[afnog] Weekly Routing Table Report
Routing Table Analysis
cscora at apnic.net
Fri Feb 10 21:12:40 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 11 Feb, 2006
Analysis Summary
----------------
BGP routing table entries examined: 181747
Prefixes after maximum aggregation: 101113
Unique aggregates announced to Internet: 88304
Total ASes present in the Internet Routing Table: 21484
Origin-only ASes present in the Internet Routing Table: 18665
Origin ASes announcing only one prefix: 8867
Transit ASes present in the Internet Routing Table: 2819
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: 22
Prefixes from unregistered ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1493620896
Equivalent to 89 /8s, 6 /16s and 216 /24s
Percentage of available address space announced: 40.3
Percentage of allocated address space announced: 59.5
Percentage of available address space allocated: 67.8
Total number of prefixes smaller than registry allocations: 88685
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 37966
Total APNIC prefixes after maximum aggregation: 16155
Prefixes being announced from the APNIC address blocks: 35732
Unique aggregates announced from the APNIC address blocks: 17528
APNIC Region origin ASes present in the Internet Routing Table: 2465
APNIC Region origin ASes announcing only one prefix: 684
APNIC Region transit ASes present in the Internet Routing Table: 383
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 213088992
Equivalent to 12 /8s, 179 /16s and 122 /24s
Percentage of available APNIC address space announced: 66.6
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, 121/8, 122/7, 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: 95871
Total ARIN prefixes after maximum aggregation: 56558
Prefixes being announced from the ARIN address blocks: 75188
Unique aggregates announced from the ARIN address blocks: 28398
ARIN Region origin ASes present in the Internet Routing Table: 10507
ARIN Region origin ASes announcing only one prefix: 3936
ARIN Region transit ASes present in the Internet Routing Table: 969
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 287215360
Equivalent to 17 /8s, 30 /16s and 143 /24s
Percentage of available ARIN address space announced: 71.3
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: 35748
Total RIPE prefixes after maximum aggregation: 24070
Prefixes being announced from the RIPE address blocks: 32766
Unique aggregates announced from the RIPE address blocks: 22090
RIPE Region origin ASes present in the Internet Routing Table: 7629
RIPE Region origin ASes announcing only one prefix: 3985
RIPE Region transit ASes present in the Internet Routing Table: 1279
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 234152320
Equivalent to 13 /8s, 244 /16s and 225 /24s
Percentage of available RIPE address space announced: 69.8
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: 10279
Total LACNIC prefixes after maximum aggregation: 3451
Prefixes being announced from the LACNIC address blocks: 8459
Unique aggregates announced from the LACNIC address blocks: 5044
LACNIC Region origin ASes present in the Internet Routing Table: 670
LACNIC Region origin ASes announcing only one prefix: 219
LACNIC Region transit ASes present in the Internet Routing Table: 122
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 25382912
Equivalent to 1 /8s, 131 /16s and 80 /24s
Percentage of available LACNIC address space announced: 37.8
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: 1874
Total AfriNIC prefixes after maximum aggregation: 879
Prefixes being announced from the AfriNIC address blocks: 1247
Unique aggregates announced from the AfriNIC address blocks: 883
AfriNIC Region origin ASes present in the Internet Routing Table: 146
AfriNIC Region origin ASes announcing only one prefix: 43
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: 14
Number of AfriNIC addresses announced to Internet: 3184896
Equivalent to 0 /8s, 48 /16s and 153 /24s
Percentage of available AfriNIC address space announced: 9.5
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 985 6480 204 CHINANET-BACKBONE
9583 853 109 15 Sify Limited
4766 710 3927 301 Korea Telecom (KIX)
1221 675 1428 474 Telstra Pty Ltd
4755 652 256 55 Videsh Sanchar Nigam Ltd. Aut
9498 528 211 73 BHARTI BT INTERNET LTD.
7545 517 108 70 TPG Internet Pty Ltd
17488 514 31 7 Hathway IP Over Cable Interne
17676 480 6949 104 Softbank BB Corp.
9443 411 94 85 Primus Telecommunications
4802 366 75 157 Wantree Development
2907 339 1763 316 SINET Japan
9929 335 218 50 China Netcom Corp.
18101 325 68 26 Reliance Infocom Ltd Internet
17974 319 77 38 PT TELEKOMUNIKASI INDONESIA
17557 311 25 161 Pakistan Telecom
7474 297 211 229 SingTel Optus Pty Ltd
4780 282 226 16 Digital United Inc.
9837 273 78 169 Powertel Ltd
9800 259 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1475 6265 955 AT&T WorldNet Services
4323 1206 711 235 Time Warner Telecom
721 1022 21954 309 DLA Systems Automation Center
174 993 5788 938 Cogent Communications
6197 980 451 508 BellSouth Network Solutions,
19029 977 152 115 New Edge Networks
701 951 8064 790 UUNET Technologies, Inc.
18566 907 272 8 Covad Communications
2386 890 504 665 AT&T Data Communications Serv
1239 851 2790 611 Sprint
6198 695 455 240 BellSouth Network Solutions,
209 680 3606 536 Qwest
20115 664 566 355 Charter Communications
11492 628 81 12 Cable One
22773 627 1479 38 Cox Communications, Inc.
19262 620 1793 152 Verizon Global Networks
855 573 244 64 Canadian Research Network
852 572 1092 381 Telus Advanced Communications
19916 563 49 54 OLM LLC
3602 522 127 106 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 588 1954 465 UUNET - Commercial IP service
3301 305 1071 290 TeliaNet Sweden
3352 301 1484 33 Ibernet, Internet Access Netw
3320 281 3477 235 Deutsche Telekom AG
8220 275 474 269 COLT Telecommunications
680 242 2025 239 DFN-IP service G-WiN
3246 229 487 219 Song Networks
8708 222 274 205 Romania Data Systems S.A.
6746 221 85 193 Dynamic Network Technologies,
9121 204 913 26 TTnet Autonomous System
1257 195 712 173 SWIPnet Swedish IP Network
3269 185 1925 70 TELECOM ITALIA
5515 177 840 125 Sonera Solution Autonomous Sy
786 173 1794 173 The JANET IP Service
3215 173 1422 84 France Telecom Transpac
8866 172 37 13 Bulgarian Telecommunication C
24863 168 38 9 LINKdotNET AS number
3300 166 171 94 AUCS Communications Services
5400 165 328 135 BT Ignite European Backbone
6830 163 733 34 UPC Distribution Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 575 1049 219 UniNet S.A. de C.V.
22047 383 142 10 VTR PUNTO NET S.A.
11172 305 110 78 Servicios Alestra S.A de C.V
16814 295 18 7 NSS, S.A.
14117 184 11 6 Telefonica del Sur S.A.
7303 156 74 17 Telecom Argentina Stet-France
6147 154 126 22 Telefonica Del Peru
13999 136 84 10 Mega Cable S.A. de C.V.
11556 130 64 3 Cable-Wireless Panama
19169 123 8 30 Telconet
10481 121 48 8 Prima S.A.
21826 116 15 19 INTERCABLE
5639 112 12 9 Telecommunications Services o
6505 108 88 80 Global One Communicaoes Ltda
6503 101 147 72 AVANTEL, S.A.
18822 99 8 10 TELEFONICA MANQUEHUE
7315 96 6 3 Grupo Rey Moreno
25620 96 6 3 COTAS LTDA
11311 95 8 23 Sinectis S.A.
14522 95 12 8 SatNet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 278 819 234 The Internet Solution
8452 155 60 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 73 87 11 Itissalat Al-MAGHRIB
20928 58 16 2 Noor Advanced Technologies AS
24835 58 50 7 RAYA Telecom - Egypt
5713 38 166 34 Telkom SA Ltd
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 21 AS Number for Telecom Algeria
12455 28 6 5 Jambonet Autonomous system
23889 25 7 10 MAURITIUS TELECOM
8524 23 1 4 AUCEGYPT Autonomous System
16637 23 10 21 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
8346 21 14 18 SONATEL-AS Autonomous System
21280 21 4 4 Swift Global Kenya Ltd.Is an
12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1206 971 Time Warner Telecom
18566 907 899 Covad Communications
19029 977 862 New Edge Networks
9583 853 838 Sify Limited
4134 985 781 CHINANET-BACKBONE
721 1022 713 DLA Systems Automation Center
11492 628 616 Cable One
4755 652 597 Videsh Sanchar Nigam Ltd. Aut
22773 627 589 Cox Communications, Inc.
855 573 509 Canadian Research Network
19916 563 509 OLM LLC
17488 514 507 Hathway IP Over Cable Interne
5668 517 493 CenturyTel Internet Holdings,
6197 980 472 BellSouth Network Solutions,
19262 620 468 Verizon Global Networks
6198 695 455 BellSouth Network Solutions,
9498 528 455 BHARTI BT INTERNET LTD.
7545 517 447 TPG Internet Pty Ltd
7757 461 442 AT&T Broadband
3602 522 416 Sprint Canada, Inc.
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE
65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
64811 PRIVATE 202.127.124.0/24 24405 Beijing CJWX Communi
65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio
65518 PRIVATE 211.144.192.0/19 24421 *
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 /9:9 /10:8 /11:22 /12:87
/13:199 /14:349 /15:694 /16:8701 /17:3067 /18:5063
/19:11275 /20:12462 /21:10873 /22:13874 /23:15104 /24:98949
/25:343 /26:266 /27:201 /28:60 /29:25 /30:54
/31:3 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
19029 899 977 New Edge Networks
18566 890 907 Covad Communications
6197 785 980 BellSouth Network Solutions,
7018 754 1475 AT&T WorldNet Services
9583 672 853 Sify Limited
2386 621 890 AT&T Data Communications Serv
11492 620 628 Cable One
4323 582 1206 Time Warner Telecom
6198 560 695 BellSouth Network Solutions,
19916 557 563 OLM LLC
4766 514 710 Korea Telecom (KIX)
855 445 573 Canadian Research Network
7757 443 461 AT&T Broadband
7011 423 492 Citizens Utilities
5668 403 517 CenturyTel Internet Holdings,
702 372 588 UUNET - Commercial IP service
1239 371 851 Sprint
15270 341 370 PaeTec.net -a division of Pae
6517 340 367 Yipes Communications, Inc.
22773 328 627 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:42 12:1643 13:1 15:12 16:3
17:3 18:4 20:44 24:864 25:1 30:2
32:66 38:196 40:53 44:3 47:3 52:4
55:1 56:3 57:33 58:115 59:160 60:180
61:798 62:769 63:1895 64:3051 65:2257 66:3072
67:579 68:672 69:1434 70:308 71:51 72:622
73:23 74:5 80:757 81:576 82:507 83:360
84:344 85:422 86:289 87:166 88:21 89:22
124:12 125:266 128:148 129:173 130:107 131:314
132:32 133:7 134:146 135:46 136:169 137:60
138:187 139:85 140:388 141:133 142:414 143:144
144:224 145:39 146:307 147:136 148:321 149:186
150:114 151:73 152:62 153:103 154:6 155:186
156:95 157:121 158:158 159:180 160:88 161:68
162:218 163:142 164:174 165:203 166:147 167:236
168:473 169:140 170:317 171:12 190:30 192:5769
193:3363 194:2507 195:1765 196:759 198:3904 199:3258
200:4192 201:592 202:6442 203:6786 204:3882 205:2093
206:2434 207:2929 208:1993 209:3855 210:1939 211:813
212:1290 213:1446 214:332 215:40 216:4087 217:1152
218:238 219:135 220:635 221:341 222:149
End of report
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