[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Aug 15 04:12:39 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 15 Aug, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 293045
Prefixes after maximum aggregation: 138797
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 145789
Total ASes present in the Internet Routing Table: 31941
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 27758
Origin ASes announcing only one prefix: 13556
Transit ASes present in the Internet Routing Table: 4183
Transit-only ASes present in the Internet Routing Table: 99
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 464
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 236
Prefixes from 32-bit ASNs in the Routing Table: 87
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 305
Number of addresses announced to Internet: 2088201152
Equivalent to 124 /8s, 119 /16s and 107 /24s
Percentage of available address space announced: 56.3
Percentage of allocated address space announced: 64.5
Percentage of available address space allocated: 87.3
Percentage of address space in use by end-sites: 78.6
Total number of prefixes smaller than registry allocations: 140112
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70029
Total APNIC prefixes after maximum aggregation: 24871
APNIC Deaggregation factor: 2.82
Prefixes being announced from the APNIC address blocks: 69452
Unique aggregates announced from the APNIC address blocks: 31678
APNIC Region origin ASes present in the Internet Routing Table: 3730
APNIC Prefixes per ASN: 18.62
APNIC Region origin ASes announcing only one prefix: 1022
APNIC Region transit ASes present in the Internet Routing Table: 579
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 480080320
Equivalent to 28 /8s, 157 /16s and 113 /24s
Percentage of available APNIC address space announced: 84.2
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,
175/8, 180/8, 182/8, 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: 124187
Total ARIN prefixes after maximum aggregation: 66255
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 124834
Unique aggregates announced from the ARIN address blocks: 52347
ARIN Region origin ASes present in the Internet Routing Table: 13166
ARIN Prefixes per ASN: 9.48
ARIN Region origin ASes announcing only one prefix: 5084
ARIN Region transit ASes present in the Internet Routing Table: 1297
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1012753984
Equivalent to 60 /8s, 93 /16s and 102 /24s
Percentage of available ARIN address space announced: 88.8
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 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8,
56/8, 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, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 67351
Total RIPE prefixes after maximum aggregation: 39758
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66989
Unique aggregates announced from the RIPE address blocks: 45267
RIPE Region origin ASes present in the Internet Routing Table: 13386
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 6995
RIPE Region transit ASes present in the Internet Routing Table: 1999
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 499938496
Equivalent to 29 /8s, 204 /16s and 116 /24s
Percentage of available RIPE address space announced: 99.3
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 25/8, 51/8, 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: 24891
Total LACNIC prefixes after maximum aggregation: 6126
LACNIC Deaggregation factor: 4.06
Prefixes being announced from the LACNIC address blocks: 24847
Unique aggregates announced from the LACNIC address blocks: 13861
LACNIC Region origin ASes present in the Internet Routing Table: 1150
LACNIC Prefixes per ASN: 21.61
LACNIC Region origin ASes announcing only one prefix: 368
LACNIC Region transit ASes present in the Internet Routing Table: 193
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 73116096
Equivalent to 4 /8s, 91 /16s and 169 /24s
Percentage of available LACNIC address space announced: 72.6
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: 6184
Total AfriNIC prefixes after maximum aggregation: 1496
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6605
Unique aggregates announced from the AfriNIC address blocks: 2388
AfriNIC Region origin ASes present in the Internet Routing Table: 307
AfriNIC Prefixes per ASN: 21.51
AfriNIC Region origin ASes announcing only one prefix: 87
AfriNIC Region transit ASes present in the Internet Routing Table: 65
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 20439552
Equivalent to 1 /8s, 55 /16s and 226 /24s
Percentage of available AfriNIC address space announced: 60.9
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 1723 6980 424 Korea Telecom (KIX)
17488 1549 139 102 Hathway IP Over Cable Interne
4755 1229 292 141 TATA Communications formerly
9583 1099 87 543 Sify Limited
4134 995 18007 387 CHINANET-BACKBONE
18101 964 202 32 Reliance Infocom Ltd Internet
7545 816 198 103 TPG Internet Pty Ltd
9829 807 620 16 BSNL National Internet Backbo
23577 785 34 665 Korea Telecom (ATM-MPLS)
4808 761 1517 175 CNCGROUP IP network: China169
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 4205 3642 322 bellsouth.net, inc.
4323 1918 1048 386 Time Warner Telecom
1785 1727 714 138 PaeTec Communications, Inc.
7018 1489 5906 1049 AT&T WorldNet Services
20115 1466 1472 672 Charter Communications
6478 1363 279 256 AT&T Worldnet Services
2386 1287 673 937 AT&T Data Communications Serv
3356 1204 10979 435 Level 3 Communications, LLC
11492 1132 208 12 Cable One
22773 1086 2604 66 Cox Communications, Inc.
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
30890 483 92 196 Evolva Telecom
12479 472 578 6 Uni2 Autonomous System
3292 463 1905 397 TDC Tele Danmark
702 430 1861 346 UUNET - Commercial IP service
35805 379 40 5 United Telecom of Georgia
9198 370 138 12 Kazakhtelecom Data Network Ad
3301 348 1684 311 TeliaNet Sweden
3320 345 7067 299 Deutsche Telekom AG
3215 344 3081 109 France Telecom Transpac
8866 339 109 20 Bulgarian Telecommunication C
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 1518 2898 244 UniNet S.A. de C.V.
10620 990 220 93 TVCABLE BOGOTA
7303 624 331 95 Telecom Argentina Stet-France
28573 614 579 34 NET Servicos de Comunicao S.A
22047 541 302 14 VTR PUNTO NET S.A.
11830 487 310 65 Instituto Costarricense de El
11172 442 99 70 Servicios Alestra S.A de C.V
6471 421 96 31 ENTEL CHILE S.A.
7738 414 858 29 Telecomunicacoes da Bahia S.A
3816 398 191 78 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
8452 1027 188 7 TEDATA
24863 922 144 29 LINKdotNET AS number
20858 325 34 6 EgyNet
3741 276 856 236 The Internet Solution
2018 200 180 142 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 144 15 7 Ci Telecom Autonomous system
24835 130 46 9 RAYA Telecom - Egypt
5536 122 8 13 Internet Egypt Network
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 4205 3642 322 bellsouth.net, inc.
4323 1918 1048 386 Time Warner Telecom
1785 1727 714 138 PaeTec Communications, Inc.
4766 1723 6980 424 Korea Telecom (KIX)
17488 1549 139 102 Hathway IP Over Cable Interne
8151 1518 2898 244 UniNet S.A. de C.V.
7018 1489 5906 1049 AT&T WorldNet Services
20115 1466 1472 672 Charter Communications
6478 1363 279 256 AT&T Worldnet Services
2386 1287 673 937 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1727 1589 PaeTec Communications, Inc.
4323 1918 1532 Time Warner Telecom
17488 1549 1447 Hathway IP Over Cable Interne
4766 1723 1299 Korea Telecom (KIX)
8151 1518 1274 UniNet S.A. de C.V.
11492 1132 1120 Cable One
6478 1363 1107 AT&T Worldnet Services
4755 1229 1088 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1086 1020 Cox Communications, Inc.
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
24.225.128.0/17 36377 PATRIOT MEDIA AND COMMUNICATI
41.223.92.0/22 36936 >>UNKNOWN<<
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 /10:24 /11:59 /12:170
/13:350 /14:624 /15:1174 /16:10618 /17:4792 /18:8358
/19:17269 /20:20635 /21:20542 /22:26526 /23:26231 /24:152910
/25:921 /26:1032 /27:597 /28:160 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2728 4205 bellsouth.net, inc.
4766 1410 1723 Korea Telecom (KIX)
17488 1295 1549 Hathway IP Over Cable Interne
1785 1197 1727 PaeTec Communications, Inc.
11492 1058 1132 Cable One
18566 1043 1062 Covad Communications
4323 970 1918 Time Warner Telecom
9583 952 1099 Sify Limited
8452 948 1027 TEDATA
10620 896 990 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:213 12:2136 13:7 15:20 16:3
17:5 20:35 24:1124 32:51 34:2 38:589
40:97 41:1768 43:1 44:2 47:13 52:6
55:2 56:2 57:24 58:620 59:608 60:462
61:974 62:1105 63:2011 64:3544 65:2405 66:3413
67:1704 68:865 69:2748 70:557 71:152 72:1656
73:2 74:1683 75:178 76:338 77:843 78:566
79:375 80:936 81:853 82:589 83:451 84:638
85:1070 86:376 87:676 88:370 89:1478 90:48
91:2467 92:389 93:1100 94:1183 95:1133 96:166
97:260 98:268 99:28 110:177 111:371 112:127
113:150 114:230 115:290 116:1133 117:558 118:337
119:768 120:151 121:648 122:1243 123:751 124:1032
125:1343 128:225 129:221 130:128 131:414 132:75
133:9 134:185 135:43 136:225 137:160 138:167
139:80 140:443 141:124 142:384 143:371 144:375
145:49 146:389 147:153 148:527 149:224 150:207
151:192 152:209 153:148 154:2 155:274 156:167
157:301 158:115 159:343 160:290 161:164 162:273
163:163 164:275 165:521 166:465 167:363 168:699
169:178 170:476 171:41 172:10 173:363 174:280
178:1 180:5 186:120 187:159 188:409 189:584
190:2913 192:5781 193:4257 194:3290 195:2699 196:1105
198:3646 199:3370 200:5103 201:1316 202:7728 203:8288
204:3887 205:2164 206:2446 207:2738 208:3910 209:3421
210:2521 211:1100 212:1627 213:1619 214:92 215:29
216:4319 217:1363 218:407 219:411 220:1092 221:462
222:327
End of report
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