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From: Routing Analysis Role Account (no email)
Date: Fri Nov 03 2006 - 13:02:22 EST
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
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <>.
Routing Table Report 04:00 +10GMT Sat 04 Nov, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202451
Prefixes after maximum aggregation: 110029
Unique aggregates announced to Internet: 98259
Total ASes present in the Internet Routing Table: 23539
Origin-only ASes present in the Internet Routing Table: 20493
Origin ASes announcing only one prefix: 9862
Transit ASes present in the Internet Routing Table: 3046
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 2
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1625968400
Equivalent to 96 /8s, 234 /16s and 79 /24s
Percentage of available address space announced: 43.9
Percentage of allocated address space announced: 60.7
Percentage of available address space allocated: 72.3
Total number of prefixes smaller than registry allocations: 102103
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44918
Total APNIC prefixes after maximum aggregation: 18279
Prefixes being announced from the APNIC address blocks: 42504
Unique aggregates announced from the APNIC address blocks: 18572
APNIC Region origin ASes present in the Internet Routing Table: 2739
APNIC Region origin ASes announcing only one prefix: 761
APNIC Region transit ASes present in the Internet Routing Table: 417
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 265522528
Equivalent to 15 /8s, 211 /16s and 141 /24s
Percentage of available APNIC address space announced: 83.0
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, 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: 101032
Total ARIN prefixes after maximum aggregation: 59784
Prefixes being announced from the ARIN address blocks: 74283
Unique aggregates announced from the ARIN address blocks: 28181
ARIN Region origin ASes present in the Internet Routing Table: 11101
ARIN Region origin ASes announcing only one prefix: 4218
ARIN Region transit ASes present in the Internet Routing Table: 1041
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 308402080
Equivalent to 18 /8s, 97 /16s and 215 /24s
Percentage of available ARIN address space announced: 68.1
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, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 41038
Total RIPE prefixes after maximum aggregation: 27152
Prefixes being announced from the RIPE address blocks: 37976
Unique aggregates announced from the RIPE address blocks: 25439
RIPE Region origin ASes present in the Internet Routing Table: 8710
RIPE Region origin ASes announcing only one prefix: 4592
RIPE Region transit ASes present in the Internet Routing Table: 1398
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 271540228
Equivalent to 16 /8s, 47 /16s and 96 /24s
Percentage of available RIPE address space announced: 73.6
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
40960-41983
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 13120
Total LACNIC prefixes after maximum aggregation: 3886
Prefixes being announced from the LACNIC address blocks: 11098
Unique aggregates announced from the LACNIC address blocks: 6764
LACNIC Region origin ASes present in the Internet Routing Table: 744
LACNIC Region origin ASes announcing only one prefix: 241
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 33934592
Equivalent to 2 /8s, 5 /16s and 205 /24s
Percentage of available LACNIC address space announced: 50.6
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: 2341
Total AfriNIC prefixes after maximum aggregation: 928
Prefixes being announced from the AfriNIC address blocks: 1621
Unique aggregates announced from the AfriNIC address blocks: 1041
AfriNIC Region origin ASes present in the Internet Routing Table: 166
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 28
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4332800
Equivalent to 0 /8s, 66 /16s and 29 /24s
Percentage of available AfriNIC address space announced: 12.9
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 1222 8455 244 CHINANET-BACKBONE
4755 1026 384 67 Videsh Sanchar Nigam Ltd. Aut
9583 953 109 15 Sify Limited
9498 864 212 64 BHARTI BT INTERNET LTD.
23577 776 35 707 KRNIC
4766 739 4436 306 Korea Telecom (KIX)
1221 609 1780 468 Telstra Pty Ltd
17488 547 34 15 Hathway IP Over Cable Interne
7545 544 124 73 TPG Internet Pty Ltd
17676 500 10934 64 Softbank BB Corp.
18101 473 86 22 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
4812 438 745 60 China Telecom (Shanghai)
9942 433 77 127 COMindico Australia
17849 430 36 126 Telecommunications Technology
4802 411 86 151 Wantree Development
10139 371 23 6 Meridian Telekoms
17974 367 129 12 PT TELEKOMUNIKASI INDONESIA
17557 365 31 176 Pakistan Telecom
2907 334 1749 311 SINET Japan
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1537 6189 986 AT&T WorldNet Services
2386 1118 581 746 AT&T Data Communications Serv
4323 1030 786 291 Time Warner Telecom
6197 1020 613 497 BellSouth Network Solutions,
18566 972 272 8 Covad Communications
701 944 6722 772 UUNET Technologies, Inc.
174 939 6821 864 Cogent Communications
721 859 21925 305 DLA Systems Automation Center
1239 841 2748 588 Sprint
11492 798 96 18 Cable One
19262 782 2438 181 Verizon Global Networks
20115 758 682 399 Charter Communications
22773 715 1744 43 Cox Communications, Inc.
209 710 3777 558 Qwest
7011 689 213 430 Citizens Utilities
852 594 1087 389 Telus Advanced Communications
19916 565 49 54 OLM LLC
5668 541 145 18 CenturyTel Internet Holdings,
855 537 250 74 Canadian Research Network
6478 536 1321 338 AT&T Worldnet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 549 1929 428 UUNET - Commercial IP service
3301 311 1200 295 TeliaNet Sweden
3320 308 5016 249 Deutsche Telekom AG
24863 276 41 30 LINKdotNET AS number
8220 273 470 263 COLT Telecommunications
6746 251 92 228 Dynamic Network Technologies,
680 250 2041 246 DFN-IP service G-WiN
9116 228 134 23 Goldenlines main autonomous s
3246 227 469 217 Song Networks
8708 222 279 209 Romania Data Systems S.A.
3215 220 1956 93 France Telecom Transpac
1257 215 740 171 SWIPnet Swedish IP Network
8551 214 198 29 Bezeq International
3269 207 2341 75 TELECOM ITALIA
30890 204 18 80 SC Kappa Invexim SRL
5416 188 13 13 BATELCO-BH
6830 188 823 39 UPC Distribution Services
3300 177 171 96 AUCS Communications Services
786 171 1779 171 The JANET IP Service
3352 168 1703 31 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 761 1922 216 UniNet S.A. de C.V.
11830 477 299 19 Instituto Costarricense de El
11172 434 101 88 Servicios Alestra S.A de C.V
16814 330 20 9 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
6147 268 148 25 Telefonica Del Peru
6471 267 74 30 ENTEL CHILE S.A.
14117 240 15 10 Telefonica del Sur S.A.
7303 210 94 36 Telecom Argentina Stet-France
6503 194 169 87 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
21826 145 19 30 INTERCABLE
7910 139 11 23 ANDINET ON LINE
19169 136 9 21 Telconet
19429 135 83 39 E.T.B.
23216 135 19 43 RAMtelecom Telecomunicaciones
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
14522 117 18 9 SatNet S.A.
7738 116 442 21 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 294 804 234 The Internet Solution
8452 172 60 7 TEDATA
6713 145 139 12 Itissalat Al-MAGHRIB
15475 135 84 4 Nile Online
2018 133 297 111 Tertiary Education Network
5536 122 8 17 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 109 6 4 EEPAD TISP TELECOM & INTERNET
2905 75 157 68 The Internetworking Company o
2561 56 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
12455 39 6 3 Jambonet Autonomous system
5713 36 293 32 Telkom SA Ltd
33774 35 7 21 AS Number for Telecom Algeria
8524 30 2 6 AUCEGYPT Autonomous System
23889 30 10 13 MAURITIUS TELECOM
21280 26 4 4 Swift Global Kenya Ltd.Is an
16637 24 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
21491 21 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1222 978 CHINANET-BACKBONE
18566 972 964 Covad Communications
4755 1026 959 Videsh Sanchar Nigam Ltd. Aut
9583 953 938 Sify Limited
9498 864 800 BHARTI BT INTERNET LTD.
11492 798 780 Cable One
4323 1030 739 Time Warner Telecom
22773 715 672 Cox Communications, Inc.
19262 782 601 Verizon Global Networks
721 859 554 DLA Systems Automation Center
8151 761 545 UniNet S.A. de C.V.
17488 547 532 Hathway IP Over Cable Interne
6197 1020 523 BellSouth Network Solutions,
5668 541 523 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
7545 544 471 TPG Internet Pty Ltd
855 537 463 Canadian Research Network
11830 477 458 Instituto Costarricense de El
18101 473 451 Reliance Infocom Ltd Internet
15270 482 447 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65000 PRIVATE 203.98.210.64/27 1803 SPRINT
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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
172.33.1.0/24 7018 AT&T WorldNet Services
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
192.172.0.0/19 721 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 /9:10 /10:13 /11:29 /12:107
/13:218 /14:391 /15:786 /16:9051 /17:3531 /18:5788
/19:12639 /20:14167 /21:12546 /22:15920 /23:17380 /24:108091
/25:643 /26:542 /27:358 /28:70 /29:40 /30:82
/31:0 /32:30
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 955 972 Covad Communications
2386 833 1118 AT&T Data Communications Serv
7018 814 1537 AT&T WorldNet Services
6197 800 1020 BellSouth Network Solutions,
11492 784 798 Cable One
9583 782 953 Sify Limited
23577 762 776 KRNIC
7011 595 689 Citizens Utilities
19916 559 565 OLM LLC
4766 549 739 Korea Telecom (KIX)
9498 524 864 BHARTI BT INTERNET LTD.
4755 456 1026 Videsh Sanchar Nigam Ltd. Aut
15270 451 482 PaeTec.net -a division of Pae
855 433 537 Canadian Research Network
5668 421 541 CenturyTel Internet Holdings,
1239 419 841 Sprint
17849 416 430 Telecommunications Technology
18101 406 473 Reliance Infocom Ltd Internet
22773 381 715 Cox Communications, Inc.
33588 370 391 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 6:1 8:55 12:1647 13:1 15:16
16:3 17:3 18:4 20:38 24:836 32:58
38:262 40:57 41:17 44:1 47:8 52:4
53:1 55:1 56:3 57:25 58:253 59:308
60:216 61:946 62:986 63:1874 64:3105 65:2238
66:3027 67:653 68:648 69:1679 70:404 71:107
72:999 74:93 75:11 80:847 81:708 82:632
83:395 84:446 85:700 86:415 87:420 88:237
89:547 91:35 121:59 122:24 124:430 125:686
128:284 129:206 130:124 131:314 132:35 133:9
134:167 135:50 136:179 137:113 138:207 139:47
140:525 141:132 142:346 143:192 144:241 145:43
146:328 147:140 148:372 149:177 150:115 151:118
152:80 153:121 154:5 155:261 156:152 157:162
158:152 159:173 160:97 161:86 162:215 163:148
164:237 165:234 166:243 167:264 168:484 169:124
170:387 171:11 172:1 189:2 190:266 192:5757
193:3553 194:2757 195:2113 196:868 198:3797 199:3313
200:4546 201:954 202:6961 203:7135 204:3928 205:2110
206:2402 207:2953 208:2326 209:3563 210:2167 211:870
212:1335 213:1444 214:386 215:39 216:4087 217:1144
218:345 219:264 220:801 221:377 222:249
End of report
Report Website: http://thyme.apnic.net
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