[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jan 13 05:02:28 EST 2007
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
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 13 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 207335
Prefixes after maximum aggregation: 112275
Deaggregation factor: 1.85
Unique aggregates announced to Internet: 101123
Total ASes present in the Internet Routing Table: 24109
Origin-only ASes present in the Internet Routing Table: 21004
Origin ASes announcing only one prefix: 10167
Transit ASes present in the Internet Routing Table: 3105
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: 32
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 1
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1654125772
Equivalent to 98 /8s, 151 /16s and 244 /24s
Percentage of available address space announced: 44.6
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 105540
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 46064
Total APNIC prefixes after maximum aggregation: 18654
APNIC Deaggregation factor: 2.47
Prefixes being announced from the APNIC address blocks: 43622
Unique aggregates announced from the APNIC address blocks: 19166
APNIC Region origin ASes present in the Internet Routing Table: 2819
APNIC Region origin ASes announcing only one prefix: 794
APNIC Region transit ASes present in the Internet Routing Table: 421
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 274913376
Equivalent to 16 /8s, 98 /16s and 216 /24s
Percentage of available APNIC address space announced: 86.0
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: 102243
Total ARIN prefixes after maximum aggregation: 60587
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 75424
Unique aggregates announced from the ARIN address blocks: 28773
ARIN Region origin ASes present in the Internet Routing Table: 11259
ARIN Region origin ASes announcing only one prefix: 4313
ARIN Region transit ASes present in the Internet Routing Table: 1040
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 312109696
Equivalent to 18 /8s, 154 /16s and 106 /24s
Percentage of available ARIN address space announced: 68.9
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, 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: 42963
Total RIPE prefixes after maximum aggregation: 28092
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 39732
Unique aggregates announced from the RIPE address blocks: 26449
RIPE Region origin ASes present in the Internet Routing Table: 9024
RIPE Region origin ASes announcing only one prefix: 4756
RIPE Region transit ASes present in the Internet Routing Table: 1449
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 284066980
Equivalent to 16 /8s, 238 /16s and 132 /24s
Percentage of available RIPE address space announced: 77.0
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
40960-43007
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: 13538
Total LACNIC prefixes after maximum aggregation: 3991
LACNIC Deaggregation factor: 3.39
Prefixes being announced from the LACNIC address blocks: 11624
Unique aggregates announced from the LACNIC address blocks: 7166
LACNIC Region origin ASes present in the Internet Routing Table: 756
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 36115200
Equivalent to 2 /8s, 39 /16s and 19 /24s
Percentage of available LACNIC address space announced: 53.8
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: 2526
Total AfriNIC prefixes after maximum aggregation: 951
AfriNIC Deaggregation factor: 2.66
Prefixes being announced from the AfriNIC address blocks: 1769
Unique aggregates announced from the AfriNIC address blocks: 1132
AfriNIC Region origin ASes present in the Internet Routing Table: 172
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5344768
Equivalent to 0 /8s, 81 /16s and 142 /24s
Percentage of available AfriNIC address space announced: 15.9
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 1265 8645 264 CHINANET-BACKBONE
4755 1046 384 68 Videsh Sanchar Nigam Ltd. Aut
9583 1025 99 66 Sify Limited
9498 919 467 65 BHARTI BT INTERNET LTD.
23577 771 34 700 KRNIC
4766 761 4946 312 Korea Telecom (KIX)
1221 574 1698 445 Telstra Pty Ltd
17488 567 35 22 Hathway IP Over Cable Interne
7545 562 126 74 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 499 87 27 Reliance Infocom Ltd Internet
9443 442 111 74 Primus Telecommunications
4812 436 759 69 China Telecom (Shanghai)
9942 436 85 131 COMindico Australia
17974 365 129 12 PT TELEKOMUNIKASI INDONESIA
4802 360 86 150 Wantree Development
17557 355 35 169 Pakistan Telecom
17849 353 33 93 Telecommunications Technology
2907 332 1749 309 SINET Japan
4837 331 3943 144 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1537 6161 998 AT&T WorldNet Services
2386 1106 585 733 AT&T Data Communications Serv
4323 1065 821 300 Time Warner Telecom
6197 1022 639 500 BellSouth Network Solutions,
18566 984 272 8 Covad Communications
701 935 6676 749 UUNET Technologies, Inc.
174 933 6789 865 Cogent Communications
11492 908 99 13 Cable One
1239 822 2730 572 Sprint
19262 804 2538 182 Verizon Global Networks
20115 776 678 415 Charter Communications
721 748 21837 290 DLA Systems Automation Center
209 721 3748 567 Qwest
22773 715 1744 41 Cox Communications, Inc.
7011 688 209 429 Citizens Utilities
852 607 1093 393 Telus Advanced Communications
5668 570 161 19 CenturyTel Internet Holdings,
19916 567 48 57 OLM LLC
6198 550 519 256 BellSouth Network Solutions,
855 536 250 73 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1912 424 UUNET - Commercial IP service
3301 305 1199 287 TeliaNet Sweden
3320 296 4993 247 Deutsche Telekom AG
24863 296 45 25 LINKdotNET AS number
8220 271 473 262 COLT Telecommunications
6746 265 93 243 Dynamic Network Technologies,
680 256 2042 250 DFN-IP service G-WiN
8708 234 283 221 Romania Data Systems S.A.
3215 233 2136 96 France Telecom Transpac
1257 215 1069 171 SWIPnet Swedish IP Network
3269 211 2375 74 TELECOM ITALIA
3246 209 354 196 Song Networks
30890 209 19 90 SC Kappa Invexim SRL
5416 206 13 9 BATELCO-BH
8551 196 197 24 Bezeq International
3352 176 1767 31 Ibernet, Internet Access Netw
3300 175 171 88 AUCS Communications Services
12479 175 578 6 Uni2 Autonomous System
20858 175 34 3 This AS will be used to conne
786 172 1795 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 829 2015 204 UniNet S.A. de C.V.
11830 482 299 19 Instituto Costarricense de El
11172 385 104 78 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 307 206 11 VTR PUNTO NET S.A.
14117 258 16 13 Telefonica del Sur S.A.
6471 256 74 31 ENTEL CHILE S.A.
7303 230 103 32 Telecom Argentina Stet-France
6147 225 182 20 Telefonica Del Peru
6503 216 170 93 AVANTEL, S.A.
11556 212 105 7 Cable-Wireless Panama
10481 181 72 8 Prima S.A.
21826 156 20 35 INTERCABLE
23216 146 19 43 RAMtelecom Telecomunicaciones
18822 145 9 10 TELEFONICA MANQUEHUE
7910 144 10 33 ANDINET ON LINE
19429 141 84 35 E.T.B.
19169 139 9 22 Telconet
14522 134 21 8 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 289 868 231 The Internet Solution
8452 230 60 6 TEDATA
15475 154 84 4 Nile Online
6713 144 135 11 Itissalat Al-MAGHRIB
2018 138 309 113 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
33783 109 6 4 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 84 175 73 The Internetworking Company o
2561 60 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 55 13 15 MAURITIUS TELECOM
5713 41 294 34 Telkom SA Ltd
12455 39 6 3 Jambonet Autonomous system
33774 38 12 22 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
33766 33 2 1 Nyala Communications Pty Ltd
8524 30 2 6 AUCEGYPT Autonomous System
15804 27 2 1 AS of The Way Out Internet So
33776 27 2 5 Starcomms Nigeria Limited
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1265 1001 CHINANET-BACKBONE
4755 1046 978 Videsh Sanchar Nigam Ltd. Aut
18566 984 976 Covad Communications
9583 1025 959 Sify Limited
11492 908 895 Cable One
9498 919 854 BHARTI BT INTERNET LTD.
4323 1065 765 Time Warner Telecom
22773 715 674 Cox Communications, Inc.
8151 829 625 UniNet S.A. de C.V.
19262 804 622 Verizon Global Networks
5668 570 551 CenturyTel Internet Holdings,
17488 567 545 Hathway IP Over Cable Interne
6197 1022 522 BellSouth Network Solutions,
19916 567 510 OLM LLC
7545 562 488 TPG Internet Pty Ltd
18101 499 472 Reliance Infocom Ltd Internet
855 536 463 Canadian Research Network
15270 497 463 PaeTec.net -a division of Pae
11830 482 463 Instituto Costarricense de El
721 748 458 DLA Systems Automation Center
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
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
192.172.0.0/19 721 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 /11:30 /12:116
/13:228 /14:409 /15:804 /16:9100 /17:3636 /18:5933
/19:12911 /20:14500 /21:12941 /22:16483 /23:17922 /24:110644
/25:600 /26:454 /27:357 /28:72 /29:43 /30:86
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 967 984 Covad Communications
11492 894 908 Cable One
9583 854 1025 Sify Limited
7018 832 1537 AT&T WorldNet Services
2386 829 1106 AT&T Data Communications Serv
6197 795 1022 BellSouth Network Solutions,
23577 757 771 KRNIC
7011 593 688 Citizens Utilities
9498 579 919 BHARTI BT INTERNET LTD.
4766 569 761 Korea Telecom (KIX)
19916 562 567 OLM LLC
4755 486 1046 Videsh Sanchar Nigam Ltd. Aut
15270 465 497 PaeTec.net -a division of Pae
5668 440 570 CenturyTel Internet Holdings,
855 433 536 Canadian Research Network
18101 433 499 Reliance Infocom Ltd Internet
1239 408 822 Sprint
33588 400 422 Bresnan Communications, LLC.
17488 390 567 Hathway IP Over Cable Interne
6198 389 550 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:62 9:1 12:1653 13:1 15:15
16:3 17:3 18:5 20:36 24:870 25:1
32:55 38:274 40:57 41:57 44:2 47:10
52:4 53:1 55:1 56:3 57:25 58:277
59:365 60:190 61:960 62:1060 63:1893 64:3178
65:2298 66:3085 67:693 68:642 69:1705 70:407
71:129 72:1124 74:125 75:58 76:20 80:819
81:788 82:640 83:349 84:487 85:776 86:435
87:451 88:259 89:732 90:2 91:130 97:1
121:123 122:55 123:24 124:520 125:760 128:315
129:219 130:126 131:315 132:49 133:9 134:183
135:44 136:181 137:114 138:189 139:54 140:520
141:135 142:348 143:212 144:265 145:67 146:320
147:138 148:362 149:187 150:112 151:117 152:90
153:119 154:5 155:245 156:156 157:152 158:167
159:140 160:99 161:94 162:226 163:159 164:237
165:237 166:243 167:280 168:479 169:121 170:365
171:13 172:1 189:49 190:340 192:5740 193:3622
194:2897 195:2194 196:914 198:3772 199:3280 200:4632
201:952 202:7074 203:7271 204:3954 205:2108 206:2429
207:2896 208:2380 209:3565 210:2292 211:865 212:1296
213:1423 214:388 215:39 216:4087 217:1202 218:340
219:257 220:837 221:371 222:261
End of report
Report Website: http://thyme.apnic.net
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