[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 6 18:32:04 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 07 Nov, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 301614
Prefixes after maximum aggregation: 141503
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 149533
Total ASes present in the Internet Routing Table: 32604
Prefixes per ASN: 9.25
Origin-only ASes present in the Internet Routing Table: 28347
Origin ASes announcing only one prefix: 13795
Transit ASes present in the Internet Routing Table: 4257
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: 30
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 620
Unregistered ASNs in the Routing Table: 126
Number of 32-bit ASNs allocated by the RIRs: 312
Prefixes from 32-bit ASNs in the Routing Table: 256
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 202
Number of addresses announced to Internet: 2132041952
Equivalent to 127 /8s, 20 /16s and 96 /24s
Percentage of available address space announced: 57.5
Percentage of allocated address space announced: 65.2
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.8
Total number of prefixes smaller than registry allocations: 144805
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 72077
Total APNIC prefixes after maximum aggregation: 25252
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 68602
Unique aggregates announced from the APNIC address blocks: 30421
APNIC Region origin ASes present in the Internet Routing Table: 3847
APNIC Prefixes per ASN: 17.83
APNIC Region origin ASes announcing only one prefix: 1043
APNIC Region transit ASes present in the Internet Routing Table: 587
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 470541600
Equivalent to 28 /8s, 11 /16s and 229 /24s
Percentage of available APNIC address space announced: 80.1
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 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: 127441
Total ARIN prefixes after maximum aggregation: 67221
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101848
Unique aggregates announced from the ARIN address blocks: 38884
ARIN Region origin ASes present in the Internet Routing Table: 13330
ARIN Prefixes per ASN: 7.64
ARIN Region origin ASes announcing only one prefix: 5159
ARIN Region transit ASes present in the Internet Routing Table: 1314
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 714201088
Equivalent to 42 /8s, 145 /16s and 216 /24s
Percentage of available ARIN address space announced: 62.6
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: 69537
Total RIPE prefixes after maximum aggregation: 40772
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62836
Unique aggregates announced from the RIPE address blocks: 42111
RIPE Region origin ASes present in the Internet Routing Table: 13706
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 7114
RIPE Region transit ASes present in the Internet Routing Table: 2051
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 403252160
Equivalent to 24 /8s, 9 /16s and 35 /24s
Percentage of available RIPE address space announced: 75.1
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: 26058
Total LACNIC prefixes after maximum aggregation: 6385
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 24373
Unique aggregates announced from the LACNIC address blocks: 13436
LACNIC Region origin ASes present in the Internet Routing Table: 1202
LACNIC Prefixes per ASN: 20.28
LACNIC Region origin ASes announcing only one prefix: 382
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: 30
Number of LACNIC addresses announced to Internet: 68123136
Equivalent to 4 /8s, 15 /16s and 122 /24s
Percentage of available LACNIC address space announced: 67.7
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: 6017
Total AfriNIC prefixes after maximum aggregation: 1577
AfriNIC Deaggregation factor: 3.82
Prefixes being announced from the AfriNIC address blocks: 4374
Unique aggregates announced from the AfriNIC address blocks: 1588
AfriNIC Region origin ASes present in the Internet Routing Table: 330
AfriNIC Prefixes per ASN: 13.25
AfriNIC Region origin ASes announcing only one prefix: 97
AfriNIC Region transit ASes present in the Internet Routing Table: 66
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 12886016
Equivalent to 0 /8s, 196 /16s and 160 /24s
Percentage of available AfriNIC address space announced: 38.4
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 1771 7505 456 Korea Telecom (KIX)
17488 1360 140 125 Hathway IP Over Cable Interne
4755 1271 293 147 TATA Communications formerly
9583 1096 86 530 Sify Limited
4134 1010 19185 393 CHINANET-BACKBONE
18101 975 204 33 Reliance Infocom Ltd Internet
7545 901 198 99 TPG Internet Pty Ltd
9829 852 664 24 BSNL National Internet Backbo
17974 822 252 104 PT TELEKOMUNIKASI INDONESIA
24560 793 291 171 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 4262 3883 313 bellsouth.net, inc.
4323 3723 1054 399 Time Warner Telecom
1785 1785 715 140 PaeTec Communications, Inc.
7018 1572 5837 1042 AT&T WorldNet Services
20115 1486 1481 669 Charter Communications
6478 1321 270 433 AT&T Worldnet Services
2386 1304 638 942 AT&T Data Communications Serv
3356 1219 10964 440 Level 3 Communications, LLC
11492 1137 206 13 Cable One
22773 1101 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 515 98 209 Evolva Telecom
3292 448 1906 393 TDC Tele Danmark
702 415 1822 334 UUNET - Commercial IP service
9198 397 138 12 Kazakhtelecom Data Network Ad
35805 384 40 5 United Telecom of Georgia
8866 364 110 23 Bulgarian Telecommunication C
3320 354 7067 302 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 348 1412 305 TeliaNet Sweden
9121 319 1698 26 TTnet 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 1556 2898 236 UniNet S.A. de C.V.
10620 1032 228 102 TVCABLE BOGOTA
28573 797 661 90 NET Servicos de Comunicao S.A
7303 661 349 97 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 444 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 430 858 29 Telecomunicacoes da Bahia S.A
6471 422 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 949 188 7 TEDATA
24863 940 98 71 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 194 188 117 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 145 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet
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 4262 3883 313 bellsouth.net, inc.
4323 3723 1054 399 Time Warner Telecom
1785 1785 715 140 PaeTec Communications, Inc.
4766 1771 7505 456 Korea Telecom (KIX)
7018 1572 5837 1042 AT&T WorldNet Services
8151 1556 2898 236 UniNet S.A. de C.V.
20115 1486 1481 669 Charter Communications
17488 1360 140 125 Hathway IP Over Cable Interne
6478 1321 270 433 AT&T Worldnet Services
2386 1304 638 942 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3723 3324 Time Warner Telecom
1785 1785 1645 PaeTec Communications, Inc.
8151 1556 1320 UniNet S.A. de C.V.
4766 1771 1315 Korea Telecom (KIX)
17488 1360 1235 Hathway IP Over Cable Interne
4755 1271 1124 TATA Communications formerly
11492 1137 1124 Cable One
18566 1062 1052 Covad Communications
22773 1101 1035 Cox Communications, Inc.
18101 975 942 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 12.39.159.0/24 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
41.64.0.0/15 15475 Nile Online
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 /8:20 /9:10 /10:25 /11:65 /12:177
/13:360 /14:639 /15:1217 /16:10738 /17:4943 /18:8503
/19:17557 /20:21191 /21:21157 /22:27429 /23:27278 /24:157443
/25:945 /26:1125 /27:563 /28:203 /29:10 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2788 4262 bellsouth.net, inc.
4323 2351 3723 Time Warner Telecom
4766 1436 1771 Korea Telecom (KIX)
1785 1249 1785 PaeTec Communications, Inc.
17488 1136 1360 Hathway IP Over Cable Interne
11492 1061 1137 Cable One
18566 1043 1062 Covad Communications
9583 948 1096 Sify Limited
7018 944 1572 AT&T WorldNet Services
10620 937 1032 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 8:232 12:2137 13:7 15:22
16:3 17:5 20:36 24:1242 32:49 34:2
38:609 40:99 41:1737 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:622
59:611 60:443 61:987 62:966 63:1998 64:3669
65:2367 66:4088 67:1769 68:991 69:2781 70:590
71:153 72:1730 73:2 74:1981 75:184 76:362
77:859 78:581 79:376 80:939 81:818 82:480
83:440 84:542 85:1011 86:375 87:695 88:425
89:1499 90:52 91:2635 92:420 93:1180 94:1269
95:810 96:191 97:273 98:386 99:30 109:114
110:267 111:454 112:145 113:162 114:282 115:420
116:1005 117:589 118:346 119:786 120:127 121:702
122:1301 123:782 124:1054 125:1347 128:221 129:218
130:130 131:426 132:76 133:16 134:186 135:43
136:232 137:167 138:179 139:83 140:439 141:122
142:391 143:348 144:360 145:50 146:393 147:170
148:553 149:200 150:150 151:172 152:212 153:159
154:2 155:273 156:168 157:308 158:93 159:358
160:293 161:173 162:279 163:157 164:278 165:466
166:487 167:392 168:750 169:162 170:552 171:42
172:1 173:387 174:390 175:1 178:1 180:166
182:1 184:1 186:157 187:187 188:1259 189:622
190:3188 192:5746 193:4269 194:3321 195:2756 196:1167
198:3567 199:3356 200:5182 201:1351 202:7883 203:8231
204:3929 205:2144 206:2403 207:2998 208:3980 209:3428
210:2541 211:1145 212:1646 213:1629 214:164 215:39
216:4427 217:1335 218:471 219:436 220:1138 221:452
222:303
End of report
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