[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat May 15 04:10:31 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 15 May, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 321353
Prefixes after maximum aggregation: 148341
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 156858
Total ASes present in the Internet Routing Table: 34007
Prefixes per ASN: 9.45
Origin-only ASes present in the Internet Routing Table: 29525
Origin ASes announcing only one prefix: 14346
Transit ASes present in the Internet Routing Table: 4482
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: 24
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 341
Unregistered ASNs in the Routing Table: 120
Number of 32-bit ASNs allocated by the RIRs: 564
Prefixes from 32-bit ASNs in the Routing Table: 636
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2216648704
Equivalent to 132 /8s, 31 /16s and 96 /24s
Percentage of available address space announced: 59.8
Percentage of allocated address space announced: 65.1
Percentage of available address space allocated: 91.9
Percentage of address space in use by end-sites: 82.7
Total number of prefixes smaller than registry allocations: 154160
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76802
Total APNIC prefixes after maximum aggregation: 26762
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 73469
Unique aggregates announced from the APNIC address blocks: 32216
APNIC Region origin ASes present in the Internet Routing Table: 4033
APNIC Prefixes per ASN: 18.22
APNIC Region origin ASes announcing only one prefix: 1100
APNIC Region transit ASes present in the Internet Routing Table: 622
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 516278592
Equivalent to 30 /8s, 197 /16s and 201 /24s
Percentage of available APNIC address space announced: 76.9
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, 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: 133879
Total ARIN prefixes after maximum aggregation: 69162
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106795
Unique aggregates announced from the ARIN address blocks: 41618
ARIN Region origin ASes present in the Internet Routing Table: 13695
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5278
ARIN Region transit ASes present in the Internet Routing Table: 1351
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 730749728
Equivalent to 43 /8s, 142 /16s and 91 /24s
Percentage of available ARIN address space announced: 62.2
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: 73907
Total RIPE prefixes after maximum aggregation: 42884
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 66839
Unique aggregates announced from the RIPE address blocks: 43966
RIPE Region origin ASes present in the Internet Routing Table: 14455
RIPE Prefixes per ASN: 4.62
RIPE Region origin ASes announcing only one prefix: 7456
RIPE Region transit ASes present in the Internet Routing Table: 2159
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 425650848
Equivalent to 25 /8s, 94 /16s and 234 /24s
Percentage of available RIPE address space announced: 74.6
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, 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: 28593
Total LACNIC prefixes after maximum aggregation: 6808
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 26992
Unique aggregates announced from the LACNIC address blocks: 13997
LACNIC Region origin ASes present in the Internet Routing Table: 1287
LACNIC Prefixes per ASN: 20.97
LACNIC Region origin ASes announcing only one prefix: 407
LACNIC Region transit ASes present in the Internet Routing Table: 223
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 73060608
Equivalent to 4 /8s, 90 /16s and 209 /24s
Percentage of available LACNIC address space announced: 72.6
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: 7315
Total AfriNIC prefixes after maximum aggregation: 1835
AfriNIC Deaggregation factor: 3.99
Prefixes being announced from the AfriNIC address blocks: 5610
Unique aggregates announced from the AfriNIC address blocks: 1674
AfriNIC Region origin ASes present in the Internet Routing Table: 362
AfriNIC Prefixes per ASN: 15.50
AfriNIC Region origin ASes announcing only one prefix: 105
AfriNIC Region transit ASes present in the Internet Routing Table: 87
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 17840640
Equivalent to 1 /8s, 16 /16s and 58 /24s
Percentage of available AfriNIC address space announced: 53.2
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 1848 8422 483 Korea Telecom (KIX)
17488 1316 140 123 Hathway IP Over Cable Interne
4755 1306 293 155 TATA Communications formerly
7545 1196 232 105 TPG Internet Pty Ltd
17974 995 281 18 PT TELEKOMUNIKASI INDONESIA
9583 993 73 484 Sify Limited
4134 936 21190 403 CHINANET-BACKBONE
24560 897 304 167 Bharti Airtel Ltd., Telemedia
4808 844 1589 215 CNCGROUP IP network: China169
9829 777 676 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 3929 3733 288 bellsouth.net, inc.
4323 3842 1116 406 Time Warner Telecom
1785 1784 699 131 PaeTec Communications, Inc.
7018 1550 5757 985 AT&T WorldNet Services
20115 1537 1505 655 Charter Communications
2386 1296 584 917 AT&T Data Communications Serv
6478 1240 256 108 AT&T Worldnet Services
3356 1200 10920 415 Level 3 Communications, LLC
22773 1170 2606 72 Cox Communications, Inc.
11492 1145 209 284 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 625 56 6 United Telecom of Georgia
3292 454 2027 393 TDC Tele Danmark
30890 440 116 206 Evolva Telecom
702 414 1869 329 UUNET - Commercial IP service
8551 403 356 37 Bezeq International
8866 393 117 18 Bulgarian Telecommunication C
3301 366 1421 322 TeliaNet Sweden
3320 365 7072 318 Deutsche Telekom AG
12479 336 576 5 Uni2 Autonomous System
3215 331 3218 100 France Telecom Transpac
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 1555 2965 245 UniNet S.A. de C.V.
10620 1037 233 151 TVCABLE BOGOTA
28573 886 729 86 NET Servicos de Comunicao S.A
7303 719 372 101 Telecom Argentina Stet-France
6503 576 173 209 AVANTEL, S.A.
22047 543 310 15 VTR PUNTO NET S.A.
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 467 201 73 Empresa Nacional de Telecomun
14117 448 30 13 Telefonica del Sur S.A.
11172 444 99 72 Servicios Alestra S.A de C.V
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 1250 445 10 TEDATA
24863 718 147 43 LINKdotNET AS number
36992 624 275 178 Etisalat MISR
3741 273 852 232 The Internet Solution
2018 216 231 112 Tertiary Education Network
33776 208 11 14 Starcomms Nigeria Limited
24835 177 78 10 RAYA Telecom - Egypt
6713 176 167 12 Itissalat Al-MAGHRIB
29571 172 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 3929 3733 288 bellsouth.net, inc.
4323 3842 1116 406 Time Warner Telecom
4766 1848 8422 483 Korea Telecom (KIX)
1785 1784 699 131 PaeTec Communications, Inc.
8151 1555 2965 245 UniNet S.A. de C.V.
7018 1550 5757 985 AT&T WorldNet Services
20115 1537 1505 655 Charter Communications
17488 1316 140 123 Hathway IP Over Cable Interne
4755 1306 293 155 TATA Communications formerly
2386 1296 584 917 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 3842 3436 Time Warner Telecom
1785 1784 1653 PaeTec Communications, Inc.
4766 1848 1365 Korea Telecom (KIX)
8151 1555 1310 UniNet S.A. de C.V.
8452 1250 1240 TEDATA
17488 1316 1193 Hathway IP Over Cable Interne
4755 1306 1151 TATA Communications formerly
6478 1240 1132 AT&T Worldnet Services
22773 1170 1098 Cox Communications, Inc.
7545 1196 1091 TPG Internet Pty Ltd
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
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
41.202.96.0/19 29571 Ci Telecom Autonomous system
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
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 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 /10:26 /11:67 /12:193
/13:401 /14:690 /15:1264 /16:11060 /17:5278 /18:8974
/19:18281 /20:22561 /21:22664 /22:29485 /23:29142 /24:168304
/25:947 /26:1198 /27:622 /28:143 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2513 3929 bellsouth.net, inc.
4323 2332 3842 Time Warner Telecom
4766 1481 1848 Korea Telecom (KIX)
1785 1247 1784 PaeTec Communications, Inc.
8452 1128 1250 TEDATA
17488 1063 1316 Hathway IP Over Cable Interne
11492 1061 1145 Cable One
18566 1040 1059 Covad Communications
10620 953 1037 TVCABLE BOGOTA
7018 932 1550 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:264 12:2013 13:10 15:23
16:3 17:8 20:21 24:1414 27:55 31:1
32:47 33:12 38:669 40:98 41:2468 44:3
47:26 52:6 55:6 56:2 57:24 58:724
59:509 60:434 61:1087 62:1048 63:1980 64:3849
65:2363 66:4199 67:1838 68:1105 69:2813 70:710
71:243 72:1816 73:2 74:2280 75:251 76:306
77:872 78:625 79:412 80:1008 81:794 82:492
83:442 84:703 85:1049 86:459 87:698 88:329
89:1547 90:88 91:2755 92:475 93:1109 94:1416
95:597 96:248 97:311 98:545 99:28 108:16
109:475 110:347 111:494 112:257 113:285 114:400
115:591 116:1031 117:639 118:425 119:967 120:141
121:733 122:1438 123:888 124:1109 125:1292 128:209
129:210 130:192 131:560 132:246 133:17 134:194
135:45 136:228 137:172 138:255 139:92 140:483
141:137 142:354 143:388 144:476 145:52 146:430
147:165 148:608 149:288 150:153 151:169 152:262
153:167 154:2 155:329 156:184 157:324 158:107
159:372 160:311 161:205 162:262 163:174 164:408
165:532 166:480 167:393 168:785 169:161 170:701
171:51 172:1 173:733 174:616 175:91 176:1
178:88 180:469 182:60 183:251 184:41 186:379
187:345 188:1320 189:775 190:3649 192:5733 193:4696
194:3354 195:2774 196:1217 197:1 198:3569 199:3432
200:5354 201:1514 202:7976 203:8268 204:4060 205:2337
206:2540 207:3034 208:3920 209:3432 210:2505 211:1237
212:1731 213:1676 214:664 215:70 216:4588 217:1531
218:497 219:372 220:1105 221:400 222:291
End of report
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