[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 25 18:12:56 UTC 2010
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 26 Jun, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 323205
Prefixes after maximum aggregation: 149101
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 158363
Total ASes present in the Internet Routing Table: 34231
Prefixes per ASN: 9.44
Origin-only ASes present in the Internet Routing Table: 29720
Origin ASes announcing only one prefix: 14411
Transit ASes present in the Internet Routing Table: 4511
Transit-only ASes present in the Internet Routing Table: 108
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 295
Unregistered ASNs in the Routing Table: 112
Number of 32-bit ASNs allocated by the RIRs: 642
Prefixes from 32-bit ASNs in the Routing Table: 757
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2251743840
Equivalent to 134 /8s, 54 /16s and 226 /24s
Percentage of available address space announced: 60.8
Percentage of allocated address space announced: 65.5
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.4
Total number of prefixes smaller than registry allocations: 154204
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78033
Total APNIC prefixes after maximum aggregation: 26885
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 74858
Unique aggregates announced from the APNIC address blocks: 33140
APNIC Region origin ASes present in the Internet Routing Table: 4081
APNIC Prefixes per ASN: 18.34
APNIC Region origin ASes announcing only one prefix: 1117
APNIC Region transit ASes present in the Internet Routing Table: 639
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 525628704
Equivalent to 31 /8s, 84 /16s and 117 /24s
Percentage of available APNIC address space announced: 78.3
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: 133710
Total ARIN prefixes after maximum aggregation: 69226
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 106681
Unique aggregates announced from the ARIN address blocks: 41819
ARIN Region origin ASes present in the Internet Routing Table: 13744
ARIN Prefixes per ASN: 7.76
ARIN Region origin ASes announcing only one prefix: 5271
ARIN Region transit ASes present in the Internet Routing Table: 1349
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729671968
Equivalent to 43 /8s, 125 /16s and 233 /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: 74437
Total RIPE prefixes after maximum aggregation: 43213
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67581
Unique aggregates announced from the RIPE address blocks: 44362
RIPE Region origin ASes present in the Internet Routing Table: 14549
RIPE Prefixes per ASN: 4.65
RIPE Region origin ASes announcing only one prefix: 7512
RIPE Region transit ASes present in the Internet Routing Table: 2159
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 432412960
Equivalent to 25 /8s, 198 /16s and 25 /24s
Percentage of available RIPE address space announced: 75.8
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: 28719
Total LACNIC prefixes after maximum aggregation: 6891
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 27171
Unique aggregates announced from the LACNIC address blocks: 14182
LACNIC Region origin ASes present in the Internet Routing Table: 1304
LACNIC Prefixes per ASN: 20.84
LACNIC Region origin ASes announcing only one prefix: 400
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: 24
Number of LACNIC addresses announced to Internet: 75105792
Equivalent to 4 /8s, 122 /16s and 6 /24s
Percentage of available LACNIC address space announced: 56.0
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: 7302
Total AfriNIC prefixes after maximum aggregation: 1850
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 5623
Unique aggregates announced from the AfriNIC address blocks: 1730
AfriNIC Region origin ASes present in the Internet Routing Table: 374
AfriNIC Prefixes per ASN: 15.03
AfriNIC Region origin ASes announcing only one prefix: 111
AfriNIC Region transit ASes present in the Internet Routing Table: 84
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19523328
Equivalent to 1 /8s, 41 /16s and 231 /24s
Percentage of available AfriNIC address space announced: 58.2
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 1847 8407 482 Korea Telecom (KIX)
7545 1335 232 107 TPG Internet Pty Ltd
17488 1319 140 127 Hathway IP Over Cable Interne
4755 1314 295 154 TATA Communications formerly
17974 1141 283 23 PT TELEKOMUNIKASI INDONESIA
9583 997 74 491 Sify Limited
24560 923 306 170 Bharti Airtel Ltd., Telemedia
4134 876 21292 408 CHINANET-BACKBONE
4808 829 1572 215 CNCGROUP IP network: China169
9829 794 681 34 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 3910 3733 288 bellsouth.net, inc.
4323 2711 1114 395 Time Warner Telecom
1785 1795 698 129 PaeTec Communications, Inc.
20115 1559 1520 653 Charter Communications
7018 1506 5736 957 AT&T WorldNet Services
2386 1285 568 908 AT&T Data Communications Serv
6478 1283 260 110 AT&T Worldnet Services
3356 1180 10889 405 Level 3 Communications, LLC
22773 1166 2861 66 Cox Communications, Inc.
11492 1154 207 71 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
35805 644 56 6 United Telecom of Georgia
3292 453 2027 393 TDC Tele Danmark
30890 444 111 206 Evolva Telecom
9198 411 202 13 Kazakhtelecom Data Network Ad
702 410 1869 326 UUNET - Commercial IP service
8551 400 353 46 Bezeq International
8866 400 117 18 Bulgarian Telecommunication C
3320 372 7329 323 Deutsche Telekom AG
3301 371 1414 326 TeliaNet Sweden
34984 360 89 185 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 1462 3017 250 UniNet S.A. de C.V.
10620 1057 237 152 TVCABLE BOGOTA
28573 1003 784 97 NET Servicos de Comunicao S.A
7303 745 385 114 Telecom Argentina Stet-France
6503 677 175 216 AVANTEL, S.A.
22047 547 310 15 VTR PUNTO NET S.A.
3816 492 214 78 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 468 32 69 ANDINATEL S.A.
11172 450 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 1162 445 10 TEDATA
24863 726 147 39 LINKdotNET AS number
36992 641 279 187 Etisalat MISR
3741 269 852 230 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
2018 211 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 10 RAYA Telecom - Egypt
29571 175 17 10 Ci Telecom Autonomous system
29975 133 506 14 Vodacom
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 3910 3733 288 bellsouth.net, inc.
4323 2711 1114 395 Time Warner Telecom
4766 1847 8407 482 Korea Telecom (KIX)
1785 1795 698 129 PaeTec Communications, Inc.
20115 1559 1520 653 Charter Communications
7018 1506 5736 957 AT&T WorldNet Services
8151 1462 3017 250 UniNet S.A. de C.V.
7545 1335 232 107 TPG Internet Pty Ltd
17488 1319 140 127 Hathway IP Over Cable Interne
4755 1314 295 154 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 2711 2316 Time Warner Telecom
1785 1795 1666 PaeTec Communications, Inc.
4766 1847 1365 Korea Telecom (KIX)
7545 1335 1228 TPG Internet Pty Ltd
8151 1462 1212 UniNet S.A. de C.V.
17488 1319 1192 Hathway IP Over Cable Interne
6478 1283 1173 AT&T Worldnet Services
4755 1314 1160 TATA Communications formerly
8452 1162 1152 TEDATA
17974 1141 1118 PT TELEKOMUNIKASI INDONESIA
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 /8:20 /9:10 /10:25 /11:68 /12:196
/13:406 /14:707 /15:1283 /16:11140 /17:5339 /18:9140
/19:18372 /20:22877 /21:22846 /22:29912 /23:29457 /24:168471
/25:971 /26:1252 /27:619 /28:31 /29:47 /30:9
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2505 3910 bellsouth.net, inc.
4766 1482 1847 Korea Telecom (KIX)
4323 1396 2711 Time Warner Telecom
1785 1258 1795 PaeTec Communications, Inc.
11492 1066 1154 Cable One
17488 1066 1319 Hathway IP Over Cable Interne
8452 1050 1162 TEDATA
18566 1040 1059 Covad Communications
10620 973 1057 TVCABLE BOGOTA
7018 911 1506 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 2:2 4:13 8:288 12:2003 13:7
14:1 15:23 16:3 17:8 20:21 24:1434
27:121 31:1 32:49 33:12 38:679 40:98
41:2448 44:3 47:18 52:9 55:7 56:2
57:25 58:751 59:502 60:458 61:1074 62:1058
63:1976 64:3653 65:2356 66:4066 67:1822 68:1110
69:2878 70:694 71:237 72:1843 73:2 74:2105
75:250 76:308 77:930 78:615 79:421 80:972
81:793 82:490 83:436 84:703 85:1051 86:458
87:674 88:342 89:1566 90:93 91:2836 92:486
93:1067 94:1416 95:624 96:287 97:205 98:579
99:28 108:32 109:548 110:352 111:523 112:270
113:310 114:423 115:547 116:1069 117:660 118:482
119:938 120:143 121:739 122:1449 123:933 124:1116
125:1317 128:226 129:212 130:195 131:555 132:250
133:17 134:194 135:45 136:243 137:160 138:264
139:104 140:509 141:138 142:348 143:392 144:473
145:47 146:443 147:166 148:662 149:300 150:150
151:166 152:296 153:168 154:2 155:328 156:157
157:320 158:109 159:377 160:317 161:181 162:254
163:176 164:408 165:359 166:461 167:404 168:651
169:160 170:712 171:58 172:2 173:853 174:436
175:98 176:1 178:224 180:501 182:135 183:220
184:69 186:476 187:350 188:1087 189:782 190:3751
192:5746 193:4702 194:3364 195:2781 196:1169 198:3568
199:3449 200:5319 201:1556 202:7982 203:8250 204:4077
205:2319 206:2517 207:3103 208:3861 209:3449 210:2512
211:1261 212:1703 213:1680 214:657 215:69 216:4658
217:1516 218:491 219:378 220:1136 221:398 222:314
223:1
End of report
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