt
20928 61 16 2 Noor Advanced Technologies AS
5713 38 151 34 Telkom SA Ltd
33774 33 4 24 AS Number for Telecom Algeria
15706 31 8 3 Sudatel Internet Exchange Aut
23889 26 7 11 MAURITIUS TELECOM
8524 23 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
21280 23 4 4 Swift Global Kenya Ltd.Is an
10798 22 1 13 Standard Bank of South Africa
12455 18 6 5 Jambonet Autonomous system
12258 17 3 11 Vodacom Internet Company
15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1193 959 Time Warner Telecom
18566 886 879 Covad Communications
9583 842 830 Sify Limited
4134 1013 808 CHINANET-BACKBONE
721 1031 723 DLA Systems Automation Center
4755 753 682 Videsh Sanchar Nigam Ltd. Aut
11492 634 623 Cable One
22773 592 563 Cox Communications, Inc.
19916 563 509 OLM LLC
855 562 497 Canadian Research Network
6197 970 465 BellSouth Network Solutions,
5668 475 447 CenturyTel Internet Holdings,
7545 511 440 TPG Internet Pty Ltd
3602 535 429 Sprint Canada, Inc.
17488 430 419 Hathway IP Over Cable Interne
19262 568 411 Verizon Global Networks
17676 472 370 Softbank BB Corp.
4766 653 366 Korea Telecom (KIX)
6467 407 361 E.Spire Communications, Inc.
9498 424 358 BHARTI BT INTERNET LTD.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
38976 UNALLOCATED 62.192.224.0/19 21166 Satgate autonomous s
38976 UNALLOCATED 62.192.232.0/24 21166 Satgate autonomous s
38972 UNALLOCATED 80.251.144.0/21 28947 CJSC InT, Ekaterinbu
38972 UNALLOCATED 80.251.151.0/24 28947 CJSC InT, Ekaterinbu
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
24408 UNALLOCATED 203.119.26.0/24 9800 CHINA UNICOM
24408 UNALLOCATED 203.119.27.0/24 9800 CHINA UNICOM
24408 UNALLOCATED 203.119.28.0/24 9800 CHINA UNICOM
24406 UNALLOCATED 203.119.29.0/24 4808 CNCGROUP IP network:
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
192.43.230.0/24 7575 Australian Academic and Rease
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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
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 /9:5 /10:8 /11:20 /12:85
/13:192 /14:343 /15:670 /16:8626 /17:2922 /18:4926
/19:11122 /20:12238 /21:10328 /22:13516 /23:14672 /24:95824
/25:328 /26:219 /27:199 /28:28 /29:12 /30:31
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 870 886 Covad Communications
6197 784 970 BellSouth Network Solutions,
7018 719 1459 AT&T WorldNet Services
9583 662 842 Sify Limited
2386 634 913 AT&T Data Communications Serv
11492 625 634 Cable One
4323 570 1193 Time Warner Telecom
19916 557 563 OLM LLC
4766 458 653 Korea Telecom (KIX)
855 434 562 Canadian Research Network
7011 404 468 Citizens Utilities
702 377 595 UUNET - Commercial IP service
5668 367 475 CenturyTel Internet Holdings,
1239 365 845 Sprint
6198 355 497 BellSouth Network Solutions,
6517 326 351 Yipes Communications, Inc.
15270 325 352 PaeTec.net -a division of Pae
22773 306 592 Cox Communications, Inc.
13609 298 340 Choice One Communications Inc
701 284 979 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:40 11:1 12:1623 13:2 15:11
16:3 17:3 18:3 20:43 24:710 25:1
30:2 32:69 38:189 40:54 44:3 47:3
52:4 55:1 56:3 57:33 58:101 59:112
60:167 61:762 62:803 63:1892 64:2937 65:2133
66:2885 67:601 68:691 69:1321 70:252 71:39
72:490 73:9 80:681 81:596 82:507 83:343
84:340 85:392 86:232 87:122 125:137 128:140
129:167 130:101 131:304 132:34 133:1 134:152
135:45 136:169 137:62 138:177 139:91 140:342
141:139 142:404 143:146 144:222 145:39 146:306
147:135 148:272 149:191 150:109 151:70 152:115
153:96 154:5 155:181 156:90 157:119 158:150
159:175 160:87 161:74 162:242 163:175 164:183
165:181 166:146 167:240 168:422 169:143 170:312
171:12 192:5722 193:3346 194:2450 195:1688 196:710
198:3900 199:3266 200:4306 201:477 202:6341 203:6626
204:3821 205:2109 206:2405 207:2938 208:2021 209:3421
210:1828 211:778 212:1256 213:1382 214:315 215:40
216:3796 217:1174 218:223 219:129 220:578 221:334
222:129
End of report
More information about the afnog
mailing list