[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 23 18:10:24 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 24 Apr, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 319297
Prefixes after maximum aggregation: 147421
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 154986
Total ASes present in the Internet Routing Table: 33849
Prefixes per ASN: 9.43
Origin-only ASes present in the Internet Routing Table: 29368
Origin ASes announcing only one prefix: 14321
Transit ASes present in the Internet Routing Table: 4481
Transit-only ASes present in the Internet Routing Table: 107
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (32374) 19
Prefixes from unregistered ASNs in the Routing Table: 551
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 530
Prefixes from 32-bit ASNs in the Routing Table: 593
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 207
Number of addresses announced to Internet: 2232801984
Equivalent to 133 /8s, 21 /16s and 218 /24s
Percentage of available address space announced: 60.2
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 90.9
Percentage of address space in use by end-sites: 82.4
Total number of prefixes smaller than registry allocations: 153040
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76246
Total APNIC prefixes after maximum aggregation: 26542
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 73091
Unique aggregates announced from the APNIC address blocks: 32073
APNIC Region origin ASes present in the Internet Routing Table: 4002
APNIC Prefixes per ASN: 18.26
APNIC Region origin ASes announcing only one prefix: 1098
APNIC Region transit ASes present in the Internet Routing Table: 629
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 510246208
Equivalent to 30 /8s, 105 /16s and 189 /24s
Percentage of available APNIC address space announced: 76.0
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, 14/8, 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, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 133660
Total ARIN prefixes after maximum aggregation: 68828
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106521
Unique aggregates announced from the ARIN address blocks: 40566
ARIN Region origin ASes present in the Internet Routing Table: 13641
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5259
ARIN Region transit ASes present in the Internet Routing Table: 1352
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 725747232
Equivalent to 43 /8s, 66 /16s and 6 /24s
Percentage of available ARIN address space announced: 61.8
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: 73238
Total RIPE prefixes after maximum aggregation: 42689
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 66217
Unique aggregates announced from the RIPE address blocks: 43594
RIPE Region origin ASes present in the Internet Routing Table: 14395
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7445
RIPE Region transit ASes present in the Internet Routing Table: 2152
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 422167200
Equivalent to 25 /8s, 41 /16s and 194 /24s
Percentage of available RIPE address space announced: 78.6
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: 28362
Total LACNIC prefixes after maximum aggregation: 6743
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 26765
Unique aggregates announced from the LACNIC address blocks: 13820
LACNIC Region origin ASes present in the Internet Routing Table: 1270
LACNIC Prefixes per ASN: 21.07
LACNIC Region origin ASes announcing only one prefix: 413
LACNIC Region transit ASes present in the Internet Routing Table: 226
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 72457408
Equivalent to 4 /8s, 81 /16s and 156 /24s
Percentage of available LACNIC address space announced: 72.0
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: 6764
Total AfriNIC prefixes after maximum aggregation: 1783
AfriNIC Deaggregation factor: 3.79
Prefixes being announced from the AfriNIC address blocks: 5154
Unique aggregates announced from the AfriNIC address blocks: 1460
AfriNIC Region origin ASes present in the Internet Routing Table: 357
AfriNIC Prefixes per ASN: 14.44
AfriNIC Region origin ASes announcing only one prefix: 106
AfriNIC Region transit ASes present in the Internet Routing Table: 82
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14435328
Equivalent to 0 /8s, 220 /16s and 68 /24s
Percentage of available AfriNIC address space announced: 43.0
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 1845 8406 479 Korea Telecom (KIX)
17488 1308 136 125 Hathway IP Over Cable Interne
4755 1295 291 148 TATA Communications formerly
7545 1145 205 109 TPG Internet Pty Ltd
17974 1010 281 18 PT TELEKOMUNIKASI INDONESIA
9583 985 72 485 Sify Limited
4134 938 20414 395 CHINANET-BACKBONE
24560 883 303 169 Bharti Airtel Ltd., Telemedia
4808 843 1587 215 CNCGROUP IP network: China169
9829 811 679 41 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 4001 3837 296 bellsouth.net, inc.
4323 3830 1116 403 Time Warner Telecom
1785 1782 699 132 PaeTec Communications, Inc.
7018 1557 5741 989 AT&T WorldNet Services
20115 1512 1500 658 Charter Communications
2386 1309 585 927 AT&T Data Communications Serv
3356 1217 10924 423 Level 3 Communications, LLC
6478 1209 249 149 AT&T Worldnet Services
11492 1145 222 14 Cable One
22773 1143 2605 71 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 616 56 6 United Telecom of Georgia
3292 449 1899 390 TDC Tele Danmark
30890 433 99 201 Evolva Telecom
702 416 1869 331 UUNET - Commercial IP service
8551 401 356 37 Bezeq International
8866 395 117 18 Bulgarian Telecommunication C
3301 365 1413 320 TeliaNet Sweden
3320 363 7072 316 Deutsche Telekom AG
3215 348 3238 104 France Telecom Transpac
12479 332 576 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 1544 2965 242 UniNet S.A. de C.V.
10620 1035 239 157 TVCABLE BOGOTA
28573 923 735 89 NET Servicos de Comunicao S.A
7303 705 363 103 Telecom Argentina Stet-France
22047 549 310 15 VTR PUNTO NET S.A.
6503 541 171 211 AVANTEL, S.A.
18881 532 268 11 Global Village Telecom
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 459 195 70 Empresa Nacional de Telecomun
14117 455 30 13 Telefonica del Sur 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 1054 189 9 TEDATA
24863 712 145 41 LINKdotNET AS number
36992 575 240 160 Etisalat MISR
3741 272 850 232 The Internet Solution
33776 219 12 14 Starcomms Nigeria Limited
2018 216 230 110 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 172 19 9 Ci Telecom Autonomous system
29975 133 506 14 Vodacom
5536 113 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 4001 3837 296 bellsouth.net, inc.
4323 3830 1116 403 Time Warner Telecom
4766 1845 8406 479 Korea Telecom (KIX)
1785 1782 699 132 PaeTec Communications, Inc.
7018 1557 5741 989 AT&T WorldNet Services
8151 1544 2965 242 UniNet S.A. de C.V.
20115 1512 1500 658 Charter Communications
2386 1309 585 927 AT&T Data Communications Serv
17488 1308 136 125 Hathway IP Over Cable Interne
4755 1295 291 148 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 3830 3427 Time Warner Telecom
1785 1782 1650 PaeTec Communications, Inc.
4766 1845 1366 Korea Telecom (KIX)
8151 1544 1302 UniNet S.A. de C.V.
17488 1308 1183 Hathway IP Over Cable Interne
4755 1295 1147 TATA Communications formerly
11492 1145 1131 Cable One
22773 1143 1072 Cox Communications, Inc.
6478 1209 1060 AT&T Worldnet Services
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 1239 Sprint
26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
26973 UNALLOCATED 12.39.155.0/24 1239 Sprint
26973 UNALLOCATED 12.39.159.0/24 1239 Sprint
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
14.0.0.0/8 38639 NTT Communications Corporatio
41.190.64.0/22 28683 Office des Postes et telecomm
41.190.66.0/24 37039 >>UNKNOWN<<
41.202.96.0/19 29571 Ci Telecom Autonomous system
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 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
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 /12:192
/13:396 /14:684 /15:1247 /16:11068 /17:5231 /18:8929
/19:18342 /20:22449 /21:22552 /22:29289 /23:28964 /24:166838
/25:977 /26:1225 /27:627 /28:141 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2566 4001 bellsouth.net, inc.
4323 2340 3830 Time Warner Telecom
4766 1480 1845 Korea Telecom (KIX)
1785 1242 1782 PaeTec Communications, Inc.
17488 1060 1308 Hathway IP Over Cable Interne
11492 1056 1145 Cable One
18566 1040 1059 Covad Communications
8452 954 1054 TEDATA
10620 945 1035 TVCABLE BOGOTA
7018 936 1557 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:257 12:2001 13:10 15:23 16:3
17:8 20:25 24:1409 27:51 32:48 33:12
38:660 40:99 41:2141 44:3 46:1 47:25
52:6 55:7 56:2 57:24 58:711 59:535
60:427 61:1097 62:1011 63:1993 64:3852 65:2361
66:4137 67:1797 68:1057 69:2826 70:707 71:236
72:1814 73:2 74:2243 75:246 76:308 77:844
78:604 79:387 80:984 81:782 82:464 83:444
84:693 85:1038 86:441 87:692 88:327 89:1557
90:85 91:2719 92:460 93:1102 94:1385 95:577
96:229 97:306 98:545 99:26 109:450 110:313
111:473 112:247 113:273 114:390 115:599 116:1021
117:629 118:424 119:923 120:149 121:787 122:1427
123:872 124:1107 125:1293 128:209 129:204 130:163
131:558 132:245 133:17 134:195 135:44 136:227
137:171 138:255 139:92 140:487 141:136 142:374
143:389 144:465 145:53 146:416 147:169 148:586
149:289 150:150 151:180 152:277 153:168 154:2
155:328 156:184 157:328 158:107 159:368 160:315
161:179 162:268 163:168 164:405 165:528 166:507
167:405 168:801 169:160 170:729 171:50 172:1
173:662 174:653 175:75 178:66 180:419 182:36
183:247 184:35 186:365 187:300 188:1249 189:746
190:3628 192:5732 193:4673 194:3367 195:2777 196:1139
197:1 198:3563 199:3419 200:5326 201:1516 202:7922
203:8319 204:4053 205:2324 206:2542 207:3044 208:3955
209:3474 210:2513 211:1239 212:1717 213:1663 214:596
215:70 216:4574 217:1531 218:500 219:395 220:1109
221:383 222:313
End of report
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