[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Apr 11 04:12:53 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 11 Apr, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 284772
Prefixes after maximum aggregation: 134860
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 140279
Total ASes present in the Internet Routing Table: 30988
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 26974
Origin ASes announcing only one prefix: 13104
Transit ASes present in the Internet Routing Table: 4014
Transit-only ASes present in the Internet Routing Table: 96
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (12445) 18
Prefixes from unregistered ASNs in the Routing Table: 466
Unregistered ASNs in the Routing Table: 154
Number of 32-bit ASNs allocated by the RIRs: 141
Prefixes from 32-bit ASNs in the Routing Table: 21
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 216
Number of addresses announced to Internet: 2028311744
Equivalent to 120 /8s, 229 /16s and 148 /24s
Percentage of available address space announced: 54.7
Percentage of allocated address space announced: 64.0
Percentage of available address space allocated: 85.5
Percentage of address space in use by end-sites: 76.3
Total number of prefixes smaller than registry allocations: 140014
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 66071
Total APNIC prefixes after maximum aggregation: 23545
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 62831
Unique aggregates announced from the APNIC address blocks: 28740
APNIC Region origin ASes present in the Internet Routing Table: 3599
APNIC Prefixes per ASN: 17.46
APNIC Region origin ASes announcing only one prefix: 972
APNIC Region transit ASes present in the Internet Routing Table: 552
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 410009632
Equivalent to 24 /8s, 112 /16s and 64 /24s
Percentage of available APNIC address space announced: 81.5
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,
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: 124382
Total ARIN prefixes after maximum aggregation: 65792
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 93794
Unique aggregates announced from the ARIN address blocks: 36496
ARIN Region origin ASes present in the Internet Routing Table: 12905
ARIN Prefixes per ASN: 7.27
ARIN Region origin ASes announcing only one prefix: 4975
ARIN Region transit ASes present in the Internet Routing Table: 1248
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 423891200
Equivalent to 25 /8s, 68 /16s and 17 /24s
Percentage of available ARIN address space announced: 81.5
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
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: 65290
Total RIPE prefixes after maximum aggregation: 37961
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 59837
Unique aggregates announced from the RIPE address blocks: 39912
RIPE Region origin ASes present in the Internet Routing Table: 12866
RIPE Prefixes per ASN: 4.65
RIPE Region origin ASes announcing only one prefix: 6724
RIPE Region transit ASes present in the Internet Routing Table: 1940
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 392731424
Equivalent to 23 /8s, 104 /16s and 155 /24s
Percentage of available RIPE address space announced: 83.6
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
40960-45055, 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: 23758
Total LACNIC prefixes after maximum aggregation: 5825
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 21967
Unique aggregates announced from the LACNIC address blocks: 11938
LACNIC Region origin ASes present in the Internet Routing Table: 1089
LACNIC Prefixes per ASN: 20.17
LACNIC Region origin ASes announcing only one prefix: 346
LACNIC Region transit ASes present in the Internet Routing Table: 174
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 62202240
Equivalent to 3 /8s, 181 /16s and 33 /24s
Percentage of available LACNIC address space announced: 61.8
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: 4843
Total AfriNIC prefixes after maximum aggregation: 1393
AfriNIC Deaggregation factor: 3.48
Prefixes being announced from the AfriNIC address blocks: 4481
Unique aggregates announced from the AfriNIC address blocks: 1360
AfriNIC Region origin ASes present in the Internet Routing Table: 289
AfriNIC Prefixes per ASN: 15.51
AfriNIC Region origin ASes announcing only one prefix: 87
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 10201344
Equivalent to 0 /8s, 155 /16s and 169 /24s
Percentage of available AfriNIC address space announced: 30.4
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 1691 6929 395 Korea Telecom (KIX)
17488 1537 122 96 Hathway IP Over Cable Interne
4755 1180 405 180 TATA Communications formerly
9583 1087 86 539 Sify Limited
4134 891 16388 368 CHINANET-BACKBONE
7545 785 164 106 TPG Internet Pty Ltd
18101 755 216 30 Reliance Infocom Ltd Internet
24560 681 228 174 Bharti Airtel Ltd.
9498 664 296 50 BHARTI BT INTERNET LTD.
9829 638 491 20 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 4305 3669 345 bellsouth.net, inc.
209 2644 4151 622 Qwest
4323 1827 1049 376 Time Warner Telecom
1785 1744 717 138 PaeTec Communications, Inc.
20115 1593 1425 723 Charter Communications
7018 1445 5895 1018 AT&T WorldNet Services
6478 1317 297 483 AT&T Worldnet Services
2386 1249 681 898 AT&T Data Communications Serv
11492 1211 192 11 Cable One
3356 1193 10979 452 Level 3 Communications, LLC
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 1193 188 7 TEDATA
30890 544 88 199 SC Kappa Invexim SRL
3292 450 1764 388 TDC Tele Danmark
12479 401 578 6 Uni2 Autonomous System
3320 343 7081 294 Deutsche Telekom AG
3215 340 3025 108 France Telecom Transpac
3301 340 1685 305 TeliaNet Sweden
8866 337 109 22 Bulgarian Telecommunication C
29049 320 26 3 AzerSat LLC.
35805 316 24 4 United Telecom of Georgia
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 2848 232 UniNet S.A. de C.V.
10620 854 194 102 TVCABLE BOGOTA
22047 604 302 14 VTR PUNTO NET S.A.
16814 589 31 10 NSS, S.A.
7303 520 265 72 Telecom Argentina Stet-France
11830 518 294 42 Instituto Costarricense de El
6471 442 96 31 ENTEL CHILE S.A.
11172 411 102 72 Servicios Alestra S.A de C.V
28573 399 526 25 NET Servicos de Comunicao 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 852 77 36 LINKdotNET AS number
20858 296 34 4 This AS will be used to conne
3741 277 860 237 The Internet Solution
2018 242 215 142 Tertiary Education Network
6713 159 150 15 Itissalat Al-MAGHRIB
33783 148 10 8 EEPAD TISP TELECOM & INTERNET
29571 138 15 9 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 115 507 66 Telkom SA Ltd
33776 109 6 3 Starcomms Nigeria Limited
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 4305 3669 345 bellsouth.net, inc.
209 2644 4151 622 Qwest
4323 1827 1049 376 Time Warner Telecom
1785 1744 717 138 PaeTec Communications, Inc.
4766 1691 6929 395 Korea Telecom (KIX)
20115 1593 1425 723 Charter Communications
17488 1537 122 96 Hathway IP Over Cable Interne
7018 1445 5895 1018 AT&T WorldNet Services
8151 1442 2848 232 UniNet S.A. de C.V.
6478 1317 297 483 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 2644 2022 Qwest
1785 1744 1606 PaeTec Communications, Inc.
4323 1827 1451 Time Warner Telecom
17488 1537 1441 Hathway IP Over Cable Interne
4766 1691 1296 Korea Telecom (KIX)
8151 1442 1210 UniNet S.A. de C.V.
11492 1211 1200 Cable One
8452 1193 1186 TEDATA
18566 1060 1050 Covad Communications
4755 1180 1000 TATA Communications formerly
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
41.220.16.0/20 8668 TelOne Zimbabwe P/L
41.223.112.0/22 5713 Telkom SA Ltd
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 /11:57 /12:163
/13:334 /14:588 /15:1148 /16:10423 /17:4676 /18:8037
/19:17039 /20:20250 /21:20014 /22:25589 /23:25339 /24:149117
/25:644 /26:792 /27:341 /28:117 /29:37 /30:10
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2806 4305 bellsouth.net, inc.
4766 1393 1691 Korea Telecom (KIX)
209 1350 2644 Qwest
17488 1306 1537 Hathway IP Over Cable Interne
8452 1172 1193 TEDATA
11492 1160 1211 Cable One
1785 1152 1744 PaeTec Communications, Inc.
18566 1041 1060 Covad Communications
4323 953 1827 Time Warner Telecom
2386 949 1249 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:178 12:2196 13:3 15:19 16:3
17:4 20:35 24:1100 32:51 38:549 40:97
41:1940 43:1 44:2 45:1 47:22 52:3
55:2 56:3 57:25 58:565 59:622 60:460
61:1107 62:1068 63:2023 64:3629 65:2410 66:3602
67:1490 68:706 69:2546 70:527 71:132 72:1645
73:2 74:1481 75:167 76:311 77:836 78:553
79:311 80:971 81:821 82:527 83:409 84:613
85:1020 86:393 87:634 88:358 89:1446 90:42
91:2132 92:334 93:1104 94:1191 95:1023 96:105
97:185 98:226 99:17 109:1 110:58 112:93
113:94 114:214 115:227 116:1150 117:493 118:283
119:704 120:149 121:713 122:997 123:537 124:957
125:1306 128:224 129:227 130:129 131:414 132:74
133:9 134:183 135:38 136:242 137:150 138:148
139:77 140:423 141:103 142:391 143:323 144:331
145:45 146:370 147:152 148:519 149:235 150:145
151:199 152:150 153:130 154:11 155:269 156:171
157:300 158:127 159:273 160:282 161:134 162:273
163:149 164:483 165:531 166:268 167:360 168:692
169:161 170:473 171:38 172:10 173:266 174:168
178:1 186:8 187:74 188:11 189:343 190:2746
192:5795 193:4233 194:3322 195:2682 196:1061 198:3738
199:3311 200:5504 201:1362 202:7902 203:8097 204:3796
205:2158 206:2390 207:2804 208:3902 209:3407 210:2649
211:1097 212:1521 213:1729 214:71 215:30 216:4554
217:1257 218:361 219:413 220:1210 221:452 222:289
End of report
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