[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 12 18:54:36 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 <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 13 Mar, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 313752
Prefixes after maximum aggregation: 145168
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 153109
Total ASes present in the Internet Routing Table: 33516
Prefixes per ASN: 9.36
Origin-only ASes present in the Internet Routing Table: 29092
Origin ASes announcing only one prefix: 14197
Transit ASes present in the Internet Routing Table: 4424
Transit-only ASes present in the Internet Routing Table: 100
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (32374) 19
Prefixes from unregistered ASNs in the Routing Table: 947
Unregistered ASNs in the Routing Table: 151
Number of 32-bit ASNs allocated by the RIRs: 466
Prefixes from 32-bit ASNs in the Routing Table: 476
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 212
Number of addresses announced to Internet: 2215388000
Equivalent to 132 /8s, 12 /16s and 35 /24s
Percentage of available address space announced: 59.8
Percentage of allocated address space announced: 66.4
Percentage of available address space allocated: 90.0
Percentage of address space in use by end-sites: 81.6
Total number of prefixes smaller than registry allocations: 150584
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75349
Total APNIC prefixes after maximum aggregation: 26071
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 72017
Unique aggregates announced from the APNIC address blocks: 31871
APNIC Region origin ASes present in the Internet Routing Table: 3977
APNIC Prefixes per ASN: 18.11
APNIC Region origin ASes announcing only one prefix: 1085
APNIC Region transit ASes present in the Internet Routing Table: 618
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 515850304
Equivalent to 30 /8s, 191 /16s and 64 /24s
Percentage of available APNIC address space announced: 80.9
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: 131163
Total ARIN prefixes after maximum aggregation: 68106
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 104904
Unique aggregates announced from the ARIN address blocks: 40002
ARIN Region origin ASes present in the Internet Routing Table: 13569
ARIN Prefixes per ASN: 7.73
ARIN Region origin ASes announcing only one prefix: 5254
ARIN Region transit ASes present in the Internet Routing Table: 1347
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 724169376
Equivalent to 43 /8s, 41 /16s and 242 /24s
Percentage of available ARIN address space announced: 61.7
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, 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: 72102
Total RIPE prefixes after maximum aggregation: 42129
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 65259
Unique aggregates announced from the RIPE address blocks: 43052
RIPE Region origin ASes present in the Internet Routing Table: 14192
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7351
RIPE Region transit ASes present in the Internet Routing Table: 2126
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 417961856
Equivalent to 24 /8s, 233 /16s and 151 /24s
Percentage of available RIPE address space announced: 77.9
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: 27820
Total LACNIC prefixes after maximum aggregation: 6653
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 26166
Unique aggregates announced from the LACNIC address blocks: 13562
LACNIC Region origin ASes present in the Internet Routing Table: 1252
LACNIC Prefixes per ASN: 20.90
LACNIC Region origin ASes announcing only one prefix: 410
LACNIC Region transit ASes present in the Internet Routing Table: 212
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 71505152
Equivalent to 4 /8s, 67 /16s and 21 /24s
Percentage of available LACNIC address space announced: 71.0
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: 6608
Total AfriNIC prefixes after maximum aggregation: 1792
AfriNIC Deaggregation factor: 3.69
Prefixes being announced from the AfriNIC address blocks: 4946
Unique aggregates announced from the AfriNIC address blocks: 1432
AfriNIC Region origin ASes present in the Internet Routing Table: 349
AfriNIC Prefixes per ASN: 14.17
AfriNIC Region origin ASes announcing only one prefix: 97
AfriNIC Region transit ASes present in the Internet Routing Table: 77
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14953216
Equivalent to 0 /8s, 228 /16s and 43 /24s
Percentage of available AfriNIC address space announced: 44.6
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 1831 8533 469 Korea Telecom (KIX)
17488 1300 133 134 Hathway IP Over Cable Interne
4755 1284 287 136 TATA Communications formerly
18101 1052 221 41 Reliance Infocom Ltd Internet
4134 1018 19605 397 CHINANET-BACKBONE
9583 1000 75 500 Sify Limited
7545 964 199 99 TPG Internet Pty Ltd
17974 951 282 18 PT TELEKOMUNIKASI INDONESIA
24560 841 300 166 Bharti Airtel Ltd., Telemedia
9829 840 683 24 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 4058 3842 311 bellsouth.net, inc.
4323 3788 1084 396 Time Warner Telecom
1785 1795 698 129 PaeTec Communications, Inc.
7018 1559 5756 1003 AT&T WorldNet Services
20115 1534 1494 666 Charter Communications
2386 1324 617 933 AT&T Data Communications Serv
3356 1222 10949 424 Level 3 Communications, LLC
11492 1151 222 14 Cable One
6478 1146 244 180 AT&T Worldnet Services
22773 1129 2604 70 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
35805 587 40 5 United Telecom of Georgia
30890 451 101 205 Evolva Telecom
3292 450 1900 392 TDC Tele Danmark
702 421 1870 333 UUNET - Commercial IP service
8551 396 353 37 Bezeq International
8866 392 117 18 Bulgarian Telecommunication C
3320 363 7072 317 Deutsche Telekom AG
3301 355 1413 316 TeliaNet Sweden
3215 347 3206 103 France Telecom Transpac
12479 330 576 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 1580 2893 236 UniNet S.A. de C.V.
10620 1011 227 154 TVCABLE BOGOTA
28573 909 715 86 NET Servicos de Comunicao S.A
7303 679 359 99 Telecom Argentina Stet-France
22047 533 310 15 VTR PUNTO NET S.A.
6503 498 167 193 AVANTEL, S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
11830 474 308 56 Instituto Costarricense de El
18881 452 268 11 Global Village Telecom
3816 449 194 69 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 913 445 10 TEDATA
24863 709 144 41 LINKdotNET AS number
36992 573 131 167 Etisalat MISR
3741 274 853 233 The Internet Solution
33776 224 14 8 Starcomms Nigeria Limited
2018 211 215 121 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 171 19 9 Ci Telecom Autonomous system
24835 136 78 11 RAYA Telecom - Egypt
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 4058 3842 311 bellsouth.net, inc.
4323 3788 1084 396 Time Warner Telecom
4766 1831 8533 469 Korea Telecom (KIX)
1785 1795 698 129 PaeTec Communications, Inc.
8151 1580 2893 236 UniNet S.A. de C.V.
7018 1559 5756 1003 AT&T WorldNet Services
20115 1534 1494 666 Charter Communications
2386 1324 617 933 AT&T Data Communications Serv
17488 1300 133 134 Hathway IP Over Cable Interne
4755 1284 287 136 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3788 3392 Time Warner Telecom
1785 1795 1666 PaeTec Communications, Inc.
4766 1831 1362 Korea Telecom (KIX)
8151 1580 1344 UniNet S.A. de C.V.
17488 1300 1166 Hathway IP Over Cable Interne
4755 1284 1148 TATA Communications formerly
11492 1151 1137 Cable One
22773 1129 1059 Cox Communications, Inc.
18566 1059 1049 Covad Communications
18101 1052 1011 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
41.77.236.0/22 23456 32-bit ASN transition
41.190.64.0/22 28683 Office des Postes et telecomm
41.202.96.0/19 29571 Ci Telecom Autonomous system
41.216.32.0/19 28683 Office des Postes et telecomm
41.220.144.0/20 36918 ORASCOM TELECOM ALGERIE VSAT
41.220.159.0/24 36918 ORASCOM TELECOM ALGERIE VSAT
41.222.79.0/24 36938 Amsco Telecommunications Nige
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 /12:188
/13:389 /14:666 /15:1232 /16:10973 /17:5173 /18:8739
/19:18132 /20:22044 /21:22254 /22:28672 /23:28359 /24:163874
/25:931 /26:1162 /27:589 /28:223 /29:14 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2626 4058 bellsouth.net, inc.
4323 2352 3788 Time Warner Telecom
4766 1450 1831 Korea Telecom (KIX)
1785 1258 1795 PaeTec Communications, Inc.
11492 1061 1151 Cable One
17488 1054 1300 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
7018 943 1559 AT&T WorldNet Services
18101 918 1052 Reliance Infocom Ltd Internet
10620 917 1011 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:12 8:244 12:1981 13:10 15:22
16:3 17:8 20:39 24:1360 27:1 32:48
38:648 40:100 41:1977 44:3 46:1 47:26
52:6 55:2 56:2 57:23 58:644 59:637
60:401 61:1095 62:1073 63:1979 64:3831 65:2358
66:4152 67:1802 68:1047 69:2843 70:694 71:241
72:1871 73:2 74:2137 75:244 76:316 77:826
78:568 79:411 80:992 81:767 82:452 83:451
84:653 85:1020 86:385 87:679 88:422 89:1533
90:77 91:2708 92:435 93:1134 94:1387 95:542
96:229 97:305 98:503 99:27 109:417 110:284
111:455 112:239 113:246 114:369 115:597 116:1034
117:635 118:392 119:935 120:149 121:844 122:1381
123:852 124:1072 125:1287 128:208 129:205 130:139
131:486 132:219 133:17 134:195 135:45 136:227
137:170 138:241 139:93 140:475 141:137 142:379
143:349 144:396 145:48 146:413 147:168 148:581
149:216 150:151 151:168 152:257 153:167 154:2
155:279 156:181 157:324 158:97 159:357 160:307
161:178 162:270 163:165 164:311 165:493 166:507
167:392 168:788 169:163 170:699 171:46 172:1
173:550 174:540 175:61 178:5 180:359 182:29
183:230 184:16 186:312 187:218 188:1136 189:698
190:3562 192:5720 193:4537 194:3360 195:2796 196:1173
198:3550 199:3377 200:5286 201:1484 202:8021 203:8329
204:4077 205:2168 206:2513 207:3040 208:3919 209:3451
210:2516 211:1193 212:1695 213:1694 214:267 215:61
216:4482 217:1507 218:472 219:423 220:1071 221:380
222:308
End of report
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