[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 12 21:05:58 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 13 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 187926
Prefixes after maximum aggregation: 103847
Unique aggregates announced to Internet: 92133
Total ASes present in the Internet Routing Table: 22144
Origin-only ASes present in the Internet Routing Table: 19260
Origin ASes announcing only one prefix: 9194
Transit ASes present in the Internet Routing Table: 2884
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 20
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 8
Unregistered ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1537532840
Equivalent to 91 /8s, 164 /16s and 227 /24s
Percentage of available address space announced: 41.5
Percentage of allocated address space announced: 60.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 92673
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 39467
Total APNIC prefixes after maximum aggregation: 16505
Prefixes being announced from the APNIC address blocks: 37191
Unique aggregates announced from the APNIC address blocks: 18298
APNIC Region origin ASes present in the Internet Routing Table: 2551
APNIC Region origin ASes announcing only one prefix: 723
APNIC Region transit ASes present in the Internet Routing Table: 390
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 225571808
Equivalent to 13 /8s, 113 /16s and 243 /24s
Percentage of available APNIC address space announced: 70.5
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: 97394
Total ARIN prefixes after maximum aggregation: 57662
Prefixes being announced from the ARIN address blocks: 71480
Unique aggregates announced from the ARIN address blocks: 26470
ARIN Region origin ASes present in the Internet Routing Table: 10699
ARIN Region origin ASes announcing only one prefix: 4012
ARIN Region transit ASes present in the Internet Routing Table: 989
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 292694272
Equivalent to 17 /8s, 114 /16s and 41 /24s
Percentage of available ARIN address space announced: 75.9
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, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 37578
Total RIPE prefixes after maximum aggregation: 25126
Prefixes being announced from the RIPE address blocks: 34591
Unique aggregates announced from the RIPE address blocks: 23239
RIPE Region origin ASes present in the Internet Routing Table: 7989
RIPE Region origin ASes announcing only one prefix: 4186
RIPE Region transit ASes present in the Internet Routing Table: 1317
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 249447620
Equivalent to 14 /8s, 222 /16s and 68 /24s
Percentage of available RIPE address space announced: 78.3
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, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11350
Total LACNIC prefixes after maximum aggregation: 3662
Prefixes being announced from the LACNIC address blocks: 9429
Unique aggregates announced from the LACNIC address blocks: 5479
LACNIC Region origin ASes present in the Internet Routing Table: 684
LACNIC Region origin ASes announcing only one prefix: 224
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 26940672
Equivalent to 1 /8s, 155 /16s and 21 /24s
Percentage of available LACNIC address space announced: 40.1
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: 2131
Total AfriNIC prefixes after maximum aggregation: 892
Prefixes being announced from the AfriNIC address blocks: 1469
Unique aggregates announced from the AfriNIC address blocks: 956
AfriNIC Region origin ASes present in the Internet Routing Table: 156
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4072960
Equivalent to 0 /8s, 62 /16s and 38 /24s
Percentage of available AfriNIC address space announced: 12.1
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 1133 7079 216 CHINANET-BACKBONE
4755 909 259 73 Videsh Sanchar Nigam Ltd. Aut
9583 900 109 16 Sify Limited
4766 683 4435 304 Korea Telecom (KIX)
1221 615 1556 471 Telstra Pty Ltd
9498 566 211 67 BHARTI BT INTERNET LTD.
7545 531 124 70 TPG Internet Pty Ltd
17488 501 31 7 Hathway IP Over Cable Interne
17676 487 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 384 81 175 Wantree Development
17849 347 22 111 Telecommunications Technology
18101 343 85 23 Reliance Infocom Ltd Internet
2907 336 1749 312 SINET Japan
17557 329 28 158 Pakistan Telecom
9929 325 221 58 China Netcom Corp.
17974 310 133 16 PT TELEKOMUNIKASI INDONESIA
7474 299 211 229 SingTel Optus Pty Ltd
9800 273 410 67 CHINA UNICOM
9837 266 78 159 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1516 6228 968 AT&T WorldNet Services
4323 1292 734 256 Time Warner Telecom
6197 1007 620 473 BellSouth Network Solutions,
721 995 21945 304 DLA Systems Automation Center
174 957 5787 902 Cogent Communications
19029 950 151 109 New Edge Networks
18566 939 272 8 Covad Communications
701 933 8011 774 UUNET Technologies, Inc.
2386 873 521 673 AT&T Data Communications Serv
1239 847 2805 599 Sprint
209 707 3563 555 Qwest
19262 699 2104 165 Verizon Global Networks
20115 692 606 373 Charter Communications
22773 660 1745 45 Cox Communications, Inc.
7011 634 218 412 Citizens Utilities
11492 630 86 23 Cable One
852 582 1085 384 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 542 244 64 Canadian Research Network
3602 537 127 109 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 578 1952 454 UUNET - Commercial IP service
3301 307 1071 293 TeliaNet Sweden
3352 296 1628 30 Ibernet, Internet Access Netw
8220 294 474 267 COLT Telecommunications
3320 286 3989 240 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
3246 234 504 224 Song Networks
6746 230 89 206 Dynamic Network Technologies,
8708 217 275 200 Romania Data Systems S.A.
24863 209 40 9 LINKdotNET AS number
8551 202 198 24 Bezeq International
3215 198 1664 94 France Telecom Transpac
3269 198 2134 72 TELECOM ITALIA
1257 192 742 167 SWIPnet Swedish IP Network
8866 180 37 16 Bulgarian Telecommunication C
6830 175 765 35 UPC Distribution Services
30890 175 16 63 SC Kappa Invexim SRL
786 171 1778 171 The JANET IP Service
5400 170 347 140 BT Ignite European Backbone
9121 168 931 27 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 708 1083 222 UniNet S.A. de C.V.
22047 417 158 11 VTR PUNTO NET S.A.
11172 324 110 84 Servicios Alestra S.A de C.V
16814 318 20 8 NSS, S.A.
6147 262 126 22 Telefonica Del Peru
14117 205 12 6 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
7303 164 77 21 Telecom Argentina Stet-France
11556 132 80 4 Cable-Wireless Panama
21826 132 16 21 INTERCABLE
6503 129 149 78 AVANTEL, S.A.
19169 125 8 27 Telconet
14259 116 10 12 GTD Internet S.A.
23216 112 21 9 RAMtelecom Telecomunicaciones
5639 109 12 9 Telecommunications Services o
6505 109 88 79 Global One Communicaoes Ltda
7910 105 7 10 ANDINET ON LINE
19429 103 58 44 E.T.B.
18822 98 7 9 TELEFONICA MANQUEHUE
14571 97 25 3 Internet Group do Brasil
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 278 803 233 The Internet Solution
8452 168 60 7 TEDATA
6713 145 135 11 Itissalat Al-MAGHRIB
2018 123 314 104 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 117 50 7 RAYA Telecom - Egypt
33783 105 6 2 EEPAD TISP TELECOM & INTERNET
2905 73 155 66 The Internetworking Company o
20928 57 16 2 Noor Advanced Technologies AS
15475 53 84 4 Nile Online
5713 39 294 35 Telkom SA Ltd
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 20 AS Number for Telecom Algeria
12455 28 6 3 Jambonet Autonomous system
23889 26 8 11 MAURITIUS TELECOM
8524 24 1 4 AUCEGYPT Autonomous System
16637 24 14 22 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
2561 19 6 2 Egyptian Universities Network
21280 19 5 5 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1292 1036 Time Warner Telecom
18566 939 931 Covad Communications
4134 1133 917 CHINANET-BACKBONE
9583 900 884 Sify Limited
19029 950 841 New Edge Networks
4755 909 836 Videsh Sanchar Nigam Ltd. Aut
721 995 691 DLA Systems Automation Center
22773 660 615 Cox Communications, Inc.
11492 630 607 Cable One
6197 1007 534 BellSouth Network Solutions,
19262 699 534 Verizon Global Networks
19916 563 509 OLM LLC
5668 531 508 CenturyTel Internet Holdings,
9498 566 499 BHARTI BT INTERNET LTD.
17488 501 494 Hathway IP Over Cable Interne
8151 708 486 UniNet S.A. de C.V.
855 542 478 Canadian Research Network
7545 531 461 TPG Internet Pty Ltd
3602 537 428 Sprint Canada, Inc.
22047 417 406 VTR PUNTO NET S.A.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65241 PRIVATE 65.90.71.0/24 10794 Bank of America
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
37890 UNALLOCATED 202.179.160.0/20 17930 Japan Digital Serve
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65280 PRIVATE 203.197.161.0/24 4755 Videsh Sanchar Nigam
65280 PRIVATE 203.200.14.0/24 4755 Videsh Sanchar Nigam
65280 PRIVATE 203.200.21.0/24 4755 Videsh Sanchar Nigam
36366 UNALLOCATED 216.130.247.0/24 174 Cogent Communication
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.84.205.0/24 719 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 /10:9 /11:28 /12:90
/13:202 /14:361 /15:706 /16:8815 /17:3200 /18:5296
/19:11633 /20:13071 /21:11325 /22:14552 /23:15646 /24:101883
/25:387 /26:267 /27:214 /28:64 /29:70 /30:49
/31:0 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 922 939 Covad Communications
19029 881 950 New Edge Networks
7018 801 1516 AT&T WorldNet Services
6197 796 1007 BellSouth Network Solutions,
9583 728 900 Sify Limited
4323 634 1292 Time Warner Telecom
11492 621 630 Cable One
2386 597 873 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 543 634 Citizens Utilities
4766 493 683 Korea Telecom (KIX)
855 416 542 Canadian Research Network
5668 413 531 CenturyTel Internet Holdings,
15270 394 425 PaeTec.net -a division of Pae
1239 385 847 Sprint
702 359 578 UUNET - Commercial IP service
6198 357 508 BellSouth Network Solutions,
6517 357 387 Yipes Communications, Inc.
8151 351 708 UniNet S.A. de C.V.
17849 347 347 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:41 12:1627 13:1 15:12 16:3
17:3 18:4 20:43 24:739 25:1 30:2
32:59 38:213 40:54 41:1 44:3 47:6
52:4 55:1 56:3 57:25 58:149 59:192
60:181 61:853 62:762 63:1926 64:3171 65:2254
66:3002 67:608 68:657 69:1490 70:328 71:82
72:702 73:23 74:34 80:773 81:630 82:602
83:391 84:386 85:527 86:393 87:331 88:84
89:185 124:273 125:383 128:159 129:187 130:114
131:311 132:33 133:8 134:159 135:46 136:178
137:75 138:198 139:70 140:468 141:136 142:373
143:164 144:227 145:39 146:326 147:136 148:331
149:186 150:114 151:85 152:68 153:107 154:6
155:198 156:98 157:145 158:161 159:171 160:88
161:75 162:261 163:146 164:180 165:213 166:163
167:246 168:488 169:128 170:336 171:14 183:1
190:72 192:5751 193:3381 194:2613 195:1828 196:845
198:3900 199:3229 200:4453 201:934 202:6611 203:6860
204:3893 205:2089 206:2401 207:2948 208:2060 209:3788
210:1912 211:682 212:1198 213:1468 214:357 215:41
216:4147 217:1157 218:272 219:193 220:654 221:358
222:147
End of report
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