[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 18 18:12:53 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 19 Jun, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 322870
Prefixes after maximum aggregation: 148946
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 158175
Total ASes present in the Internet Routing Table: 34178
Prefixes per ASN: 9.45
Origin-only ASes present in the Internet Routing Table: 29680
Origin ASes announcing only one prefix: 14399
Transit ASes present in the Internet Routing Table: 4498
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: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 266
Unregistered ASNs in the Routing Table: 114
Number of 32-bit ASNs allocated by the RIRs: 631
Prefixes from 32-bit ASNs in the Routing Table: 722
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 156
Number of addresses announced to Internet: 2247247968
Equivalent to 133 /8s, 242 /16s and 72 /24s
Percentage of available address space announced: 60.6
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.3
Total number of prefixes smaller than registry allocations: 154420
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77483
Total APNIC prefixes after maximum aggregation: 26911
APNIC Deaggregation factor: 2.88
Prefixes being announced from the APNIC address blocks: 74300
Unique aggregates announced from the APNIC address blocks: 33095
APNIC Region origin ASes present in the Internet Routing Table: 4075
APNIC Prefixes per ASN: 18.23
APNIC Region origin ASes announcing only one prefix: 1119
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: 523634976
Equivalent to 31 /8s, 54 /16s and 9 /24s
Percentage of available APNIC address space announced: 78.0
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: 134278
Total ARIN prefixes after maximum aggregation: 69110
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107051
Unique aggregates announced from the ARIN address blocks: 41720
ARIN Region origin ASes present in the Internet Routing Table: 13734
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5267
ARIN Region transit ASes present in the Internet Routing Table: 1340
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 728209056
Equivalent to 43 /8s, 103 /16s and 150 /24s
Percentage of available ARIN address space announced: 62.0
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: 74245
Total RIPE prefixes after maximum aggregation: 43253
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67494
Unique aggregates announced from the RIPE address blocks: 44391
RIPE Region origin ASes present in the Internet Routing Table: 14528
RIPE Prefixes per ASN: 4.65
RIPE Region origin ASes announcing only one prefix: 7502
RIPE Region transit ASes present in the Internet Routing Table: 2164
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 432216992
Equivalent to 25 /8s, 195 /16s and 27 /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: 28758
Total LACNIC prefixes after maximum aggregation: 6858
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 27214
Unique aggregates announced from the LACNIC address blocks: 14180
LACNIC Region origin ASes present in the Internet Routing Table: 1296
LACNIC Prefixes per ASN: 21.00
LACNIC Region origin ASes announcing only one prefix: 402
LACNIC Region transit ASes present in the Internet Routing Table: 227
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 74639360
Equivalent to 4 /8s, 114 /16s and 232 /24s
Percentage of available LACNIC address space announced: 55.6
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: 7166
Total AfriNIC prefixes after maximum aggregation: 1816
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 5505
Unique aggregates announced from the AfriNIC address blocks: 1731
AfriNIC Region origin ASes present in the Internet Routing Table: 370
AfriNIC Prefixes per ASN: 14.88
AfriNIC Region origin ASes announcing only one prefix: 109
AfriNIC Region transit ASes present in the Internet Routing Table: 82
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 18911488
Equivalent to 1 /8s, 32 /16s and 145 /24s
Percentage of available AfriNIC address space announced: 56.4
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 1847 8407 482 Korea Telecom (KIX)
7545 1330 232 107 TPG Internet Pty Ltd
17488 1319 140 127 Hathway IP Over Cable Interne
4755 1310 294 154 TATA Communications formerly
17974 1011 270 50 PT TELEKOMUNIKASI INDONESIA
9583 995 73 490 Sify Limited
4134 983 21291 407 CHINANET-BACKBONE
24560 919 306 169 Bharti Airtel Ltd., Telemedia
4808 837 1572 215 CNCGROUP IP network: China169
9829 793 680 39 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 3911 3733 287 bellsouth.net, inc.
4323 3368 1114 395 Time Warner Telecom
1785 1793 698 129 PaeTec Communications, Inc.
20115 1553 1514 658 Charter Communications
7018 1513 5737 961 AT&T WorldNet Services
2386 1286 569 910 AT&T Data Communications Serv
6478 1284 260 84 AT&T Worldnet Services
3356 1181 10894 407 Level 3 Communications, LLC
22773 1166 2605 65 Cox Communications, Inc.
11492 1159 208 65 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 641 56 6 United Telecom of Georgia
3292 453 2026 393 TDC Tele Danmark
30890 444 111 206 Evolva Telecom
702 411 1869 327 UUNET - Commercial IP service
8551 400 353 46 Bezeq International
8866 400 117 18 Bulgarian Telecommunication C
3301 372 1422 327 TeliaNet Sweden
3320 370 7313 321 Deutsche Telekom AG
34984 360 89 185 BILISIM TELEKOM
9198 352 202 13 Kazakhtelecom Data Network Ad
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 1520 2965 244 UniNet S.A. de C.V.
10620 1059 237 152 TVCABLE BOGOTA
28573 945 767 92 NET Servicos de Comunicao S.A
7303 720 383 102 Telecom Argentina Stet-France
6503 666 174 210 AVANTEL, S.A.
22047 546 310 15 VTR PUNTO NET S.A.
3816 482 212 77 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 464 32 68 ANDINATEL S.A.
14117 450 31 14 Telefonica del Sur 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 1163 445 10 TEDATA
24863 720 147 39 LINKdotNET AS number
36992 640 278 186 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 188 78 10 RAYA Telecom - Egypt
29571 176 19 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 3911 3733 287 bellsouth.net, inc.
4323 3368 1114 395 Time Warner Telecom
4766 1847 8407 482 Korea Telecom (KIX)
1785 1793 698 129 PaeTec Communications, Inc.
20115 1553 1514 658 Charter Communications
8151 1520 2965 244 UniNet S.A. de C.V.
7018 1513 5737 961 AT&T WorldNet Services
7545 1330 232 107 TPG Internet Pty Ltd
17488 1319 140 127 Hathway IP Over Cable Interne
4755 1310 294 154 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 3368 2973 Time Warner Telecom
1785 1793 1664 PaeTec Communications, Inc.
4766 1847 1365 Korea Telecom (KIX)
8151 1520 1276 UniNet S.A. de C.V.
7545 1330 1223 TPG Internet Pty Ltd
6478 1284 1200 AT&T Worldnet Services
17488 1319 1192 Hathway IP Over Cable Interne
4755 1310 1156 TATA Communications formerly
8452 1163 1153 TEDATA
22773 1166 1101 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 /8:20 /9:10 /10:25 /11:68 /12:194
/13:403 /14:703 /15:1283 /16:11117 /17:5327 /18:9044
/19:18356 /20:22585 /21:22805 /22:29734 /23:29309 /24:168896
/25:950 /26:1238 /27:617 /28:118 /29:47 /30:13
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2506 3911 bellsouth.net, inc.
4323 1852 3368 Time Warner Telecom
4766 1482 1847 Korea Telecom (KIX)
1785 1256 1793 PaeTec Communications, Inc.
11492 1071 1159 Cable One
17488 1066 1319 Hathway IP Over Cable Interne
8452 1051 1163 TEDATA
18566 1040 1059 Covad Communications
10620 975 1059 TVCABLE BOGOTA
7018 914 1513 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 4:13 8:285 12:2003 13:7 14:1
15:23 16:3 17:8 20:21 24:1429 27:114
31:1 32:49 33:12 38:681 40:98 41:2437
44:3 47:18 52:9 55:9 56:2 57:25
58:747 59:502 60:458 61:1072 62:1070 63:1971
64:3651 65:2356 66:4259 67:1824 68:1114 69:2883
70:704 71:237 72:1836 73:2 74:2102 75:250
76:308 77:928 78:631 79:417 80:995 81:795
82:487 83:431 84:698 85:1047 86:461 87:692
88:341 89:1578 90:93 91:2818 92:472 93:1064
94:1414 95:612 96:284 97:323 98:580 99:28
108:32 109:528 110:345 111:518 112:265 113:302
114:421 115:548 116:1053 117:639 118:477 119:935
120:147 121:738 122:1449 123:927 124:1114 125:1308
128:226 129:214 130:195 131:553 132:244 133:17
134:196 135:45 136:235 137:162 138:264 139:104
140:510 141:137 142:348 143:392 144:476 145:50
146:442 147:168 148:662 149:300 150:152 151:166
152:295 153:168 154:2 155:328 156:156 157:325
158:107 159:375 160:316 161:181 162:255 163:171
164:408 165:342 166:465 167:404 168:786 169:164
170:703 171:57 172:2 173:840 174:613 175:93
176:1 178:187 180:487 182:119 183:225 184:62
186:469 187:356 188:1081 189:780 190:3777 192:5749
193:4700 194:3357 195:2774 196:1167 198:3586 199:3456
200:5356 201:1546 202:7976 203:8287 204:4076 205:2328
206:2520 207:3070 208:3873 209:3422 210:2505 211:1262
212:1748 213:1682 214:661 215:69 216:4667 217:1432
218:494 219:378 220:1138 221:413 222:311 223:1
End of report
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