[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 22 18:50:19 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 23 Jan, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 309323
Prefixes after maximum aggregation: 143748
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 152029
Total ASes present in the Internet Routing Table: 33159
Prefixes per ASN: 9.33
Origin-only ASes present in the Internet Routing Table: 28791
Origin ASes announcing only one prefix: 14048
Transit ASes present in the Internet Routing Table: 4368
Transit-only ASes present in the Internet Routing Table: 106
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 9503) 21
Prefixes from unregistered ASNs in the Routing Table: 764
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 406
Prefixes from 32-bit ASNs in the Routing Table: 351
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 186
Number of addresses announced to Internet: 2178191808
Equivalent to 129 /8s, 212 /16s and 145 /24s
Percentage of available address space announced: 58.8
Percentage of allocated address space announced: 65.9
Percentage of available address space allocated: 89.1
Percentage of address space in use by end-sites: 80.8
Total number of prefixes smaller than registry allocations: 149077
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 74725
Total APNIC prefixes after maximum aggregation: 25834
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 71407
Unique aggregates announced from the APNIC address blocks: 31479
APNIC Region origin ASes present in the Internet Routing Table: 3922
APNIC Prefixes per ASN: 18.21
APNIC Region origin ASes announcing only one prefix: 1070
APNIC Region transit ASes present in the Internet Routing Table: 619
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 489484832
Equivalent to 29 /8s, 44 /16s and 242 /24s
Percentage of available APNIC address space announced: 76.8
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, 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,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 129460
Total ARIN prefixes after maximum aggregation: 67652
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103566
Unique aggregates announced from the ARIN address blocks: 39277
ARIN Region origin ASes present in the Internet Routing Table: 13475
ARIN Prefixes per ASN: 7.69
ARIN Region origin ASes announcing only one prefix: 5213
ARIN Region transit ASes present in the Internet Routing Table: 1336
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 735487520
Equivalent to 43 /8s, 214 /16s and 166 /24s
Percentage of available ARIN address space announced: 64.5
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: 71135
Total RIPE prefixes after maximum aggregation: 41584
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64228
Unique aggregates announced from the RIPE address blocks: 42817
RIPE Region origin ASes present in the Internet Routing Table: 14007
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 7277
RIPE Region transit ASes present in the Internet Routing Table: 2094
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 414369024
Equivalent to 24 /8s, 178 /16s and 197 /24s
Percentage of available RIPE address space announced: 77.2
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: 27183
Total LACNIC prefixes after maximum aggregation: 6541
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 25544
Unique aggregates announced from the LACNIC address blocks: 13806
LACNIC Region origin ASes present in the Internet Routing Table: 1232
LACNIC Prefixes per ASN: 20.73
LACNIC Region origin ASes announcing only one prefix: 396
LACNIC Region transit ASes present in the Internet Routing Table: 202
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 70307584
Equivalent to 4 /8s, 48 /16s and 207 /24s
Percentage of available LACNIC address space announced: 69.8
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: 6246
Total AfriNIC prefixes after maximum aggregation: 1788
AfriNIC Deaggregation factor: 3.49
Prefixes being announced from the AfriNIC address blocks: 4629
Unique aggregates announced from the AfriNIC address blocks: 1565
AfriNIC Region origin ASes present in the Internet Routing Table: 337
AfriNIC Prefixes per ASN: 13.74
AfriNIC Region origin ASes announcing only one prefix: 92
AfriNIC Region transit ASes present in the Internet Routing Table: 75
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 14803712
Equivalent to 0 /8s, 225 /16s and 227 /24s
Percentage of available AfriNIC address space announced: 44.1
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 1857 7510 470 Korea Telecom (KIX)
4755 1310 303 137 TATA Communications formerly
17488 1273 131 140 Hathway IP Over Cable Interne
18101 1079 220 37 Reliance Infocom Ltd Internet
4134 1020 19605 398 CHINANET-BACKBONE
9583 986 72 491 Sify Limited
7545 931 198 98 TPG Internet Pty Ltd
17974 880 272 54 PT TELEKOMUNIKASI INDONESIA
9829 839 683 24 BSNL National Internet Backbo
24560 837 299 172 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 4149 3875 316 bellsouth.net, inc.
4323 3783 1088 395 Time Warner Telecom
1785 1817 699 132 PaeTec Communications, Inc.
7018 1593 5778 1029 AT&T WorldNet Services
20115 1542 1490 671 Charter Communications
2386 1292 616 917 AT&T Data Communications Serv
3356 1203 10929 425 Level 3 Communications, LLC
11492 1128 222 14 Cable One
22773 1125 2600 66 Cox Communications, Inc.
6478 1103 241 262 AT&T Worldnet Services
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 475 40 5 United Telecom of Georgia
3292 451 1904 395 TDC Tele Danmark
30890 439 99 205 Evolva Telecom
702 422 1821 336 UUNET - Commercial IP service
8551 397 353 37 Bezeq International
8866 374 110 24 Bulgarian Telecommunication C
3320 361 7068 308 Deutsche Telekom AG
3215 351 3176 108 France Telecom Transpac
3301 349 1412 310 TeliaNet Sweden
12479 320 576 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 1573 2886 240 UniNet S.A. de C.V.
10620 1007 225 131 TVCABLE BOGOTA
28573 840 674 85 NET Servicos de Comunicao S.A
7303 671 356 100 Telecom Argentina Stet-France
22047 548 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
6503 446 163 185 AVANTEL, S.A.
11172 444 99 69 Servicios Alestra S.A de C.V
14117 438 29 12 Telefonica del Sur S.A.
3816 432 194 70 Empresa Nacional de Telecomun
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 1017 445 9 TEDATA
24863 723 143 53 LINKdotNET AS number
36992 282 75 172 Etisalat MISR
3741 274 857 234 The Internet Solution
2018 190 197 111 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 167 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 117 7 17 Internet Egypt Network
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 4149 3875 316 bellsouth.net, inc.
4323 3783 1088 395 Time Warner Telecom
4766 1857 7510 470 Korea Telecom (KIX)
1785 1817 699 132 PaeTec Communications, Inc.
7018 1593 5778 1029 AT&T WorldNet Services
8151 1573 2886 240 UniNet S.A. de C.V.
20115 1542 1490 671 Charter Communications
4755 1310 303 137 TATA Communications formerly
2386 1292 616 917 AT&T Data Communications Serv
17488 1273 131 140 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3783 3388 Time Warner Telecom
1785 1817 1685 PaeTec Communications, Inc.
4766 1857 1387 Korea Telecom (KIX)
8151 1573 1333 UniNet S.A. de C.V.
4755 1310 1173 TATA Communications formerly
17488 1273 1133 Hathway IP Over Cable Interne
11492 1128 1114 Cable One
22773 1125 1059 Cox Communications, Inc.
18566 1059 1049 Covad Communications
18101 1079 1042 Reliance Infocom Ltd Internet
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
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 /8:21 /9:10 /10:25 /11:66 /12:183
/13:385 /14:660 /15:1243 /16:10875 /17:5102 /18:8646
/19:17799 /20:21717 /21:21723 /22:28019 /23:28196 /24:161741
/25:928 /26:1160 /27:585 /28:215 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2707 4149 bellsouth.net, inc.
4323 2359 3783 Time Warner Telecom
4766 1475 1857 Korea Telecom (KIX)
1785 1285 1817 PaeTec Communications, Inc.
17488 1049 1273 Hathway IP Over Cable Interne
11492 1048 1128 Cable One
18566 1040 1059 Covad Communications
7018 960 1593 AT&T WorldNet Services
18101 958 1079 Reliance Infocom Ltd Internet
8452 913 1017 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:13 8:234 12:2012 13:10 15:22
16:3 17:8 20:37 24:1301 32:49 38:642
40:99 41:1910 44:3 46:1 47:26 52:6
55:2 56:2 57:23 58:632 59:637 60:390
61:1100 62:977 63:2027 64:3796 65:2360 66:4102
67:1813 68:1052 69:2842 70:690 71:227 72:1874
73:2 74:2073 75:232 76:354 77:827 78:580
79:408 80:968 81:787 82:450 83:438 84:561
85:1003 86:383 87:706 88:418 89:1537 90:67
91:2686 92:413 93:1153 94:1287 95:794 96:208
97:294 98:493 99:23 100:1 109:235 110:265
111:418 112:184 113:225 114:309 115:513 116:1042
117:609 118:373 119:809 120:142 121:839 122:1376
123:834 124:1076 125:1298 128:198 129:203 130:138
131:461 132:82 133:16 134:195 135:41 136:222
137:172 138:235 139:80 140:464 141:123 142:375
143:348 144:391 145:51 146:417 147:179 148:566
149:195 150:146 151:171 152:248 153:165 154:2
155:271 156:178 157:330 158:97 159:355 160:304
161:176 162:272 163:187 164:311 165:470 166:493
167:388 168:759 169:157 170:568 171:48 172:2
173:444 174:530 175:26 180:284 183:212 184:3
186:261 187:211 188:1263 189:613 190:3444 192:5727
193:4410 194:3354 195:2778 196:1187 198:3559 199:3385
200:5295 201:1467 202:8087 203:8315 204:3996 205:2167
206:2420 207:3062 208:3898 209:3407 210:2531 211:1177
212:1648 213:1643 214:256 215:61 216:4441 217:1471
218:495 219:444 220:1129 221:465 222:309
End of report
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