[afnog] Weekly Routing Table Report
Routing Table Analysis
cscora at apnic.net
Fri Jan 6 21:08:52 EAT 2006
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 07 Jan, 2006
Analysis Summary
----------------
BGP routing table entries examined: 177730
Prefixes after maximum aggregation: 99948
Unique aggregates announced to Internet: 86379
Total ASes present in the Internet Routing Table: 21282
Origin-only ASes present in the Internet Routing Table: 18508
Origin ASes announcing only one prefix: 8776
Transit ASes present in the Internet Routing Table: 2774
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 25
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: 12
Number of addresses announced to Internet: 1477940032
Equivalent to 88 /8s, 23 /16s and 147 /24s
Percentage of available address space announced: 39.9
Percentage of allocated address space announced: 60.0
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 85680
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 37230
Total APNIC prefixes after maximum aggregation: 15820
Prefixes being announced from the APNIC address blocks: 35018
Unique aggregates announced from the APNIC address blocks: 17190
APNIC Region origin ASes present in the Internet Routing Table: 2454
APNIC Region origin ASes announcing only one prefix: 696
APNIC Region transit ASes present in the Internet Routing Table: 379
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 210093248
Equivalent to 12 /8s, 133 /16s and 196 /24s
Percentage of available APNIC address space announced: 78.0
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: 93656
Total ARIN prefixes after maximum aggregation: 56229
Prefixes being announced from the ARIN address blocks: 72981
Unique aggregates announced from the ARIN address blocks: 27906
ARIN Region origin ASes present in the Internet Routing Table: 10418
ARIN Region origin ASes announcing only one prefix: 3873
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: 17
Number of ARIN addresses announced to Internet: 281518336
Equivalent to 16 /8s, 199 /16s and 161 /24s
Percentage of available ARIN address space announced: 69.9
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: 34867
Total RIPE prefixes after maximum aggregation: 23618
Prefixes being announced from the RIPE address blocks: 31867
Unique aggregates announced from the RIPE address blocks: 21439
RIPE Region origin ASes present in the Internet Routing Table: 7533
RIPE Region origin ASes announcing only one prefix: 3949
RIPE Region transit ASes present in the Internet Routing Table: 1239
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 229011648
Equivalent to 13 /8s, 166 /16s and 112 /24s
Percentage of available RIPE address space announced: 68.3
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: 10115
Total LACNIC prefixes after maximum aggregation: 3418
Prefixes being announced from the LACNIC address blocks: 8332
Unique aggregates announced from the LACNIC address blocks: 4819
LACNIC Region origin ASes present in the Internet Routing Table: 660
LACNIC Region origin ASes announcing only one prefix: 211
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: 23553280
Equivalent to 1 /8s, 103 /16s and 101 /24s
Percentage of available LACNIC address space announced: 35.1
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: 1856
Total AfriNIC prefixes after maximum aggregation: 863
Prefixes being announced from the AfriNIC address blocks: 1209
Unique aggregates announced from the AfriNIC address blocks: 857
AfriNIC Region origin ASes present in the Internet Routing Table: 145
AfriNIC Region origin ASes announcing only one prefix: 47
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: 2972416
Equivalent to 0 /8s, 45 /16s and 91 /24s
Percentage of available AfriNIC address space announced: 8.9
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 995 6453 206 CHINANET-BACKBONE
9583 836 77 14 Sify Limited
4755 770 258 64 Videsh Sanchar Nigam Ltd. Aut
4766 705 3930 298 Korea Telecom (KIX)
1221 667 1364 475 Telstra Pty Ltd
7545 515 108 71 TPG Internet Pty Ltd
17676 478 6901 102 Softbank BB Corp.
17488 436 26 9 Hathway IP Over Cable Interne
9498 401 211 71 BHARTI BT INTERNET LTD.
9443 399 89 85 Primus Telecommunications
4802 355 74 160 Wantree Development
2907 338 1763 315 SINET Japan
9929 332 217 50 China Netcom Corp.
7474 329 227 227 SingTel Optus Pty Ltd
17557 307 24 161 Pakistan Telecom
18101 302 68 24 Reliance Infocom Ltd Internet
17974 301 72 31 PT TELEKOMUNIKASI INDONESIA
4780 282 226 16 Digital United Inc.
9837 270 78 169 Powertel Ltd
9800 256 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1441 6311 942 AT&T WorldNet Services
4323 1200 723 235 Time Warner Telecom
174 1041 5825 959 Cogent Communications
721 1031 21938 309 DLA Systems Automation Center
701 973 8117 816 UUNET Technologies, Inc.
6197 969 435 505 BellSouth Network Solutions,
2386 913 516 685 AT&T Data Communications Serv
18566 888 240 7 Covad Communications
1239 846 2803 600 Sprint
209 660 3606 528 Qwest
20115 656 536 338 Charter Communications
11492 639 89 11 Cable One
22773 601 1478 33 Cox Communications, Inc.
19262 592 1703 145 Verizon Global Networks
852 570 1092 379 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 243 65 Canadian Research Network
3602 523 127 106 Sprint Canada, Inc.
6478 523 1444 287 AT&T Worldnet Services
3356 519 10617 399 Level 3 Communications, LLC
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 589 1954 467 UUNET - Commercial IP service
3301 304 1071 290 TeliaNet Sweden
3320 285 3486 240 Deutsche Telekom AG
8220 274 474 268 COLT Telecommunications
680 244 2024 238 DFN-IP service G-WiN
3246 227 486 220 Song Networks
8708 222 274 206 Romania Data Systems S.A.
6746 205 52 177 Dynamic Network Technologies,
1257 189 712 169 SWIPnet Swedish IP Network
3269 184 1893 69 TELECOM ITALIA
5515 180 840 127 Sonera Solution Autonomous Sy
786 173 1794 173 The JANET IP Service
8866 172 37 11 Bulgarian Telecommunication C
5400 166 328 135 BT Ignite European Backbone
24863 166 38 9 LINKdotNET AS number
3215 162 1326 82 France Telecom Transpac
6830 162 669 33 UPC Distribution Services
3300 159 169 90 AUCS Communications Services
12479 157 322 5 Uni2 Autonomous System
25186 150 211 105 France Telecom Transpac's Tra
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 542 776 214 UniNet S.A. de C.V.
22047 380 141 43 VTR PUNTO NET S.A.
11172 293 109 77 Servicios Alestra S.A de C.V
16814 293 18 6 NSS, S.A.
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
11556 130 64 3 Cable-Wireless Panama
19169 126 8 29 Telconet
10481 121 48 8 Prima S.A.
6503 115 148 77 AVANTEL, S.A.
21826 113 14 19 INTERCABLE
5639 112 12 9 Telecommunications Services o
6505 107 88 80 Global One Communicaoes Ltda
11311 99 8 10 Sinectis S.A.
18822 99 8 10 TELEFONICA MANQUEHUE
14522 97 12 8 SatNet S.A.
7315 96 6 3 Grupo Rey Moreno
4270 93 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 272 812 230 The Internet Solution
8452 147 60 7 TEDATA
5536 122 8 16 Internet Egypt Network
2018 117 298 103 Tertiary Education Network
15475 101 84 4 Nile Online
2905 74 155 67 The Internetworking Company o
6713 71 71 10 Itissalat Al-MAGHRIB
24835 65 34 6 RAYA Telecom - Egypt
20928 61 16 2 Noor Advanced Technologies AS
5713 39 167 35 Telkom SA Ltd
33774 33 4 24 AS Number for Telecom Algeria
15706 31 8 3 Sudatel Internet Exchange Aut
23889 25 7 10 MAURITIUS TELECOM
21280 24 4 4 Swift Global Kenya Ltd.Is an
8524 23 1 4 AUCEGYPT Autonomous System
10798 22 1 13 Standard Bank of South Africa
16637 22 10 20 Johnnic e-Ventures
8346 19 14 18 SONATEL-AS Autonomous System
12455 19 6 5 Jambonet Autonomous system
12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1200 965 Time Warner Telecom
18566 888 881 Covad Communications
9583 836 822 Sify Limited
4134 995 789 CHINANET-BACKBONE
721 1031 722 DLA Systems Automation Center
4755 770 706 Videsh Sanchar Nigam Ltd. Aut
11492 639 628 Cable One
22773 601 568 Cox Communications, Inc.
19916 563 509 OLM LLC
855 562 497 Canadian Research Network
5668 511 487 CenturyTel Internet Holdings,
6197 969 464 BellSouth Network Solutions,
19262 592 447 Verizon Global Networks
7545 515 444 TPG Internet Pty Ltd
17488 436 427 Hathway IP Over Cable Interne
3602 523 417 Sprint Canada, Inc.
4766 705 407 Korea Telecom (KIX)
17676 478 376 Softbank BB Corp.
6467 402 356 E.Spire Communications, Inc.
812 370 343 Rogers WAVE
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 6828 Ekaterinburg Telegra
38972 UNALLOCATED 80.251.151.0/24 6828 Ekaterinburg Telegra
38972 UNALLOCATED 80.251.152.0/23 28947 CJSC InT, Ekaterinbu
29544 UNALLOCATED 82.151.64.0/19 12956 Telefonica Data Auto
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 /8:18 /9:5 /10:8 /11:20 /12:87
/13:196 /14:346 /15:670 /16:8637 /17:2943 /18:4955
/19:11189 /20:12306 /21:10503 /22:13598 /23:14742 /24:96569
/25:344 /26:267 /27:199 /28:34 /29:12 /30:45
/31:3 /32:34
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 872 888 Covad Communications
6197 784 969 BellSouth Network Solutions,
7018 719 1441 AT&T WorldNet Services
9583 657 836 Sify Limited
2386 636 913 AT&T Data Communications Serv
11492 630 639 Cable One
4323 575 1200 Time Warner Telecom
19916 557 563 OLM LLC
4766 508 705 Korea Telecom (KIX)
855 434 562 Canadian Research Network
7011 403 469 Citizens Utilities
5668 400 511 CenturyTel Internet Holdings,
702 373 589 UUNET - Commercial IP service
1239 365 846 Sprint
6198 355 498 BellSouth Network Solutions,
6517 331 357 Yipes Communications, Inc.
15270 329 356 PaeTec.net -a division of Pae
22773 311 601 Cox Communications, Inc.
13609 290 332 Choice One Communications Inc
701 283 973 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:42 12:1628 13:1 15:11 16:3
17:3 18:3 20:42 24:715 25:1 30:2
32:68 38:186 40:54 44:3 47:3 52:4
55:1 56:3 57:33 58:110 59:120 60:174
61:770 62:781 63:1896 64:2936 65:2147 66:2997
67:594 68:696 69:1349 70:264 71:41 72:538
73:15 80:692 81:594 82:506 83:349 84:336
85:402 86:248 87:124 125:145 128:151 129:169
130:101 131:304 132:33 133:1 134:151 135:45
136:162 137:64 138:178 139:92 140:444 141:136
142:403 143:205 144:227 145:39 146:310 147:135
148:328 149:188 150:109 151:71 152:115 153:98
154:6 155:183 156:90 157:119 158:152 159:175
160:87 161:67 162:247 163:177 164:167 165:170
166:148 167:237 168:473 169:142 170:312 171:12
192:5743 193:3349 194:2460 195:1702 196:735 198:3896
199:3263 200:4173 201:547 202:6380 203:6671 204:3809
205:2095 206:2409 207:2918 208:2011 209:3455 210:1855
211:791 212:1242 213:1414 214:317 215:40 216:3827
217:1158 218:234 219:131 220:619 221:330 222:139
End of report
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