[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 20 19:07:42 UTC 2009
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 21 Nov, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 303515
Prefixes after maximum aggregation: 141876
Deaggregation factor: 2.14
Unique aggregates announced to Internet: 149990
Total ASes present in the Internet Routing Table: 32755
Prefixes per ASN: 9.27
Origin-only ASes present in the Internet Routing Table: 28465
Origin ASes announcing only one prefix: 13890
Transit ASes present in the Internet Routing Table: 4290
Transit-only ASes present in the Internet Routing Table: 101
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 641
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 325
Prefixes from 32-bit ASNs in the Routing Table: 268
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2135526784
Equivalent to 127 /8s, 73 /16s and 141 /24s
Percentage of available address space announced: 57.6
Percentage of allocated address space announced: 65.3
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.1
Total number of prefixes smaller than registry allocations: 145792
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 72525
Total APNIC prefixes after maximum aggregation: 25316
APNIC Deaggregation factor: 2.86
Prefixes being announced from the APNIC address blocks: 69057
Unique aggregates announced from the APNIC address blocks: 30639
APNIC Region origin ASes present in the Internet Routing Table: 3873
APNIC Prefixes per ASN: 17.83
APNIC Region origin ASes announcing only one prefix: 1056
APNIC Region transit ASes present in the Internet Routing Table: 595
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 471116320
Equivalent to 28 /8s, 20 /16s and 170 /24s
Percentage of available APNIC address space announced: 80.2
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 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, 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: 128091
Total ARIN prefixes after maximum aggregation: 67322
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 102319
Unique aggregates announced from the ARIN address blocks: 38824
ARIN Region origin ASes present in the Internet Routing Table: 13364
ARIN Prefixes per ASN: 7.66
ARIN Region origin ASes announcing only one prefix: 5178
ARIN Region transit ASes present in the Internet Routing Table: 1320
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 731512352
Equivalent to 43 /8s, 153 /16s and 254 /24s
Percentage of available ARIN address space announced: 64.1
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, 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: 70128
Total RIPE prefixes after maximum aggregation: 40973
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 63332
Unique aggregates announced from the RIPE address blocks: 42329
RIPE Region origin ASes present in the Internet Routing Table: 13789
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 7170
RIPE Region transit ASes present in the Internet Routing Table: 2068
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 405095104
Equivalent to 24 /8s, 37 /16s and 66 /24s
Percentage of available RIPE address space announced: 75.5
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: 26381
Total LACNIC prefixes after maximum aggregation: 6416
LACNIC Deaggregation factor: 4.11
Prefixes being announced from the LACNIC address blocks: 24694
Unique aggregates announced from the LACNIC address blocks: 13655
LACNIC Region origin ASes present in the Internet Routing Table: 1209
LACNIC Prefixes per ASN: 20.43
LACNIC Region origin ASes announcing only one prefix: 389
LACNIC Region transit ASes present in the Internet Routing Table: 200
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 68308480
Equivalent to 4 /8s, 18 /16s and 78 /24s
Percentage of available LACNIC address space announced: 67.9
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: 5891
Total AfriNIC prefixes after maximum aggregation: 1545
AfriNIC Deaggregation factor: 3.81
Prefixes being announced from the AfriNIC address blocks: 4280
Unique aggregates announced from the AfriNIC address blocks: 1382
AfriNIC Region origin ASes present in the Internet Routing Table: 332
AfriNIC Prefixes per ASN: 12.89
AfriNIC Region origin ASes announcing only one prefix: 97
AfriNIC Region transit ASes present in the Internet Routing Table: 69
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 13490176
Equivalent to 0 /8s, 205 /16s and 216 /24s
Percentage of available AfriNIC address space announced: 40.2
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 1775 7507 461 Korea Telecom (KIX)
17488 1443 143 134 Hathway IP Over Cable Interne
4755 1277 292 148 TATA Communications formerly
4134 1011 19183 392 CHINANET-BACKBONE
9583 994 73 491 Sify Limited
18101 983 204 34 Reliance Infocom Ltd Internet
7545 905 199 100 TPG Internet Pty Ltd
17974 866 265 61 PT TELEKOMUNIKASI INDONESIA
9829 846 663 23 BSNL National Internet Backbo
24560 802 293 174 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 4248 3879 312 bellsouth.net, inc.
4323 3739 1054 399 Time Warner Telecom
1785 1778 714 136 PaeTec Communications, Inc.
7018 1582 5838 1034 AT&T WorldNet Services
20115 1518 1483 665 Charter Communications
2386 1296 632 932 AT&T Data Communications Serv
6478 1280 267 368 AT&T Worldnet Services
3356 1227 10967 448 Level 3 Communications, LLC
11492 1142 222 14 Cable One
22773 1121 2600 66 Cox Communications, Inc.
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
30890 514 98 207 Evolva Telecom
3292 446 1906 391 TDC Tele Danmark
35805 445 40 5 United Telecom of Georgia
702 418 1822 336 UUNET - Commercial IP service
9198 417 138 12 Kazakhtelecom Data Network Ad
8551 377 354 41 Bezeq International
8866 367 110 23 Bulgarian Telecommunication C
3320 357 7067 304 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 348 1412 303 TeliaNet Sweden
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 1580 2899 232 UniNet S.A. de C.V.
10620 1017 226 110 TVCABLE BOGOTA
28573 811 665 87 NET Servicos de Comunicao S.A
7303 663 349 95 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 473 308 59 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 429 858 29 Telecomunicacoes da Bahia S.A
6471 423 96 31 ENTEL CHILE 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 1045 188 7 TEDATA
24863 756 130 46 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 190 188 118 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 132 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
29975 122 506 15 Vodacom
5536 121 8 18 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
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 4248 3879 312 bellsouth.net, inc.
4323 3739 1054 399 Time Warner Telecom
1785 1778 714 136 PaeTec Communications, Inc.
4766 1775 7507 461 Korea Telecom (KIX)
7018 1582 5838 1034 AT&T WorldNet Services
8151 1580 2899 232 UniNet S.A. de C.V.
20115 1518 1483 665 Charter Communications
17488 1443 143 134 Hathway IP Over Cable Interne
2386 1296 632 932 AT&T Data Communications Serv
6478 1280 267 368 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3739 3340 Time Warner Telecom
1785 1778 1642 PaeTec Communications, Inc.
8151 1580 1348 UniNet S.A. de C.V.
4766 1775 1314 Korea Telecom (KIX)
17488 1443 1309 Hathway IP Over Cable Interne
4755 1277 1129 TATA Communications formerly
11492 1142 1128 Cable One
22773 1121 1055 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1045 1038 TEDATA
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 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 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 /8:20 /9:10 /10:25 /11:65 /12:178
/13:361 /14:640 /15:1224 /16:10751 /17:4981 /18:8536
/19:17597 /20:21414 /21:21258 /22:27471 /23:27405 /24:158697
/25:934 /26:1126 /27:566 /28:229 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2779 4248 bellsouth.net, inc.
4323 2359 3739 Time Warner Telecom
4766 1440 1775 Korea Telecom (KIX)
1785 1245 1778 PaeTec Communications, Inc.
17488 1219 1443 Hathway IP Over Cable Interne
11492 1064 1142 Cable One
18566 1040 1059 Covad Communications
7018 946 1582 AT&T WorldNet Services
8452 945 1045 TEDATA
10620 922 1017 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:14 8:233 12:2104 13:8 15:22
16:3 17:5 20:36 24:1266 32:49 34:2
38:619 40:99 41:1803 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:632
59:610 60:444 61:978 62:949 63:1999 64:3686
65:2365 66:4077 67:1767 68:1001 69:2799 70:615
71:156 72:1752 73:2 74:2000 75:188 76:353
77:840 78:576 79:383 80:943 81:813 82:472
83:440 84:542 85:1023 86:382 87:693 88:424
89:1506 90:56 91:2644 92:427 93:1163 94:1300
95:822 96:201 97:273 98:417 99:30 109:164
110:285 111:456 112:147 113:174 114:291 115:357
116:1085 117:589 118:361 119:800 120:133 121:700
122:1302 123:780 124:1056 125:1352 128:222 129:204
130:135 131:442 132:82 133:16 134:187 135:43
136:232 137:166 138:236 139:84 140:458 141:122
142:385 143:343 144:383 145:52 146:394 147:173
148:557 149:193 150:148 151:171 152:219 153:160
154:2 155:274 156:166 157:313 158:95 159:361
160:294 161:174 162:276 163:163 164:278 165:468
166:490 167:392 168:751 169:160 170:555 171:43
172:1 173:397 174:397 180:184 183:134 184:1
186:176 187:179 188:1340 189:647 190:3244 192:5739
193:4305 194:3351 195:2749 196:1171 198:3575 199:3380
200:5221 201:1396 202:7913 203:8287 204:3960 205:2154
206:2407 207:3027 208:3979 209:3430 210:2529 211:1149
212:1635 213:1619 214:244 215:57 216:4432 217:1348
218:474 219:419 220:1137 221:451 222:300
End of report
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