[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 11 18:11:02 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 12 Jun, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 322325
Prefixes after maximum aggregation: 148837
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 158178
Total ASes present in the Internet Routing Table: 34173
Prefixes per ASN: 9.43
Origin-only ASes present in the Internet Routing Table: 29656
Origin ASes announcing only one prefix: 14403
Transit ASes present in the Internet Routing Table: 4517
Transit-only ASes present in the Internet Routing Table: 102
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: 114
Number of 32-bit ASNs allocated by the RIRs: 618
Prefixes from 32-bit ASNs in the Routing Table: 704
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 153
Number of addresses announced to Internet: 2226107872
Equivalent to 132 /8s, 175 /16s and 181 /24s
Percentage of available address space announced: 60.1
Percentage of allocated address space announced: 64.7
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.2
Total number of prefixes smaller than registry allocations: 154163
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77175
Total APNIC prefixes after maximum aggregation: 26893
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 74194
Unique aggregates announced from the APNIC address blocks: 33008
APNIC Region origin ASes present in the Internet Routing Table: 4076
APNIC Prefixes per ASN: 18.20
APNIC Region origin ASes announcing only one prefix: 1121
APNIC Region transit ASes present in the Internet Routing Table: 632
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 521993248
Equivalent to 31 /8s, 28 /16s and 252 /24s
Percentage of available APNIC address space announced: 77.8
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: 134088
Total ARIN prefixes after maximum aggregation: 69138
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106811
Unique aggregates announced from the ARIN address blocks: 41644
ARIN Region origin ASes present in the Internet Routing Table: 13733
ARIN Prefixes per ASN: 7.78
ARIN Region origin ASes announcing only one prefix: 5271
ARIN Region transit ASes present in the Internet Routing Table: 1344
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 727992352
Equivalent to 43 /8s, 100 /16s and 72 /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: 74215
Total RIPE prefixes after maximum aggregation: 43198
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67232
Unique aggregates announced from the RIPE address blocks: 44421
RIPE Region origin ASes present in the Internet Routing Table: 14524
RIPE Prefixes per ASN: 4.63
RIPE Region origin ASes announcing only one prefix: 7499
RIPE Region transit ASes present in the Internet Routing Table: 2182
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 430186912
Equivalent to 25 /8s, 164 /16s and 33 /24s
Percentage of available RIPE address space announced: 75.4
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: 28644
Total LACNIC prefixes after maximum aggregation: 6829
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 27053
Unique aggregates announced from the LACNIC address blocks: 14082
LACNIC Region origin ASes present in the Internet Routing Table: 1299
LACNIC Prefixes per ASN: 20.83
LACNIC Region origin ASes announcing only one prefix: 404
LACNIC Region transit ASes present in the Internet Routing Table: 228
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 73906944
Equivalent to 4 /8s, 103 /16s and 187 /24s
Percentage of available LACNIC address space announced: 55.1
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: 7281
Total AfriNIC prefixes after maximum aggregation: 1809
AfriNIC Deaggregation factor: 4.02
Prefixes being announced from the AfriNIC address blocks: 5613
Unique aggregates announced from the AfriNIC address blocks: 1718
AfriNIC Region origin ASes present in the Internet Routing Table: 368
AfriNIC Prefixes per ASN: 15.25
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 86
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 18883072
Equivalent to 1 /8s, 32 /16s and 34 /24s
Percentage of available AfriNIC address space announced: 56.3
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 1849 8422 484 Korea Telecom (KIX)
17488 1316 140 125 Hathway IP Over Cable Interne
4755 1309 293 153 TATA Communications formerly
7545 1307 232 105 TPG Internet Pty Ltd
17974 1097 282 21 PT TELEKOMUNIKASI INDONESIA
9583 994 73 490 Sify Limited
24560 916 306 169 Bharti Airtel Ltd., Telemedia
4134 877 21295 409 CHINANET-BACKBONE
4808 842 1573 217 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 3913 3733 287 bellsouth.net, inc.
4323 3362 1113 394 Time Warner Telecom
1785 1782 699 131 PaeTec Communications, Inc.
20115 1552 1512 659 Charter Communications
7018 1512 5735 962 AT&T WorldNet Services
2386 1287 569 909 AT&T Data Communications Serv
6478 1269 259 92 AT&T Worldnet Services
3356 1182 10890 406 Level 3 Communications, LLC
22773 1162 2605 65 Cox Communications, Inc.
11492 1151 207 68 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 634 56 6 United Telecom of Georgia
3292 453 2026 394 TDC Tele Danmark
30890 442 111 205 Evolva Telecom
702 412 1869 328 UUNET - Commercial IP service
8551 402 355 38 Bezeq International
8866 400 117 18 Bulgarian Telecommunication C
3301 370 1414 325 TeliaNet Sweden
3320 370 7073 321 Deutsche Telekom AG
34984 358 88 184 BILISIM TELEKOM
12479 335 576 5 Uni2 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 1521 2965 244 UniNet S.A. de C.V.
10620 1059 237 152 TVCABLE BOGOTA
28573 901 745 81 NET Servicos de Comunicao S.A
7303 724 374 132 Telecom Argentina Stet-France
6503 642 173 209 AVANTEL, S.A.
22047 545 310 15 VTR PUNTO NET S.A.
3816 480 208 76 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 463 32 67 ANDINATEL S.A.
14117 456 30 13 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 1151 445 10 TEDATA
24863 716 147 39 LINKdotNET AS number
36992 642 278 186 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 183 78 10 RAYA Telecom - Egypt
29571 175 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 3913 3733 287 bellsouth.net, inc.
4323 3362 1113 394 Time Warner Telecom
4766 1849 8422 484 Korea Telecom (KIX)
1785 1782 699 131 PaeTec Communications, Inc.
20115 1552 1512 659 Charter Communications
8151 1521 2965 244 UniNet S.A. de C.V.
7018 1512 5735 962 AT&T WorldNet Services
17488 1316 140 125 Hathway IP Over Cable Interne
4755 1309 293 153 TATA Communications formerly
7545 1307 232 105 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3362 2968 Time Warner Telecom
1785 1782 1651 PaeTec Communications, Inc.
4766 1849 1365 Korea Telecom (KIX)
8151 1521 1277 UniNet S.A. de C.V.
7545 1307 1202 TPG Internet Pty Ltd
17488 1316 1191 Hathway IP Over Cable Interne
6478 1269 1177 AT&T Worldnet Services
4755 1309 1156 TATA Communications formerly
8452 1151 1141 TEDATA
22773 1162 1097 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
41.76.160.0/21 37063 Roke Investments Internationa
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
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 /10:25 /11:67 /12:193
/13:403 /14:699 /15:1279 /16:11105 /17:5301 /18:9023
/19:18326 /20:22576 /21:22617 /22:29601 /23:29231 /24:168924
/25:954 /26:1226 /27:617 /28:104 /29:10 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2508 3913 bellsouth.net, inc.
4323 1852 3362 Time Warner Telecom
4766 1480 1849 Korea Telecom (KIX)
1785 1246 1782 PaeTec Communications, Inc.
11492 1065 1151 Cable One
17488 1063 1316 Hathway IP Over Cable Interne
8452 1045 1151 TEDATA
18566 1040 1059 Covad Communications
10620 975 1059 TVCABLE BOGOTA
7018 910 1512 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 8:284 12:2007 13:11 14:1
15:23 16:3 17:8 20:21 24:1422 27:113
31:1 32:49 33:12 38:680 40:98 41:2432
44:3 47:26 52:8 55:9 56:2 57:25
58:739 59:504 60:458 61:1074 62:1070 63:1974
64:3617 65:2339 66:4249 67:1818 68:1107 69:2873
70:718 71:236 72:1832 73:2 74:2109 75:252
76:312 77:898 78:629 79:426 80:982 81:797
82:487 83:431 84:702 85:1040 86:459 87:694
88:334 89:1546 90:92 91:2800 92:508 93:1107
94:1416 95:610 96:281 97:323 98:562 99:28
108:32 109:526 110:427 111:517 112:261 113:296
114:418 115:549 116:1048 117:650 118:470 119:934
120:147 121:737 122:1450 123:926 124:1108 125:1313
128:210 129:217 130:193 131:555 132:250 133:17
134:195 135:45 136:229 137:168 138:257 139:104
140:510 141:137 142:348 143:388 144:468 145:50
146:440 147:166 148:648 149:299 150:152 151:166
152:285 153:168 154:2 155:328 156:158 157:324
158:107 159:376 160:316 161:179 162:254 163:171
164:408 165:331 166:467 167:401 168:786 169:165
170:707 171:57 172:2 173:818 174:607 175:90
176:1 178:165 180:488 182:109 183:224 184:58
186:466 187:343 188:1295 189:795 190:3770 192:5752
193:4707 194:3355 195:2757 196:1204 198:3585 199:3434
200:5354 201:1548 202:7978 203:8254 204:4064 205:2328
206:2515 207:3051 208:3889 209:3401 210:2494 211:1262
212:1750 213:1687 214:671 215:69 216:4659 217:1523
218:486 219:378 220:1136 221:398 222:304 223:1
End of report
More information about the afnog
mailing list