[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Oct 31 05:26:00 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 31 Oct, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 301627
Prefixes after maximum aggregation: 141194
Deaggregation factor: 2.14
Unique aggregates announced to Internet: 149168
Total ASes present in the Internet Routing Table: 32545
Prefixes per ASN: 9.27
Origin-only ASes present in the Internet Routing Table: 28267
Origin ASes announcing only one prefix: 13775
Transit ASes present in the Internet Routing Table: 4278
Transit-only ASes present in the Internet Routing Table: 104
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 615
Unregistered ASNs in the Routing Table: 126
Number of 32-bit ASNs allocated by the RIRs: 308
Prefixes from 32-bit ASNs in the Routing Table: 249
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 188
Number of addresses announced to Internet: 2123904864
Equivalent to 126 /8s, 152 /16s and 55 /24s
Percentage of available address space announced: 57.3
Percentage of allocated address space announced: 64.9
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.5
Total number of prefixes smaller than registry allocations: 145034
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 72646
Total APNIC prefixes after maximum aggregation: 25150
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 69165
Unique aggregates announced from the APNIC address blocks: 30414
APNIC Region origin ASes present in the Internet Routing Table: 3836
APNIC Prefixes per ASN: 18.03
APNIC Region origin ASes announcing only one prefix: 1038
APNIC Region transit ASes present in the Internet Routing Table: 595
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 467982112
Equivalent to 27 /8s, 228 /16s and 215 /24s
Percentage of available APNIC address space announced: 79.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 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: 127251
Total ARIN prefixes after maximum aggregation: 67119
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101807
Unique aggregates announced from the ARIN address blocks: 38735
ARIN Region origin ASes present in the Internet Routing Table: 13307
ARIN Prefixes per ASN: 7.65
ARIN Region origin ASes announcing only one prefix: 5143
ARIN Region transit ASes present in the Internet Routing Table: 1315
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 709214976
Equivalent to 42 /8s, 69 /16s and 195 /24s
Percentage of available ARIN address space announced: 62.2
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, 393216-394239
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: 69252
Total RIPE prefixes after maximum aggregation: 40685
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 62623
Unique aggregates announced from the RIPE address blocks: 41975
RIPE Region origin ASes present in the Internet Routing Table: 13681
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 7116
RIPE Region transit ASes present in the Internet Routing Table: 2053
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 402977216
Equivalent to 24 /8s, 4 /16s and 241 /24s
Percentage of available RIPE address space announced: 75.1
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 46/8, 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: 25963
Total LACNIC prefixes after maximum aggregation: 6374
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24280
Unique aggregates announced from the LACNIC address blocks: 13431
LACNIC Region origin ASes present in the Internet Routing Table: 1201
LACNIC Prefixes per ASN: 20.22
LACNIC Region origin ASes announcing only one prefix: 382
LACNIC Region transit ASes present in the Internet Routing Table: 199
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 30
Number of LACNIC addresses announced to Internet: 68065280
Equivalent to 4 /8s, 14 /16s and 152 /24s
Percentage of available LACNIC address space announced: 67.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 6039
Total AfriNIC prefixes after maximum aggregation: 1579
AfriNIC Deaggregation factor: 3.82
Prefixes being announced from the AfriNIC address blocks: 4404
Unique aggregates announced from the AfriNIC address blocks: 1607
AfriNIC Region origin ASes present in the Internet Routing Table: 329
AfriNIC Prefixes per ASN: 13.39
AfriNIC Region origin ASes announcing only one prefix: 96
AfriNIC Region transit ASes present in the Internet Routing Table: 67
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12883712
Equivalent to 0 /8s, 196 /16s and 151 /24s
Percentage of available AfriNIC address space announced: 38.4
AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 1765 6991 454 Korea Telecom (KIX)
17488 1473 139 140 Hathway IP Over Cable Interne
4755 1270 293 147 TATA Communications formerly
9583 1107 98 469 Sify Limited
4134 1006 19185 393 CHINANET-BACKBONE
18101 974 204 32 Reliance Infocom Ltd Internet
7545 905 199 101 TPG Internet Pty Ltd
9829 849 661 20 BSNL National Internet Backbo
17974 814 252 104 PT TELEKOMUNIKASI INDONESIA
24560 792 291 168 Bharti Airtel Ltd., Telemedia
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 4166 3883 313 bellsouth.net, inc.
4323 3723 1036 396 Time Warner Telecom
1785 1778 715 140 PaeTec Communications, Inc.
7018 1571 5843 1047 AT&T WorldNet Services
20115 1487 1481 670 Charter Communications
6478 1316 270 438 AT&T Worldnet Services
2386 1302 637 942 AT&T Data Communications Serv
3356 1221 10964 437 Level 3 Communications, LLC
11492 1137 206 13 Cable One
22773 1106 2600 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 516 95 210 Evolva Telecom
3292 448 1908 393 TDC Tele Danmark
702 414 1822 333 UUNET - Commercial IP service
9198 387 138 12 Kazakhtelecom Data Network Ad
35805 372 40 5 United Telecom of Georgia
8866 362 110 23 Bulgarian Telecommunication C
3320 354 7068 302 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 348 1412 305 TeliaNet Sweden
9121 317 1698 26 TTnet Autonomous System
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 1490 2899 236 UniNet S.A. de C.V.
10620 1024 228 102 TVCABLE BOGOTA
28573 790 661 89 NET Servicos de Comunicao S.A
7303 660 349 97 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
14117 438 29 11 Telefonica del Sur S.A.
7738 429 858 29 Telecomunicacoes da Bahia S.A
6471 422 96 31 ENTEL CHILE 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
8452 989 188 7 TEDATA
24863 938 98 72 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 194 188 117 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 145 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet
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 4166 3883 313 bellsouth.net, inc.
4323 3723 1036 396 Time Warner Telecom
1785 1778 715 140 PaeTec Communications, Inc.
4766 1765 6991 454 Korea Telecom (KIX)
7018 1571 5843 1047 AT&T WorldNet Services
8151 1490 2899 236 UniNet S.A. de C.V.
20115 1487 1481 670 Charter Communications
17488 1473 139 140 Hathway IP Over Cable Interne
6478 1316 270 438 AT&T Worldnet Services
2386 1302 637 942 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
4323 3723 3327 Time Warner Telecom
1785 1778 1638 PaeTec Communications, Inc.
17488 1473 1333 Hathway IP Over Cable Interne
4766 1765 1311 Korea Telecom (KIX)
8151 1490 1254 UniNet S.A. de C.V.
11492 1137 1124 Cable One
4755 1270 1123 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1106 1040 Cox Communications, Inc.
8452 989 982 TEDATA
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
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /8:20 /9:10 /10:25 /11:63 /12:176
/13:356 /14:636 /15:1211 /16:10718 /17:4910 /18:8486
/19:17531 /20:21126 /21:21141 /22:27474 /23:27088 /24:157858
/25:937 /26:1109 /27:562 /28:164 /29:10 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2692 4166 bellsouth.net, inc.
4323 2353 3723 Time Warner Telecom
4766 1436 1765 Korea Telecom (KIX)
17488 1250 1473 Hathway IP Over Cable Interne
1785 1242 1778 PaeTec Communications, Inc.
11492 1061 1137 Cable One
18566 1043 1062 Covad Communications
9583 958 1107 Sify Limited
7018 938 1571 AT&T WorldNet Services
10620 929 1024 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:14 8:228 12:2139 13:7 15:22
16:3 17:5 20:36 24:1227 32:52 34:2
38:605 40:99 41:1802 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:613
59:640 60:441 61:1090 62:960 63:2001 64:3665
65:2367 66:4087 67:1764 68:989 69:2785 70:589
71:153 72:1728 73:2 74:1995 75:183 76:359
77:866 78:559 79:374 80:924 81:818 82:477
83:443 84:538 85:1003 86:374 87:692 88:423
89:1489 90:54 91:2628 92:416 93:1221 94:1233
95:934 96:182 97:270 98:380 99:30 109:82
110:260 111:465 112:144 113:161 114:278 115:434
116:1118 117:590 118:359 119:792 120:128 121:797
122:1297 123:780 124:1053 125:1372 128:222 129:216
130:138 131:424 132:76 133:16 134:186 135:42
136:232 137:167 138:180 139:82 140:443 141:123
142:387 143:352 144:362 145:49 146:395 147:170
148:552 149:201 150:149 151:173 152:212 153:159
154:2 155:272 156:167 157:310 158:92 159:359
160:292 161:171 162:279 163:172 164:276 165:468
166:483 167:390 168:750 169:162 170:465 171:42
172:2 173:385 174:384 175:1 178:1 180:150
182:1 184:1 186:155 187:183 188:1206 189:621
190:3183 192:5736 193:4273 194:3320 195:2750 196:1168
198:3552 199:3354 200:5208 201:1352 202:7908 203:8223
204:3930 205:2168 206:2406 207:3010 208:3985 209:3428
210:2548 211:1147 212:1645 213:1627 214:177 215:40
216:4447 217:1343 218:474 219:459 220:1138 221:457
222:303
End of report
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