[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 28 21:08:00 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 29 Apr, 2006
Analysis Summary
----------------
BGP routing table entries examined: 187662
Prefixes after maximum aggregation: 103564
Unique aggregates announced to Internet: 91730
Total ASes present in the Internet Routing Table: 22024
Origin-only ASes present in the Internet Routing Table: 19168
Origin ASes announcing only one prefix: 9112
Transit ASes present in the Internet Routing Table: 2856
Transit-only ASes present in the Internet Routing Table: 64
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 26
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1531037600
Equivalent to 91 /8s, 65 /16s and 199 /24s
Percentage of available address space announced: 41.3
Percentage of allocated address space announced: 59.8
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 92560
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 39444
Total APNIC prefixes after maximum aggregation: 16495
Prefixes being announced from the APNIC address blocks: 37144
Unique aggregates announced from the APNIC address blocks: 18237
APNIC Region origin ASes present in the Internet Routing Table: 2544
APNIC Region origin ASes announcing only one prefix: 715
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: 224866528
Equivalent to 13 /8s, 103 /16s and 48 /24s
Percentage of available APNIC address space announced: 70.3
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, 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: 97490
Total ARIN prefixes after maximum aggregation: 57569
Prefixes being announced from the ARIN address blocks: 71609
Unique aggregates announced from the ARIN address blocks: 26260
ARIN Region origin ASes present in the Internet Routing Table: 10653
ARIN Region origin ASes announcing only one prefix: 3984
ARIN Region transit ASes present in the Internet Routing Table: 982
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 288908288
Equivalent to 17 /8s, 56 /16s and 100 /24s
Percentage of available ARIN address space announced: 74.9
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: 37378
Total RIPE prefixes after maximum aggregation: 24958
Prefixes being announced from the RIPE address blocks: 34408
Unique aggregates announced from the RIPE address blocks: 23164
RIPE Region origin ASes present in the Internet Routing Table: 7926
RIPE Region origin ASes announcing only one prefix: 4142
RIPE Region transit ASes present in the Internet Routing Table: 1301
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 247025088
Equivalent to 14 /8s, 185 /16s and 77 /24s
Percentage of available RIPE address space announced: 77.5
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, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11217
Total LACNIC prefixes after maximum aggregation: 3641
Prefixes being announced from the LACNIC address blocks: 9325
Unique aggregates announced from the LACNIC address blocks: 5400
LACNIC Region origin ASes present in the Internet Routing Table: 682
LACNIC Region origin ASes announcing only one prefix: 223
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 26742272
Equivalent to 1 /8s, 152 /16s and 14 /24s
Percentage of available LACNIC address space announced: 39.8
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: 2131
Total AfriNIC prefixes after maximum aggregation: 901
Prefixes being announced from the AfriNIC address blocks: 1457
Unique aggregates announced from the AfriNIC address blocks: 948
AfriNIC Region origin ASes present in the Internet Routing Table: 155
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: 3.5
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4057344
Equivalent to 0 /8s, 61 /16s and 233 /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 1124 7073 221 CHINANET-BACKBONE
9583 896 109 16 Sify Limited
4755 768 257 66 Videsh Sanchar Nigam Ltd. Aut
4766 680 4436 307 Korea Telecom (KIX)
1221 617 1556 472 Telstra Pty Ltd
9498 576 212 72 BHARTI BT INTERNET LTD.
7545 527 108 69 TPG Internet Pty Ltd
17488 501 31 7 Hathway IP Over Cable Interne
17676 486 7029 108 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 382 81 176 Wantree Development
17849 346 22 113 Telecommunications Technology
18101 340 69 18 Reliance Infocom Ltd Internet
2907 336 1749 312 SINET Japan
17557 326 27 158 Pakistan Telecom
9929 323 221 57 China Netcom Corp.
17974 307 120 28 PT TELEKOMUNIKASI INDONESIA
7474 298 211 228 SingTel Optus Pty Ltd
9800 274 410 67 CHINA UNICOM
9837 265 78 158 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1503 6252 977 AT&T WorldNet Services
4323 1289 732 252 Time Warner Telecom
6197 1008 618 472 BellSouth Network Solutions,
721 1004 21945 305 DLA Systems Automation Center
174 962 5787 909 Cogent Communications
19029 953 151 111 New Edge Networks
18566 936 272 8 Covad Communications
701 933 8030 773 UUNET Technologies, Inc.
2386 876 537 668 AT&T Data Communications Serv
1239 844 2804 597 Sprint
209 717 3616 559 Qwest
19262 691 2021 162 Verizon Global Networks
20115 680 595 362 Charter Communications
22773 654 1737 44 Cox Communications, Inc.
7011 632 217 413 Citizens Utilities
11492 629 86 20 Cable One
852 582 1085 384 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 550 244 63 Canadian Research Network
3602 538 127 109 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 580 1951 456 UUNET - Commercial IP service
3352 310 1612 29 Ibernet, Internet Access Netw
3301 309 1072 294 TeliaNet Sweden
3320 289 3989 239 Deutsche Telekom AG
8220 289 474 267 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
3246 231 504 221 Song Networks
6746 226 88 201 Dynamic Network Technologies,
8708 218 276 201 Romania Data Systems S.A.
24863 207 40 9 LINKdotNET AS number
8551 202 198 24 Bezeq International
1257 196 742 170 SWIPnet Swedish IP Network
3215 196 1662 93 France Telecom Transpac
3269 196 2070 73 TELECOM ITALIA
8866 181 37 16 Bulgarian Telecommunication C
786 171 1778 171 The JANET IP Service
5400 171 363 140 BT Ignite European Backbone
6830 169 765 35 UPC Distribution Services
9121 168 931 27 TTnet Autonomous System
30890 163 15 62 SC Kappa Invexim SRL
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 701 1067 227 UniNet S.A. de C.V.
22047 408 158 11 VTR PUNTO NET S.A.
11172 323 110 84 Servicios Alestra S.A de C.V
16814 316 20 8 NSS, S.A.
6147 261 124 23 Telefonica Del Peru
14117 205 12 6 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
7303 160 75 18 Telecom Argentina Stet-France
21826 133 16 19 INTERCABLE
5639 132 12 9 Telecommunications Services o
11556 132 80 4 Cable-Wireless Panama
6503 127 149 79 AVANTEL, S.A.
19169 126 8 24 Telconet
14259 114 10 12 GTD Internet S.A.
23216 109 21 9 RAMtelecom Telecomunicaciones
6505 106 88 78 Global One Communicaoes Ltda
7910 105 7 10 ANDINET ON LINE
19429 103 58 44 E.T.B.
14522 99 13 7 SatNet S.A.
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 170 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
15475 57 84 4 Nile Online
20928 57 16 2 Noor Advanced Technologies AS
12455 42 6 7 Jambonet Autonomous system
5713 39 294 35 Telkom SA Ltd
15706 31 8 3 Sudatel Internet Exchange Aut
33774 30 7 20 AS Number for Telecom Algeria
8524 24 1 4 AUCEGYPT Autonomous System
16637 24 14 22 Johnnic e-Ventures
23889 23 6 16 MAURITIUS TELECOM
10798 22 1 13 Standard Bank of South Africa
2561 19 6 2 Egyptian Universities Network
21491 19 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1289 1037 Time Warner Telecom
18566 936 928 Covad Communications
4134 1124 903 CHINANET-BACKBONE
9583 896 880 Sify Limited
19029 953 842 New Edge Networks
4755 768 702 Videsh Sanchar Nigam Ltd. Aut
721 1004 699 DLA Systems Automation Center
22773 654 610 Cox Communications, Inc.
11492 629 609 Cable One
6197 1008 536 BellSouth Network Solutions,
19262 691 529 Verizon Global Networks
19916 563 509 OLM LLC
9498 576 504 BHARTI BT INTERNET LTD.
5668 533 503 CenturyTel Internet Holdings,
17488 501 494 Hathway IP Over Cable Interne
855 550 487 Canadian Research Network
8151 701 474 UniNet S.A. de C.V.
7545 527 458 TPG Internet Pty Ltd
7757 477 458 AT&T Broadband
3602 538 429 Sprint Canada, Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65241 PRIVATE 65.90.71.0/24 10794 Bank of America
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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 /12:89
/13:199 /14:361 /15:701 /16:8816 /17:3192 /18:5247
/19:11601 /20:13076 /21:11333 /22:14521 /23:15601 /24:101786
/25:382 /26:272 /27:225 /28:61 /29:70 /30:35
/31:0 /32:30
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 919 936 Covad Communications
19029 884 953 New Edge Networks
6197 797 1008 BellSouth Network Solutions,
7018 797 1503 AT&T WorldNet Services
9583 724 896 Sify Limited
4323 631 1289 Time Warner Telecom
11492 620 629 Cable One
2386 596 876 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 541 632 Citizens Utilities
4766 490 680 Korea Telecom (KIX)
7757 459 477 AT&T Broadband
855 425 550 Canadian Research Network
5668 414 533 CenturyTel Internet Holdings,
1239 380 844 Sprint
15270 376 407 PaeTec.net -a division of Pae
702 360 580 UUNET - Commercial IP service
6198 356 505 BellSouth Network Solutions,
6517 354 384 Yipes Communications, Inc.
17849 346 346 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 8:40 12:1629 13:1 15:12 16:3
17:3 18:4 20:43 24:887 25:1 30:2
32:58 38:208 40:54 41:1 44:3 45:2
47:6 52:4 55:1 56:3 57:31 58:150
59:185 60:177 61:831 62:765 63:1929 64:3158
65:2209 66:3091 67:598 68:677 69:1486 70:327
71:77 72:678 73:23 74:30 80:786 81:631
82:601 83:376 84:377 85:530 86:385 87:323
88:75 89:160 124:253 125:373 128:165 129:181
130:108 131:320 132:32 133:8 134:157 135:46
136:178 137:71 138:198 139:67 140:465 141:133
142:384 143:164 144:222 145:43 146:324 147:138
148:330 149:186 150:114 151:81 152:64 153:107
154:6 155:196 156:97 157:141 158:168 159:167
160:87 161:74 162:252 163:145 164:179 165:194
166:163 167:246 168:483 169:134 170:331 171:13
183:1 190:58 192:5775 193:3351 194:2597 195:1830
196:850 198:3906 199:3245 200:4430 201:911 202:6608
203:6823 204:3881 205:2090 206:2409 207:2936 208:2064
209:3795 210:1914 211:691 212:1260 213:1463 214:350
215:41 216:4103 217:1170 218:272 219:181 220:655
221:358 222:147
End of report
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