[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jul 17 04:11:46 EST 2010
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG and
the RIPE Routing Working Group.
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 17 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 325312
Prefixes after maximum aggregation: 149926
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 159012
Total ASes present in the Internet Routing Table: 34366
Prefixes per ASN: 9.47
Origin-only ASes present in the Internet Routing Table: 29833
Origin ASes announcing only one prefix: 14455
Transit ASes present in the Internet Routing Table: 4533
Transit-only ASes present in the Internet Routing Table: 100
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 308
Unregistered ASNs in the Routing Table: 118
Number of 32-bit ASNs allocated by the RIRs: 686
Prefixes from 32-bit ASNs in the Routing Table: 825
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2276042112
Equivalent to 135 /8s, 169 /16s and 165 /24s
Percentage of available address space announced: 61.4
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.8
Total number of prefixes smaller than registry allocations: 154768
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78953
Total APNIC prefixes after maximum aggregation: 27110
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 75847
Unique aggregates announced from the APNIC address blocks: 33498
APNIC Region origin ASes present in the Internet Routing Table: 4111
APNIC Prefixes per ASN: 18.45
APNIC Region origin ASes announcing only one prefix: 1138
APNIC Region transit ASes present in the Internet Routing Table: 633
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 531282208
Equivalent to 31 /8s, 170 /16s and 185 /24s
Percentage of available APNIC address space announced: 79.2
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 1/8, 14/8, 27/8, 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, 133/8, 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, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 134218
Total ARIN prefixes after maximum aggregation: 69466
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 107063
Unique aggregates announced from the ARIN address blocks: 41911
ARIN Region origin ASes present in the Internet Routing Table: 13792
ARIN Prefixes per ASN: 7.76
ARIN Region origin ASes announcing only one prefix: 5279
ARIN Region transit ASes present in the Internet Routing Table: 1357
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729625120
Equivalent to 43 /8s, 125 /16s and 50 /24s
Percentage of available ARIN address space announced: 62.1
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, 50/8, 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, 107/8,
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: 74811
Total RIPE prefixes after maximum aggregation: 43408
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67993
Unique aggregates announced from the RIPE address blocks: 44455
RIPE Region origin ASes present in the Internet Routing Table: 14604
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 7511
RIPE Region transit ASes present in the Internet Routing Table: 2179
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 434075776
Equivalent to 25 /8s, 223 /16s and 120 /24s
Percentage of available RIPE address space announced: 76.1
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, 31/8, 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, 176/8, 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: 28966
Total LACNIC prefixes after maximum aggregation: 6957
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 27578
Unique aggregates announced from the LACNIC address blocks: 14516
LACNIC Region origin ASes present in the Internet Routing Table: 1307
LACNIC Prefixes per ASN: 21.10
LACNIC Region origin ASes announcing only one prefix: 410
LACNIC Region transit ASes present in the Internet Routing Table: 232
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75606464
Equivalent to 4 /8s, 129 /16s and 169 /24s
Percentage of available LACNIC address space announced: 56.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7287
Total AfriNIC prefixes after maximum aggregation: 1866
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 5592
Unique aggregates announced from the AfriNIC address blocks: 1599
AfriNIC Region origin ASes present in the Internet Routing Table: 380
AfriNIC Prefixes per ASN: 14.72
AfriNIC Region origin ASes announcing only one prefix: 117
AfriNIC Region transit ASes present in the Internet Routing Table: 85
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19625216
Equivalent to 1 /8s, 43 /16s and 117 /24s
Percentage of available AfriNIC address space announced: 58.5
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 1859 8425 493 Korea Telecom (KIX)
7545 1379 232 105 TPG Internet Pty Ltd
4755 1375 297 162 TATA Communications formerly
17488 1333 145 127 Hathway IP Over Cable Interne
17974 1166 285 51 PT TELEKOMUNIKASI INDONESIA
9583 1001 74 485 Sify Limited
24560 957 305 178 Bharti Airtel Ltd., Telemedia
4134 879 21740 411 CHINANET-BACKBONE
4808 824 1572 215 CNCGROUP IP network: China169
9829 813 685 32 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 3891 3718 287 bellsouth.net, inc.
4323 2717 1112 393 Time Warner Telecom
19262 1827 4562 274 Verizon Global Networks
1785 1780 698 129 PaeTec Communications, Inc.
20115 1548 1524 653 Charter Communications
7018 1484 5736 963 AT&T WorldNet Services
2386 1284 568 905 AT&T Data Communications Serv
6478 1257 253 197 AT&T Worldnet Services
22773 1173 2859 65 Cox Communications, Inc.
3356 1162 10879 405 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
35805 652 56 6 United Telecom of Georgia
9198 497 202 13 Kazakhtelecom Data Network Ad
3292 452 2027 393 TDC Tele Danmark
30890 440 111 206 Evolva Telecom
702 413 1869 325 UUNET - Commercial IP service
8866 402 117 18 Bulgarian Telecommunication C
8551 400 353 46 Bezeq International
3320 373 7329 324 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
34984 362 89 183 BILISIM TELEKOM
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 1529 3033 248 UniNet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1042 812 99 NET Servicos de Comunicao S.A
7303 736 390 93 Telecom Argentina Stet-France
6503 700 177 219 AVANTEL, S.A.
22047 551 310 15 VTR PUNTO NET S.A.
3816 503 218 88 Empresa Nacional de Telecomun
14420 498 32 72 CORPORACION NACIONAL DE TELEC
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 449 99 76 Servicios Alestra S.A de C.V
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 1101 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 650 279 185 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 209 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 9 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 166 440 95 MTN Network Solutions
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 3891 3718 287 bellsouth.net, inc.
4323 2717 1112 393 Time Warner Telecom
4766 1859 8425 493 Korea Telecom (KIX)
19262 1827 4562 274 Verizon Global Networks
1785 1780 698 129 PaeTec Communications, Inc.
20115 1548 1524 653 Charter Communications
8151 1529 3033 248 UniNet S.A. de C.V.
7018 1484 5736 963 AT&T WorldNet Services
7545 1379 232 105 TPG Internet Pty Ltd
4755 1375 297 162 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2717 2324 Time Warner Telecom
1785 1780 1651 PaeTec Communications, Inc.
19262 1827 1553 Verizon Global Networks
4766 1859 1366 Korea Telecom (KIX)
8151 1529 1281 UniNet S.A. de C.V.
7545 1379 1274 TPG Internet Pty Ltd
4755 1375 1213 TATA Communications formerly
17488 1333 1206 Hathway IP Over Cable Interne
17974 1166 1115 PT TELEKOMUNIKASI INDONESIA
22773 1173 1108 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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 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
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 6453 Teleglobe Inc.
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
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 /8:21 /9:10 /10:25 /11:68 /12:197
/13:408 /14:713 /15:1289 /16:11185 /17:5357 /18:9179
/19:18475 /20:23046 /21:23004 /22:29925 /23:29564 /24:169691
/25:1006 /26:1277 /27:702 /28:110 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2491 3891 bellsouth.net, inc.
4766 1487 1859 Korea Telecom (KIX)
4323 1392 2717 Time Warner Telecom
1785 1241 1780 PaeTec Communications, Inc.
17488 1078 1333 Hathway IP Over Cable Interne
11492 1068 1160 Cable One
18566 1068 1087 Covad Communications
8452 993 1101 TEDATA
10620 988 1072 TVCABLE BOGOTA
7018 885 1484 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:10 2:2 4:13 8:287 12:2018 13:7
14:1 15:22 16:3 17:8 20:6 24:1464
27:251 31:1 32:49 33:12 38:688 40:98
41:2399 44:3 46:2 47:17 52:9 55:5
56:2 57:28 58:755 59:503 60:461 61:1088
62:1042 63:1970 64:3678 65:2347 66:4045 67:1828
68:1109 69:2690 70:723 71:385 72:1947 73:2
74:2262 75:248 76:316 77:897 78:619 79:430
80:974 81:765 82:492 83:444 84:680 85:1050
86:458 87:682 88:340 89:1563 90:94 91:2875
92:503 93:987 94:1401 95:645 96:356 97:212
98:610 99:31 108:100 109:567 110:384 111:547
112:286 113:319 114:431 115:568 116:1088 117:654
118:483 119:880 120:131 121:728 122:1483 123:944
124:1116 125:1322 128:226 129:199 130:196 131:553
132:247 133:17 134:195 135:45 136:241 137:145
138:265 139:104 140:483 141:197 142:337 143:370
144:470 145:50 146:449 147:167 148:663 149:301
150:153 151:229 152:298 153:169 154:2 155:359
156:160 157:296 158:109 159:356 160:316 161:183
162:249 163:177 164:405 165:365 166:458 167:414
168:649 169:157 170:708 171:59 172:2 173:942
174:480 175:146 176:1 178:301 180:522 182:149
183:235 184:111 186:499 187:391 188:1008 189:768
190:3813 192:5737 193:4719 194:3396 195:2800 196:1192
198:3577 199:3456 200:5336 201:1565 202:7972 203:8285
204:4074 205:2319 206:2486 207:3104 208:3864 209:3453
210:2532 211:1272 212:1711 213:1663 214:639 215:69
216:4699 217:1525 218:498 219:378 220:1149 221:402
222:316 223:1
End of report
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