[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 5 18:44:12 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 06 Feb, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 311094
Prefixes after maximum aggregation: 143960
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 152571
Total ASes present in the Internet Routing Table: 33246
Prefixes per ASN: 9.36
Origin-only ASes present in the Internet Routing Table: 28867
Origin ASes announcing only one prefix: 14076
Transit ASes present in the Internet Routing Table: 4379
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: 23
Max AS path prepend of ASN ( 9503) 21
Prefixes from unregistered ASNs in the Routing Table: 819
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 425
Prefixes from 32-bit ASNs in the Routing Table: 380
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 243
Number of addresses announced to Internet: 2182589120
Equivalent to 130 /8s, 23 /16s and 170 /24s
Percentage of available address space announced: 58.9
Percentage of allocated address space announced: 66.1
Percentage of available address space allocated: 89.1
Percentage of address space in use by end-sites: 81.1
Total number of prefixes smaller than registry allocations: 149895
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75113
Total APNIC prefixes after maximum aggregation: 25903
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71774
Unique aggregates announced from the APNIC address blocks: 31611
APNIC Region origin ASes present in the Internet Routing Table: 3946
APNIC Prefixes per ASN: 18.19
APNIC Region origin ASes announcing only one prefix: 1079
APNIC Region transit ASes present in the Internet Routing Table: 625
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 491247392
Equivalent to 29 /8s, 71 /16s and 215 /24s
Percentage of available APNIC address space announced: 77.1
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: 129717
Total ARIN prefixes after maximum aggregation: 67664
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103877
Unique aggregates announced from the ARIN address blocks: 39391
ARIN Region origin ASes present in the Internet Routing Table: 13492
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 5215
ARIN Region transit ASes present in the Internet Routing Table: 1331
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 738405152
Equivalent to 44 /8s, 3 /16s and 43 /24s
Percentage of available ARIN address space announced: 64.7
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: 71727
Total RIPE prefixes after maximum aggregation: 41721
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 64752
Unique aggregates announced from the RIPE address blocks: 43107
RIPE Region origin ASes present in the Internet Routing Table: 14046
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7283
RIPE Region transit ASes present in the Internet Routing Table: 2097
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 413672064
Equivalent to 24 /8s, 168 /16s and 34 /24s
Percentage of available RIPE address space announced: 77.1
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: 27455
Total LACNIC prefixes after maximum aggregation: 6572
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 25808
Unique aggregates announced from the LACNIC address blocks: 13850
LACNIC Region origin ASes present in the Internet Routing Table: 1239
LACNIC Prefixes per ASN: 20.83
LACNIC Region origin ASes announcing only one prefix: 406
LACNIC Region transit ASes present in the Internet Routing Table: 208
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 70394624
Equivalent to 4 /8s, 50 /16s and 35 /24s
Percentage of available LACNIC address space announced: 69.9
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: 6477
Total AfriNIC prefixes after maximum aggregation: 1734
AfriNIC Deaggregation factor: 3.74
Prefixes being announced from the AfriNIC address blocks: 4855
Unique aggregates announced from the AfriNIC address blocks: 1405
AfriNIC Region origin ASes present in the Internet Routing Table: 341
AfriNIC Prefixes per ASN: 14.24
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 73
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 14853376
Equivalent to 0 /8s, 226 /16s and 165 /24s
Percentage of available AfriNIC address space announced: 44.3
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 1858 7511 472 Korea Telecom (KIX)
4755 1274 287 138 TATA Communications formerly
17488 1272 131 139 Hathway IP Over Cable Interne
18101 1091 221 40 Reliance Infocom Ltd Internet
4134 1018 19607 398 CHINANET-BACKBONE
9583 985 71 490 Sify Limited
7545 939 198 98 TPG Internet Pty Ltd
17974 887 277 43 PT TELEKOMUNIKASI INDONESIA
4808 851 1582 211 CNCGROUP IP network: China169
24560 843 299 170 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 4132 3875 317 bellsouth.net, inc.
4323 3785 1088 395 Time Warner Telecom
1785 1859 699 131 PaeTec Communications, Inc.
7018 1584 5760 1021 AT&T WorldNet Services
20115 1538 1487 673 Charter Communications
2386 1298 616 919 AT&T Data Communications Serv
3356 1208 10931 421 Level 3 Communications, LLC
11492 1144 222 14 Cable One
22773 1128 2600 66 Cox Communications, Inc.
6478 1109 241 225 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 568 40 5 United Telecom of Georgia
3292 455 1904 397 TDC Tele Danmark
30890 451 100 204 Evolva Telecom
702 423 1822 337 UUNET - Commercial IP service
8551 397 353 37 Bezeq International
8866 376 110 24 Bulgarian Telecommunication C
3320 360 7069 309 Deutsche Telekom AG
3301 351 1412 312 TeliaNet Sweden
3215 347 3206 103 France Telecom Transpac
12479 322 576 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 1571 2886 240 UniNet S.A. de C.V.
10620 996 225 145 TVCABLE BOGOTA
28573 855 679 86 NET Servicos de Comunicao S.A
7303 676 357 99 Telecom Argentina Stet-France
22047 534 310 15 VTR PUNTO NET S.A.
6503 490 167 192 AVANTEL, S.A.
11830 473 308 59 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
14117 439 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 1027 445 9 TEDATA
24863 722 144 40 LINKdotNET AS number
36992 541 119 139 Etisalat MISR
3741 273 854 233 The Internet Solution
2018 209 215 120 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 170 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 116 8 3 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 4132 3875 317 bellsouth.net, inc.
4323 3785 1088 395 Time Warner Telecom
1785 1859 699 131 PaeTec Communications, Inc.
4766 1858 7511 472 Korea Telecom (KIX)
7018 1584 5760 1021 AT&T WorldNet Services
8151 1571 2886 240 UniNet S.A. de C.V.
20115 1538 1487 673 Charter Communications
2386 1298 616 919 AT&T Data Communications Serv
4755 1274 287 138 TATA Communications formerly
17488 1272 131 139 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 3785 3390 Time Warner Telecom
1785 1859 1728 PaeTec Communications, Inc.
4766 1858 1386 Korea Telecom (KIX)
8151 1571 1331 UniNet S.A. de C.V.
4755 1274 1136 TATA Communications formerly
17488 1272 1133 Hathway IP Over Cable Interne
11492 1144 1130 Cable One
22773 1128 1062 Cox Communications, Inc.
18101 1091 1051 Reliance Infocom Ltd Internet
18566 1059 1049 Covad Communications
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
41.77.236.0/22 23456 32-bit ASN transition
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
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 /11:65 /12:185
/13:384 /14:659 /15:1247 /16:10899 /17:5114 /18:8708
/19:17895 /20:21843 /21:21895 /22:28211 /23:28324 /24:162692
/25:935 /26:1163 /27:581 /28:214 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2690 4132 bellsouth.net, inc.
4323 2353 3785 Time Warner Telecom
4766 1476 1858 Korea Telecom (KIX)
1785 1321 1859 PaeTec Communications, Inc.
11492 1062 1144 Cable One
17488 1051 1272 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
18101 962 1091 Reliance Infocom Ltd Internet
7018 952 1584 AT&T WorldNet Services
8452 926 1027 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:12 8:234 12:1998 13:10 15:22
16:3 17:8 20:39 24:1316 27:1 32:48
38:646 40:99 41:1941 44:3 46:1 47:26
52:6 55:2 56:2 57:23 58:643 59:632
60:397 61:1098 62:1039 63:2014 64:3802 65:2364
66:4103 67:1802 68:1039 69:2831 70:689 71:235
72:1869 73:2 74:2107 75:238 76:338 77:824
78:579 79:402 80:977 81:775 82:453 83:438
84:630 85:1009 86:381 87:688 88:419 89:1540
90:64 91:2708 92:422 93:1183 94:1378 95:791
96:212 97:295 98:536 99:23 100:1 109:305
110:296 111:425 112:231 113:224 114:354 115:518
116:1031 117:618 118:377 119:809 120:144 121:825
122:1402 123:871 124:1077 125:1285 128:196 129:202
130:139 131:482 132:82 133:16 134:195 135:42
136:226 137:177 138:238 139:89 140:463 141:132
142:377 143:339 144:388 145:51 146:405 147:178
148:568 149:204 150:146 151:170 152:248 153:165
154:2 155:274 156:178 157:331 158:98 159:355
160:305 161:163 162:272 163:165 164:304 165:462
166:503 167:389 168:761 169:157 170:569 171:48
172:3 173:467 174:532 175:37 178:5 180:301
183:226 184:3 186:257 187:227 188:1293 189:661
190:3504 192:5728 193:4457 194:3345 195:2779 196:1176
198:3534 199:3392 200:5325 201:1473 202:8092 203:8313
204:4020 205:2197 206:2482 207:2994 208:3922 209:3428
210:2539 211:1186 212:1661 213:1659 214:250 215:61
216:4429 217:1508 218:484 219:442 220:1067 221:470
222:306
End of report
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