[afnog] Weekly Routing Table Report
Routing Table Analysis
cscora at apnic.net
Fri Dec 9 21:09:47 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 10 Dec, 2005
Analysis Summary
----------------
BGP routing table entries examined: 176382
Prefixes after maximum aggregation: 99292
Unique aggregates announced to Internet: 85551
Total ASes present in the Internet Routing Table: 21109
Origin-only ASes present in the Internet Routing Table: 18376
Origin ASes announcing only one prefix: 8708
Transit ASes present in the Internet Routing Table: 2733
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: 20
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: 12
Number of addresses announced to Internet: 1487247552
Equivalent to 88 /8s, 165 /16s and 152 /24s
Percentage of available address space announced: 40.1
Percentage of allocated address space announced: 60.4
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 84709
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 37050
Total APNIC prefixes after maximum aggregation: 15698
Prefixes being announced from the APNIC address blocks: 34782
Unique aggregates announced from the APNIC address blocks: 16957
APNIC Region origin ASes present in the Internet Routing Table: 2433
APNIC Region origin ASes announcing only one prefix: 701
APNIC Region transit ASes present in the Internet Routing Table: 367
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 208250048
Equivalent to 12 /8s, 105 /16s and 164 /24s
Percentage of available APNIC address space announced: 77.3
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: 93025
Total ARIN prefixes after maximum aggregation: 56083
Prefixes being announced from the ARIN address blocks: 72439
Unique aggregates announced from the ARIN address blocks: 27647
ARIN Region origin ASes present in the Internet Routing Table: 10395
ARIN Region origin ASes announcing only one prefix: 3871
ARIN Region transit ASes present in the Internet Routing Table: 958
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 278863872
Equivalent to 16 /8s, 159 /16s and 32 /24s
Percentage of available ARIN address space announced: 69.3
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: 34544
Total RIPE prefixes after maximum aggregation: 23346
Prefixes being announced from the RIPE address blocks: 31538
Unique aggregates announced from the RIPE address blocks: 21154
RIPE Region origin ASes present in the Internet Routing Table: 7406
RIPE Region origin ASes announcing only one prefix: 3881
RIPE Region transit ASes present in the Internet Routing Table: 1225
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 226658368
Equivalent to 13 /8s, 130 /16s and 136 /24s
Percentage of available RIPE address space announced: 67.5
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: 9937
Total LACNIC prefixes after maximum aggregation: 3316
Prefixes being announced from the LACNIC address blocks: 8216
Unique aggregates announced from the LACNIC address blocks: 4798
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: 122
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 22984448
Equivalent to 1 /8s, 94 /16s and 183 /24s
Percentage of available LACNIC address space announced: 34.2
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: 1820
Total AfriNIC prefixes after maximum aggregation: 849
Prefixes being announced from the AfriNIC address blocks: 1172
Unique aggregates announced from the AfriNIC address blocks: 831
AfriNIC Region origin ASes present in the Internet Routing Table: 144
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 23
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2892800
Equivalent to 0 /8s, 44 /16s and 36 /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 1006 6463 203 CHINANET-BACKBONE
9583 836 77 12 Sify Limited
4755 749 259 72 Videsh Sanchar Nigam Ltd. Aut
1221 671 1366 482 Telstra Pty Ltd
4766 653 3927 287 Korea Telecom (KIX)
7545 510 108 70 TPG Internet Pty Ltd
17676 470 6819 100 Softbank BB Corp.
17488 430 26 11 Hathway IP Over Cable Interne
9498 412 216 67 BHARTI BT INTERNET LTD.
9443 401 88 86 Primus Telecommunications
4802 346 74 159 Wantree Development
2907 340 1764 317 SINET Japan
9929 331 217 49 China Netcom Corp.
17557 329 24 160 Pakistan Telecom
18302 329 152 25 SK Global co., Ltd
7474 325 225 224 SingTel Optus Pty Ltd
17974 280 65 16 PT TELEKOMUNIKASI INDONESIA
18101 280 68 19 Reliance Infocom Ltd Internet
9837 274 78 173 Powertel Ltd
9800 255 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1471 6305 967 AT&T WorldNet Services
4323 1190 706 231 Time Warner Telecom
174 1058 5827 976 Cogent Communications
721 1054 21922 308 DLA Systems Automation Center
701 987 8118 830 UUNET Technologies, Inc.
6197 971 434 505 BellSouth Network Solutions,
2386 915 531 688 AT&T Data Communications Serv
18566 882 240 7 Covad Communications
1239 839 2800 593 Sprint
20115 657 535 343 Charter Communications
209 656 3606 520 Qwest
11492 632 89 11 Cable One
22773 590 1477 29 Cox Communications, Inc.
852 573 1092 381 Telus Advanced Communications
19262 569 1608 140 Verizon Global Networks
855 564 247 66 Canadian Research Network
19916 563 49 54 OLM LLC
3602 532 126 103 Sprint Canada, Inc.
3356 531 10619 411 Level 3 Communications, LLC
6478 503 1434 281 AT&T Worldnet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 603 1958 477 UUNET - Commercial IP service
3301 306 1085 292 TeliaNet Sweden
3320 287 3231 242 Deutsche Telekom AG
8220 271 474 266 COLT Telecommunications
680 244 2040 238 DFN-IP service G-WiN
8708 233 274 215 Romania Data Systems S.A.
3246 226 469 219 Song Networks
6746 201 51 172 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
786 174 1795 174 The JANET IP Service
5400 166 317 136 BT Ignite European Backbone
8866 163 37 9 Bulgarian Telecommunication C
6830 161 669 33 UPC Distribution Services
3300 159 169 93 AUCS Communications Services
12479 157 322 5 Uni2 Autonomous System
24863 156 38 9 LINKdotNET AS number
3215 155 1323 79 France Telecom Transpac
9121 149 417 23 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 393 707 168 UniNet S.A. de C.V.
16814 295 18 7 NSS, S.A.
11172 289 106 74 Servicios Alestra S.A de C.V
19632 198 14 5 Metropolis Intercom S.A.
14117 184 11 6 Telefonica del Sur S.A.
22047 179 128 7 VTR PUNTO NET S.A.
13999 175 52 9 Mega Cable S.A. de C.V.
7303 152 72 19 Telecom Argentina Stet-France
6147 150 118 21 Telefonica Del Peru
11664 139 22 13 Keytech SA
11556 132 64 3 Cable-Wireless Panama
19169 127 8 20 Telconet
10481 121 48 8 Prima S.A.
6503 114 148 75 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
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 271 812 229 The Internet Solution
8452 147 44 7 TEDATA
5536 122 8 16 Internet Egypt Network
2018 117 298 103 Tertiary Education Network
15475 102 84 4 Nile Online
2905 74 155 67 The Internetworking Company o
6713 69 71 10 Itissalat Al-MAGHRIB
20928 61 16 2 Noor Advanced Technologies AS
24835 59 34 6 RAYA Telecom - Egypt
5713 38 151 34 Telkom SA Ltd
33774 33 4 24 AS Number for Telecom Algeria
15706 31 8 3 Sudatel Internet Exchange Aut
8524 23 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
23889 23 5 9 MAURITIUS TELECOM
10798 22 1 13 Standard Bank of South Africa
21280 22 4 4 Swift Global Kenya Ltd.Is an
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 1190 959 Time Warner Telecom
18566 882 875 Covad Communications
9583 836 824 Sify Limited
4134 1006 803 CHINANET-BACKBONE
721 1054 746 DLA Systems Automation Center
4755 749 677 Videsh Sanchar Nigam Ltd. Aut
11492 632 621 Cable One
22773 590 561 Cox Communications, Inc.
19916 563 509 OLM LLC
855 564 498 Canadian Research Network
6197 971 466 BellSouth Network Solutions,
5668 492 445 CenturyTel Internet Holdings,
7545 510 440 TPG Internet Pty Ltd
19262 569 429 Verizon Global Networks
3602 532 429 Sprint Canada, Inc.
17488 430 419 Hathway IP Over Cable Interne
17676 470 370 Softbank BB Corp.
4766 653 366 Korea Telecom (KIX)
6467 411 363 E.Spire Communications, Inc.
9498 412 345 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
38972 UNALLOCATED 80.251.152.0/23 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 /11:19 /12:86
/13:190 /14:343 /15:669 /16:8614 /17:2910 /18:4916
/19:11092 /20:12229 /21:10298 /22:13543 /23:14675 /24:95835
/25:352 /26:271 /27:207 /28:25 /29:12 /30:30
/31:3 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 866 882 Covad Communications
6197 785 971 BellSouth Network Solutions,
7018 726 1471 AT&T WorldNet Services
9583 659 836 Sify Limited
2386 637 915 AT&T Data Communications Serv
11492 623 632 Cable One
4323 570 1190 Time Warner Telecom
19916 557 563 OLM LLC
4766 458 653 Korea Telecom (KIX)
855 436 564 Canadian Research Network
7011 402 466 Citizens Utilities
702 386 603 UUNET - Commercial IP service
5668 384 492 CenturyTel Internet Holdings,
1239 364 839 Sprint
6198 354 493 BellSouth Network Solutions,
15270 325 352 PaeTec.net -a division of Pae
6517 322 347 Yipes Communications, Inc.
22773 305 590 Cox Communications, Inc.
13609 298 340 Choice One Communications Inc
18302 298 329 SK Global co., Ltd
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:40 12:1626 13:1 15:11 16:3
17:3 18:3 20:42 24:711 30:2 32:73
38:186 40:54 44:3 47:3 52:4 55:1
56:3 57:34 58:99 59:109 60:166 61:813
62:812 63:1893 64:2918 65:2141 66:2902 67:597
68:686 69:1340 70:246 71:38 72:482 73:8
80:685 81:606 82:508 83:328 84:336 85:395
86:222 87:115 125:137 128:150 129:167 130:100
131:304 132:34 133:1 134:151 135:45 136:173
137:63 138:175 139:76 140:447 141:146 142:404
143:148 144:220 145:34 146:304 147:134 148:272
149:187 150:109 151:72 152:115 153:94 154:5
155:181 156:90 157:120 158:148 159:174 160:85
161:74 162:242 163:176 164:184 165:180 166:147
167:241 168:469 169:142 170:308 171:12 192:5762
193:3335 194:2436 195:1666 196:714 198:3911 199:3263
200:4236 201:471 202:6353 203:6611 204:3835 205:2078
206:2430 207:2920 208:2026 209:3436 210:1779 211:804
212:1242 213:1387 214:313 215:39 216:3763 217:1170
218:226 219:128 220:544 221:331 222:135
End of report
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