[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat May 2 04:18:39 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 02 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 288051
Prefixes after maximum aggregation: 136022
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 141369
Total ASes present in the Internet Routing Table: 31138
Prefixes per ASN: 9.25
Origin-only ASes present in the Internet Routing Table: 27105
Origin ASes announcing only one prefix: 13215
Transit ASes present in the Internet Routing Table: 4033
Transit-only ASes present in the Internet Routing Table: 92
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: 469
Unregistered ASNs in the Routing Table: 153
Number of 32-bit ASNs allocated by the RIRs: 139
Prefixes from 32-bit ASNs in the Routing Table: 28
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2038219584
Equivalent to 121 /8s, 124 /16s and 195 /24s
Percentage of available address space announced: 55.0
Percentage of allocated address space announced: 63.6
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 76.6
Total number of prefixes smaller than registry allocations: 142557
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 67520
Total APNIC prefixes after maximum aggregation: 24106
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 64190
Unique aggregates announced from the APNIC address blocks: 28896
APNIC Region origin ASes present in the Internet Routing Table: 3608
APNIC Prefixes per ASN: 17.79
APNIC Region origin ASes announcing only one prefix: 973
APNIC Region transit ASes present in the Internet Routing Table: 550
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 412626208
Equivalent to 24 /8s, 152 /16s and 45 /24s
Percentage of available APNIC address space announced: 76.9
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: 125338
Total ARIN prefixes after maximum aggregation: 66038
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 94482
Unique aggregates announced from the ARIN address blocks: 36854
ARIN Region origin ASes present in the Internet Routing Table: 12953
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 5000
ARIN Region transit ASes present in the Internet Routing Table: 1251
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 428374528
Equivalent to 25 /8s, 136 /16s and 122 /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: 66051
Total RIPE prefixes after maximum aggregation: 38227
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 60366
Unique aggregates announced from the RIPE address blocks: 40195
RIPE Region origin ASes present in the Internet Routing Table: 12951
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 6792
RIPE Region transit ASes present in the Internet Routing Table: 1950
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 393305888
Equivalent to 23 /8s, 113 /16s and 95 /24s
Percentage of available RIPE address space announced: 83.7
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: 23793
Total LACNIC prefixes after maximum aggregation: 5880
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 21946
Unique aggregates announced from the LACNIC address blocks: 12120
LACNIC Region origin ASes present in the Internet Routing Table: 1104
LACNIC Prefixes per ASN: 19.88
LACNIC Region origin ASes announcing only one prefix: 360
LACNIC Region transit ASes present in the Internet Routing Table: 182
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 62785280
Equivalent to 3 /8s, 190 /16s and 7 /24s
Percentage of available LACNIC address space announced: 62.4
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: 4921
Total AfriNIC prefixes after maximum aggregation: 1428
AfriNIC Deaggregation factor: 3.45
Prefixes being announced from the AfriNIC address blocks: 4582
Unique aggregates announced from the AfriNIC address blocks: 1400
AfriNIC Region origin ASes present in the Internet Routing Table: 293
AfriNIC Prefixes per ASN: 15.64
AfriNIC Region origin ASes announcing only one prefix: 90
AfriNIC Region transit ASes present in the Internet Routing Table: 59
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 11304960
Equivalent to 0 /8s, 172 /16s and 128 /24s
Percentage of available AfriNIC address space announced: 33.7
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 1697 6930 402 Korea Telecom (KIX)
17488 1555 124 98 Hathway IP Over Cable Interne
4755 1238 466 124 TATA Communications formerly
9583 1085 86 536 Sify Limited
4134 898 16676 373 CHINANET-BACKBONE
7545 787 168 107 TPG Internet Pty Ltd
23577 779 34 662 Korea Telecom (ATM-MPLS)
18101 753 217 31 Reliance Infocom Ltd Internet
24560 684 229 175 Bharti Airtel Ltd.
9498 644 295 51 BHARTI BT INTERNET LTD.
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 4312 3653 344 bellsouth.net, inc.
209 2627 4151 621 Qwest
4323 1846 1051 376 Time Warner Telecom
1785 1752 717 139 PaeTec Communications, Inc.
20115 1603 1442 724 Charter Communications
7018 1470 5896 1018 AT&T WorldNet Services
6478 1391 308 427 AT&T Worldnet Services
2386 1260 682 909 AT&T Data Communications Serv
3356 1197 10980 452 Level 3 Communications, LLC
11492 1096 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 1235 188 7 TEDATA
30890 541 88 200 Evolva Telecom
3292 454 1763 393 TDC Tele Danmark
12479 448 578 6 Uni2 Autonomous System
8866 366 109 23 Bulgarian Telecommunication C
3320 347 7082 298 Deutsche Telekom AG
3215 343 3041 108 France Telecom Transpac
3301 343 1670 307 TeliaNet Sweden
35805 332 24 4 United Telecom of Georgia
29049 321 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 1442 2847 235 UniNet S.A. de C.V.
10620 905 208 88 TVCABLE BOGOTA
22047 617 302 14 VTR PUNTO NET S.A.
7303 522 270 75 Telecom Argentina Stet-France
11830 516 294 34 Instituto Costarricense de El
11172 443 102 72 Servicios Alestra S.A de C.V
6471 442 96 31 ENTEL CHILE S.A.
28573 423 557 27 NET Servicos de Comunicao S.A
16814 409 31 10 NSS, S.A.
7738 397 794 28 Telecomunicacoes da Bahia S.A
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 859 79 37 LINKdotNET AS number
20858 299 34 4 This AS will be used to conne
3741 277 860 237 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 159 150 15 Itissalat Al-MAGHRIB
33783 151 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 9 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 115 507 66 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 4312 3653 344 bellsouth.net, inc.
209 2627 4151 621 Qwest
4323 1846 1051 376 Time Warner Telecom
1785 1752 717 139 PaeTec Communications, Inc.
4766 1697 6930 402 Korea Telecom (KIX)
20115 1603 1442 724 Charter Communications
17488 1555 124 98 Hathway IP Over Cable Interne
7018 1470 5896 1018 AT&T WorldNet Services
8151 1442 2847 235 UniNet S.A. de C.V.
6478 1391 308 427 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 2627 2006 Qwest
1785 1752 1613 PaeTec Communications, Inc.
4323 1846 1470 Time Warner Telecom
17488 1555 1457 Hathway IP Over Cable Interne
4766 1697 1295 Korea Telecom (KIX)
8452 1235 1228 TEDATA
8151 1442 1207 UniNet S.A. de C.V.
4755 1238 1114 TATA Communications formerly
11492 1096 1085 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
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
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
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 /10:20 /11:58 /12:166
/13:336 /14:597 /15:1147 /16:10439 /17:4716 /18:8093
/19:17101 /20:20371 /21:20238 /22:25913 /23:25432 /24:150686
/25:902 /26:1051 /27:540 /28:161 /29:37 /30:10
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2809 4312 bellsouth.net, inc.
4766 1391 1697 Korea Telecom (KIX)
209 1334 2627 Qwest
17488 1306 1555 Hathway IP Over Cable Interne
8452 1209 1235 TEDATA
1785 1158 1752 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1034 1096 Cable One
2386 958 1260 AT&T Data Communications Serv
4323 952 1846 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:197 12:2217 13:6 15:19
16:3 17:4 20:35 24:1051 32:50 38:529
40:97 41:2006 43:1 44:2 47:22 52:4
55:2 56:3 57:25 58:577 59:635 60:459
61:1124 62:1111 63:2049 64:3669 65:2390 66:3619
67:1533 68:721 69:2583 70:533 71:145 72:1649
73:2 74:1482 75:170 76:311 77:829 78:549
79:331 80:973 81:819 82:561 83:422 84:602
85:1052 86:394 87:648 88:356 89:1455 90:47
91:2170 92:335 93:1058 94:1215 95:1145 96:123
97:201 98:465 99:17 109:1 110:89 112:114
113:101 114:230 115:250 116:1163 117:522 118:290
119:687 120:146 121:715 122:1012 123:686 124:972
125:1312 128:222 129:232 130:127 131:416 132:73
133:9 134:183 135:215 136:242 137:153 138:159
139:80 140:441 141:107 142:376 143:348 144:361
145:47 146:373 147:154 148:515 149:236 150:181
151:199 152:147 153:138 154:2 155:273 156:169
157:300 158:115 159:306 160:280 161:133 162:273
163:151 164:484 165:539 166:276 167:361 168:683
169:161 170:472 171:39 172:10 173:277 174:200
178:1 186:9 187:82 188:9 189:336 190:2643
192:5796 193:4226 194:3312 195:2686 196:1059 198:3715
199:3344 200:5424 201:1384 202:7851 203:8193 204:3815
205:2147 206:2426 207:2803 208:3912 209:3381 210:2701
211:1108 212:1514 213:1692 214:71 215:30 216:4636
217:1266 218:367 219:429 220:1211 221:470 222:293
End of report
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