[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jun 5 04:10:30 EST 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 05 Jun, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 321840
Prefixes after maximum aggregation: 148535
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 157096
Total ASes present in the Internet Routing Table: 34116
Prefixes per ASN: 9.43
Origin-only ASes present in the Internet Routing Table: 29612
Origin ASes announcing only one prefix: 14387
Transit ASes present in the Internet Routing Table: 4504
Transit-only ASes present in the Internet Routing Table: 104
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 316
Unregistered ASNs in the Routing Table: 117
Number of 32-bit ASNs allocated by the RIRs: 605
Prefixes from 32-bit ASNs in the Routing Table: 679
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 177
Number of addresses announced to Internet: 2230949344
Equivalent to 132 /8s, 249 /16s and 149 /24s
Percentage of available address space announced: 60.2
Percentage of allocated address space announced: 64.9
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.1
Total number of prefixes smaller than registry allocations: 154062
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77021
Total APNIC prefixes after maximum aggregation: 26796
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 74073
Unique aggregates announced from the APNIC address blocks: 32634
APNIC Region origin ASes present in the Internet Routing Table: 4071
APNIC Prefixes per ASN: 18.20
APNIC Region origin ASes announcing only one prefix: 1123
APNIC Region transit ASes present in the Internet Routing Table: 632
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 520409120
Equivalent to 31 /8s, 4 /16s and 208 /24s
Percentage of available APNIC address space announced: 77.5
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: 134032
Total ARIN prefixes after maximum aggregation: 69042
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106785
Unique aggregates announced from the ARIN address blocks: 41111
ARIN Region origin ASes present in the Internet Routing Table: 13714
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5271
ARIN Region transit ASes present in the Internet Routing Table: 1344
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 735951904
Equivalent to 43 /8s, 221 /16s and 188 /24s
Percentage of available ARIN address space announced: 62.7
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: 74083
Total RIPE prefixes after maximum aggregation: 43081
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67041
Unique aggregates announced from the RIPE address blocks: 44213
RIPE Region origin ASes present in the Internet Routing Table: 14501
RIPE Prefixes per ASN: 4.62
RIPE Region origin ASes announcing only one prefix: 7491
RIPE Region transit ASes present in the Internet Routing Table: 2172
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 429056672
Equivalent to 25 /8s, 146 /16s and 226 /24s
Percentage of available RIPE address space announced: 75.2
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, 31/8, 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, 176/8, 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: 28457
Total LACNIC prefixes after maximum aggregation: 6865
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 26892
Unique aggregates announced from the LACNIC address blocks: 14146
LACNIC Region origin ASes present in the Internet Routing Table: 1293
LACNIC Prefixes per ASN: 20.80
LACNIC Region origin ASes announcing only one prefix: 397
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: 73480448
Equivalent to 4 /8s, 97 /16s and 57 /24s
Percentage of available LACNIC address space announced: 54.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7349
Total AfriNIC prefixes after maximum aggregation: 1801
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 5682
Unique aggregates announced from the AfriNIC address blocks: 1716
AfriNIC Region origin ASes present in the Internet Routing Table: 362
AfriNIC Prefixes per ASN: 15.70
AfriNIC Region origin ASes announcing only one prefix: 105
AfriNIC Region transit ASes present in the Internet Routing Table: 83
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 18825216
Equivalent to 1 /8s, 31 /16s and 64 /24s
Percentage of available AfriNIC address space announced: 56.1
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 1852 8422 485 Korea Telecom (KIX)
17488 1312 141 124 Hathway IP Over Cable Interne
4755 1311 293 152 TATA Communications formerly
7545 1285 232 103 TPG Internet Pty Ltd
17974 1079 281 19 PT TELEKOMUNIKASI INDONESIA
9583 1003 74 492 Sify Limited
24560 911 306 170 Bharti Airtel Ltd., Telemedia
4134 874 21259 406 CHINANET-BACKBONE
4808 845 1571 213 CNCGROUP IP network: China169
9829 798 681 34 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 3921 3732 286 bellsouth.net, inc.
4323 3361 1113 394 Time Warner Telecom
1785 1789 699 130 PaeTec Communications, Inc.
20115 1530 1498 657 Charter Communications
7018 1516 5735 967 AT&T WorldNet Services
2386 1287 569 909 AT&T Data Communications Serv
6478 1271 260 97 AT&T Worldnet Services
3356 1187 10883 405 Level 3 Communications, LLC
22773 1161 2605 65 Cox Communications, Inc.
11492 1151 207 68 Cable One
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 630 56 6 United Telecom of Georgia
3292 453 2026 394 TDC Tele Danmark
30890 443 111 205 Evolva Telecom
702 413 1869 328 UUNET - Commercial IP service
8551 402 355 38 Bezeq International
8866 401 117 18 Bulgarian Telecommunication C
3301 368 1414 323 TeliaNet Sweden
3320 366 7072 319 Deutsche Telekom AG
34984 356 88 183 BILISIM TELEKOM
12479 333 576 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 1517 2965 244 UniNet S.A. de C.V.
10620 1052 236 152 TVCABLE BOGOTA
28573 895 725 78 NET Servicos de Comunicao S.A
7303 740 382 117 Telecom Argentina Stet-France
6503 600 174 209 AVANTEL, S.A.
22047 545 310 15 VTR PUNTO NET S.A.
3816 480 206 75 Empresa Nacional de Telecomun
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 457 31 70 ANDINATEL S.A.
14117 456 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 1230 445 10 TEDATA
24863 717 147 39 LINKdotNET AS number
36992 648 279 186 Etisalat MISR
3741 269 852 230 The Internet Solution
2018 219 244 61 Tertiary Education Network
33776 215 11 10 Starcomms Nigeria Limited
6713 186 177 14 Itissalat Al-MAGHRIB
24835 176 78 10 RAYA Telecom - Egypt
29571 174 19 9 Ci Telecom Autonomous system
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 3921 3732 286 bellsouth.net, inc.
4323 3361 1113 394 Time Warner Telecom
4766 1852 8422 485 Korea Telecom (KIX)
1785 1789 699 130 PaeTec Communications, Inc.
20115 1530 1498 657 Charter Communications
8151 1517 2965 244 UniNet S.A. de C.V.
7018 1516 5735 967 AT&T WorldNet Services
17488 1312 141 124 Hathway IP Over Cable Interne
4755 1311 293 152 TATA Communications formerly
2386 1287 569 909 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 3361 2967 Time Warner Telecom
1785 1789 1659 PaeTec Communications, Inc.
4766 1852 1367 Korea Telecom (KIX)
8151 1517 1273 UniNet S.A. de C.V.
8452 1230 1220 TEDATA
17488 1312 1188 Hathway IP Over Cable Interne
7545 1285 1182 TPG Internet Pty Ltd
6478 1271 1174 AT&T Worldnet Services
4755 1311 1159 TATA Communications formerly
22773 1161 1096 Cox Communications, Inc.
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
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
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 6453 Teleglobe Inc.
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
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 /8:19 /9:10 /10:27 /11:67 /12:193
/13:404 /14:694 /15:1276 /16:11097 /17:5288 /18:9010
/19:18296 /20:22561 /21:22591 /22:29540 /23:29185 /24:168618
/25:964 /26:1257 /27:617 /28:101 /29:10 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2512 3921 bellsouth.net, inc.
4323 1852 3361 Time Warner Telecom
4766 1483 1852 Korea Telecom (KIX)
1785 1252 1789 PaeTec Communications, Inc.
8452 1117 1230 TEDATA
11492 1065 1151 Cable One
17488 1058 1312 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
10620 968 1052 TVCABLE BOGOTA
7018 913 1516 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 4:13 8:265 12:2014 13:11 14:1
15:23 16:3 17:8 20:21 24:1413 27:111
31:1 32:47 33:12 38:676 40:98 41:2500
44:3 47:26 52:8 55:7 56:2 57:24
58:778 59:502 60:454 61:1077 62:1075 63:1969
64:3616 65:2345 66:4261 67:1833 68:1099 69:2867
70:718 71:243 72:1835 73:2 74:2107 75:255
76:308 77:856 78:632 79:421 80:1002 81:797
82:480 83:431 84:702 85:1028 86:465 87:693
88:332 89:1543 90:90 91:2788 92:506 93:1104
94:1429 95:597 96:279 97:321 98:567 99:28
108:32 109:512 110:420 111:504 112:262 113:292
114:417 115:567 116:1034 117:644 118:478 119:939
120:141 121:742 122:1447 123:918 124:1100 125:1304
128:209 129:212 130:193 131:557 132:247 133:17
134:195 135:45 136:230 137:169 138:256 139:103
140:510 141:137 142:350 143:390 144:477 145:51
146:431 147:166 148:615 149:295 150:153 151:168
152:261 153:168 154:2 155:328 156:156 157:323
158:107 159:374 160:316 161:179 162:263 163:171
164:408 165:330 166:476 167:402 168:783 169:165
170:706 171:56 172:2 173:788 174:608 175:92
176:1 178:167 180:491 182:87 183:132 184:47
186:452 187:340 188:1308 189:794 190:3690 192:5748
193:4704 194:3352 195:2756 196:1211 198:3564 199:3428
200:5352 201:1537 202:7979 203:8265 204:4064 205:2318
206:2521 207:3046 208:3872 209:3411 210:2508 211:1262
212:1761 213:1689 214:665 215:68 216:4666 217:1537
218:486 219:380 220:1126 221:398 222:317 223:1
End of report
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