[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat May 16 04:15:49 EST 2009
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 16 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 288509
Prefixes after maximum aggregation: 136412
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 141329
Total ASes present in the Internet Routing Table: 31265
Prefixes per ASN: 9.23
Origin-only ASes present in the Internet Routing Table: 27181
Origin ASes announcing only one prefix: 13271
Transit ASes present in the Internet Routing Table: 4084
Transit-only ASes present in the Internet Routing Table: 93
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 33
Max AS path prepend of ASN (43683) 31
Prefixes from unregistered ASNs in the Routing Table: 464
Unregistered ASNs in the Routing Table: 151
Number of 32-bit ASNs allocated by the RIRs: 144
Prefixes from 32-bit ASNs in the Routing Table: 33
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 217
Number of addresses announced to Internet: 2045653328
Equivalent to 121 /8s, 238 /16s and 49 /24s
Percentage of available address space announced: 55.2
Percentage of allocated address space announced: 63.9
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 77.0
Total number of prefixes smaller than registry allocations: 142688
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 67654
Total APNIC prefixes after maximum aggregation: 24179
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 64332
Unique aggregates announced from the APNIC address blocks: 29021
APNIC Region origin ASes present in the Internet Routing Table: 3628
APNIC Prefixes per ASN: 17.73
APNIC Region origin ASes announcing only one prefix: 990
APNIC Region transit ASes present in the Internet Routing Table: 559
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 413775280
Equivalent to 24 /8s, 169 /16s and 181 /24s
Percentage of available APNIC address space announced: 77.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 112/8,
113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8,
120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8,
180/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 125540
Total ARIN prefixes after maximum aggregation: 66187
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 94652
Unique aggregates announced from the ARIN address blocks: 36596
ARIN Region origin ASes present in the Internet Routing Table: 12997
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 5002
ARIN Region transit ASes present in the Internet Routing Table: 1272
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 428644608
Equivalent to 25 /8s, 140 /16s and 153 /24s
Percentage of available ARIN address space announced: 82.4
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, 46080-47103
53248-55295
ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 66135
Total RIPE prefixes after maximum aggregation: 38352
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 60448
Unique aggregates announced from the RIPE address blocks: 40229
RIPE Region origin ASes present in the Internet Routing Table: 13009
RIPE Prefixes per ASN: 4.65
RIPE Region origin ASes announcing only one prefix: 6825
RIPE Region transit ASes present in the Internet Routing Table: 1961
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 393701408
Equivalent to 23 /8s, 119 /16s and 104 /24s
Percentage of available RIPE address space announced: 83.8
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
40960-45055, 47104-52223
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 23824
Total LACNIC prefixes after maximum aggregation: 5887
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 21985
Unique aggregates announced from the LACNIC address blocks: 12186
LACNIC Region origin ASes present in the Internet Routing Table: 1107
LACNIC Prefixes per ASN: 19.86
LACNIC Region origin ASes announcing only one prefix: 362
LACNIC Region transit ASes present in the Internet Routing Table: 187
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 63251840
Equivalent to 3 /8s, 197 /16s and 37 /24s
Percentage of available LACNIC address space announced: 62.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 4925
Total AfriNIC prefixes after maximum aggregation: 1468
AfriNIC Deaggregation factor: 3.35
Prefixes being announced from the AfriNIC address blocks: 4540
Unique aggregates announced from the AfriNIC address blocks: 1384
AfriNIC Region origin ASes present in the Internet Routing Table: 299
AfriNIC Prefixes per ASN: 15.18
AfriNIC Region origin ASes announcing only one prefix: 92
AfriNIC Region transit ASes present in the Internet Routing Table: 60
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 11359232
Equivalent to 0 /8s, 173 /16s and 84 /24s
Percentage of available AfriNIC address space announced: 33.9
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1698 6930 403 Korea Telecom (KIX)
17488 1584 128 104 Hathway IP Over Cable Interne
4755 1247 466 128 TATA Communications formerly
9583 1079 86 541 Sify Limited
4134 887 16660 372 CHINANET-BACKBONE
23577 780 34 662 Korea Telecom (ATM-MPLS)
7545 772 198 103 TPG Internet Pty Ltd
18101 754 217 32 Reliance Infocom Ltd Internet
24560 689 229 179 Bharti Airtel Ltd.
9829 670 561 14 BSNL National Internet Backbo
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4296 3647 324 bellsouth.net, inc.
209 2560 4149 607 Qwest
4323 1848 1035 373 Time Warner Telecom
1785 1759 717 139 PaeTec Communications, Inc.
20115 1627 1444 720 Charter Communications
7018 1490 5914 1024 AT&T WorldNet Services
6478 1404 310 400 AT&T Worldnet Services
2386 1262 697 915 AT&T Data Communications Serv
3356 1224 10981 461 Level 3 Communications, LLC
11492 1099 192 11 Cable One
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1200 188 7 TEDATA
30890 542 88 201 Evolva Telecom
3292 455 1893 393 TDC Tele Danmark
12479 449 578 6 Uni2 Autonomous System
8866 382 110 24 Bulgarian Telecommunication C
3320 349 7082 300 Deutsche Telekom AG
3215 343 3041 108 France Telecom Transpac
3301 340 1668 304 TeliaNet Sweden
35805 328 24 4 United Telecom of Georgia
29049 316 26 3 AzerSat LLC.
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1449 2862 231 UniNet S.A. de C.V.
10620 906 207 108 TVCABLE BOGOTA
22047 610 302 14 VTR PUNTO NET S.A.
7303 529 274 75 Telecom Argentina Stet-France
11830 516 294 34 Instituto Costarricense de El
28573 464 562 26 NET Servicos de Comunicao S.A
6471 443 96 32 ENTEL CHILE S.A.
11172 443 102 72 Servicios Alestra S.A de C.V
7738 397 794 28 Telecomunicacoes da Bahia S.A
3816 351 163 74 Empresa Nacional de Telecomun
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 860 79 37 LINKdotNET AS number
20858 308 34 5 This AS will be used to conne
3741 278 860 238 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 160 151 12 Itissalat Al-MAGHRIB
29571 139 15 9 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 116 6 7 Starcomms Nigeria Limited
5713 113 507 64 Telkom SA Ltd
24835 107 46 9 RAYA Telecom - Egypt
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4296 3647 324 bellsouth.net, inc.
209 2560 4149 607 Qwest
4323 1848 1035 373 Time Warner Telecom
1785 1759 717 139 PaeTec Communications, Inc.
4766 1698 6930 403 Korea Telecom (KIX)
20115 1627 1444 720 Charter Communications
17488 1584 128 104 Hathway IP Over Cable Interne
7018 1490 5914 1024 AT&T WorldNet Services
8151 1449 2862 231 UniNet S.A. de C.V.
6478 1404 310 400 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2560 1953 Qwest
1785 1759 1620 PaeTec Communications, Inc.
17488 1584 1480 Hathway IP Over Cable Interne
4323 1848 1475 Time Warner Telecom
4766 1698 1295 Korea Telecom (KIX)
8151 1449 1218 UniNet S.A. de C.V.
8452 1200 1193 TEDATA
4755 1247 1119 TATA Communications formerly
11492 1099 1088 Cable One
18566 1062 1052 Covad Communications
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
Complete listing at http://thyme.apnic.net/current/data-add-IANA
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 /10:21 /11:58 /12:166
/13:339 /14:597 /15:1148 /16:10461 /17:4739 /18:8141
/19:17145 /20:20411 /21:20300 /22:25974 /23:25603 /24:150667
/25:901 /26:1046 /27:547 /28:161 /29:37 /30:10
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2802 4296 bellsouth.net, inc.
4766 1389 1698 Korea Telecom (KIX)
17488 1307 1584 Hathway IP Over Cable Interne
209 1297 2560 Qwest
8452 1170 1200 TEDATA
1785 1164 1759 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1035 1099 Cable One
2386 970 1262 AT&T Data Communications Serv
4323 951 1848 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:12 8:199 12:2227 13:10 15:19 16:3
17:4 20:35 24:1068 32:50 38:533 40:97
41:1952 43:1 44:2 47:22 52:4 55:2
56:3 57:25 58:581 59:642 60:459 61:1094
62:1097 63:2087 64:3690 65:2392 66:3595 67:1622
68:766 69:2605 70:532 71:146 72:1653 73:2
74:1527 75:172 76:310 77:841 78:562 79:329
80:977 81:804 82:526 83:430 84:615 85:1050
86:407 87:653 88:355 89:1440 90:57 91:2204
92:322 93:1011 94:1196 95:1217 96:124 97:208
98:218 99:22 109:1 110:119 112:120 113:104
114:256 115:288 116:1160 117:517 118:293 119:694
120:142 121:723 122:1019 123:674 124:955 125:1319
128:220 129:234 130:126 131:413 132:73 133:9
134:187 135:213 136:242 137:155 138:160 139:80
140:445 141:109 142:380 143:342 144:360 145:47
146:376 147:153 148:518 149:237 150:177 151:198
152:147 153:139 154:2 155:274 156:169 157:297
158:115 159:312 160:282 161:138 162:268 163:151
164:481 165:503 166:275 167:363 168:685 169:166
170:477 171:40 172:10 173:281 174:210 178:1
186:14 187:89 188:17 189:351 190:2631 192:5812
193:4218 194:3299 195:2698 196:1066 198:3662 199:3351
200:5305 201:1356 202:7838 203:8198 204:3815 205:2143
206:2458 207:2814 208:3913 209:3425 210:2659 211:1114
212:1521 213:1673 214:76 215:30 216:4651 217:1259
218:371 219:427 220:1214 221:472 222:295
End of report
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