[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Oct 16 05:29:12 EST 2010
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 16 Oct, 2010
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 333673
Prefixes after maximum aggregation: 153173
Deaggregation factor: 2.18
Unique aggregates announced to Internet: 163976
Total ASes present in the Internet Routing Table: 34973
Prefixes per ASN: 9.54
Origin-only ASes present in the Internet Routing Table: 30332
Origin ASes announcing only one prefix: 14721
Transit ASes present in the Internet Routing Table: 4641
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: 24
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 334
Unregistered ASNs in the Routing Table: 124
Number of 32-bit ASNs allocated by the RIRs: 819
Prefixes from 32-bit ASNs in the Routing Table: 1161
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 216
Number of addresses announced to Internet: 2280874400
Equivalent to 135 /8s, 243 /16s and 97 /24s
Percentage of available address space announced: 61.5
Percentage of allocated address space announced: 65.7
Percentage of available address space allocated: 93.7
Percentage of address space in use by end-sites: 85.3
Total number of prefixes smaller than registry allocations: 137157
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 81624
Total APNIC prefixes after maximum aggregation: 27931
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 78535
Unique aggregates announced from the APNIC address blocks: 34462
APNIC Region origin ASes present in the Internet Routing Table: 4204
APNIC Prefixes per ASN: 18.68
APNIC Region origin ASes announcing only one prefix: 1175
APNIC Region transit ASes present in the Internet Routing Table: 644
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 551962912
Equivalent to 32 /8s, 230 /16s and 73 /24s
Percentage of available APNIC address space announced: 78.3
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, 49/8, 58/8, 59/8,
60/8, 61/8, 101/8, 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: 136292
Total ARIN prefixes after maximum aggregation: 70287
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 108891
Unique aggregates announced from the ARIN address blocks: 43464
ARIN Region origin ASes present in the Internet Routing Table: 13949
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5337
ARIN Region transit ASes present in the Internet Routing Table: 1381
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 737739008
Equivalent to 43 /8s, 249 /16s and 1 /24s
Percentage of available ARIN address space announced: 62.8
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: 76685
Total RIPE prefixes after maximum aggregation: 44471
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 70114
Unique aggregates announced from the RIPE address blocks: 45929
RIPE Region origin ASes present in the Internet Routing Table: 14880
RIPE Prefixes per ASN: 4.71
RIPE Region origin ASes announcing only one prefix: 7660
RIPE Region transit ASes present in the Internet Routing Table: 2244
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 441326464
Equivalent to 26 /8s, 78 /16s and 27 /24s
Percentage of available RIPE address space announced: 77.4
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: 30306
Total LACNIC prefixes after maximum aggregation: 7173
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 28998
Unique aggregates announced from the LACNIC address blocks: 15164
LACNIC Region origin ASes present in the Internet Routing Table: 1368
LACNIC Prefixes per ASN: 21.20
LACNIC Region origin ASes announcing only one prefix: 429
LACNIC Region transit ASes present in the Internet Routing Table: 237
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 76206464
Equivalent to 4 /8s, 138 /16s and 209 /24s
Percentage of available LACNIC address space announced: 56.8
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: 7350
Total AfriNIC prefixes after maximum aggregation: 1867
AfriNIC Deaggregation factor: 3.94
Prefixes being announced from the AfriNIC address blocks: 5664
Unique aggregates announced from the AfriNIC address blocks: 1769
AfriNIC Region origin ASes present in the Internet Routing Table: 405
AfriNIC Prefixes per ASN: 13.99
AfriNIC Region origin ASes announcing only one prefix: 120
AfriNIC Region transit ASes present in the Internet Routing Table: 92
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 20834560
Equivalent to 1 /8s, 61 /16s and 233 /24s
Percentage of available AfriNIC address space announced: 62.1
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 1872 9437 510 Korea Telecom (KIX)
7545 1412 297 80 TPG Internet Pty Ltd
4755 1373 382 157 TATA Communications formerly
17488 1364 156 121 Hathway IP Over Cable Interne
17974 1246 303 79 PT TELEKOMUNIKASI INDONESIA
9583 1034 77 497 Sify Limited
24560 1020 303 179 Bharti Airtel Ltd., Telemedia
4808 977 1739 267 CNCGROUP IP network: China169
18101 888 100 134 Reliance Infocom Ltd Internet
9829 822 694 27 BSNL National Internet Backbo
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3770 3667 279 bellsouth.net, inc.
4323 2616 1119 393 Time Warner Telecom
1785 1797 698 130 PaeTec Communications, Inc.
19262 1777 4833 279 Verizon Global Networks
20115 1505 1526 647 Charter Communications
7018 1462 5728 935 AT&T WorldNet Services
6478 1384 280 121 AT&T Worldnet Services
2386 1307 555 923 AT&T Data Communications Serv
11492 1235 231 74 Cable One
22773 1205 2858 61 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 449 2028 390 TDC Tele Danmark
8866 422 119 24 Bulgarian Telecommunication C
702 404 1869 318 UUNET - Commercial IP service
8551 402 353 46 Bezeq International
34984 381 91 184 BILISIM TELEKOM
3320 380 7332 331 Deutsche Telekom AG
3301 379 1688 335 TeliaNet Sweden
30890 375 80 204 Evolva Telecom
12479 374 576 5 Uni2 Autonomous System
31148 357 19 78 FreeNet ISP
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1341 2581 371 UniNet S.A. de C.V.
10620 1332 247 150 TVCABLE BOGOTA
28573 1182 909 88 NET Servicos de Comunicao S.A
7303 831 441 107 Telecom Argentina Stet-France
6503 761 223 259 AVANTEL, S.A.
22047 559 310 15 VTR PUNTO NET S.A.
14420 544 39 76 CORPORACION NACIONAL DE TELEC
3816 484 210 95 Empresa Nacional de Telecomun
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 448 32 27 Telefonica del Sur S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 976 445 10 TEDATA
24863 712 146 44 LINKdotNET AS number
36992 641 278 167 Etisalat MISR
3741 266 906 224 The Internet Solution
6713 203 199 12 Itissalat Al-MAGHRIB
29571 203 19 11 Ci Telecom Autonomous system
2018 197 277 64 Tertiary Education Network
33776 196 12 14 Starcomms Nigeria Limited
24835 174 78 9 RAYA Telecom - Egypt
16637 154 440 91 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3770 3667 279 bellsouth.net, inc.
4323 2616 1119 393 Time Warner Telecom
4766 1872 9437 510 Korea Telecom (KIX)
1785 1797 698 130 PaeTec Communications, Inc.
19262 1777 4833 279 Verizon Global Networks
20115 1505 1526 647 Charter Communications
7018 1462 5728 935 AT&T WorldNet Services
7545 1412 297 80 TPG Internet Pty Ltd
6478 1384 280 121 AT&T Worldnet Services
4755 1373 382 157 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2616 2223 Time Warner Telecom
1785 1797 1667 PaeTec Communications, Inc.
19262 1777 1498 Verizon Global Networks
4766 1872 1362 Korea Telecom (KIX)
7545 1412 1332 TPG Internet Pty Ltd
6478 1384 1263 AT&T Worldnet Services
17488 1364 1243 Hathway IP Over Cable Interne
4755 1373 1216 TATA Communications formerly
10620 1332 1182 TVCABLE BOGOTA
17974 1246 1167 PT TELEKOMUNIKASI INDONESIA
Complete listing at http://thyme.rand.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 4323 Time Warner Telecom
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.rand.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<<
46.20.224.0/20 39451 Melbourne Network Solutions c
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.21.192.0/20 11610 Internet Nebraska Corporation
64.21.212.0/22 11610 Internet Nebraska Corporation
Complete listing at http://thyme.rand.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 /10:25 /11:67 /12:203
/13:420 /14:735 /15:1330 /16:11315 /17:5488 /18:9329
/19:18494 /20:23679 /21:23911 /22:31328 /23:30531 /24:173949
/25:983 /26:1102 /27:581 /28:153 /29:12 /30:2
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2334 3770 bellsouth.net, inc.
4323 1407 2616 Time Warner Telecom
6478 1346 1384 AT&T Worldnet Services
10620 1220 1332 TVCABLE BOGOTA
11492 1192 1235 Cable One
1785 1077 1797 PaeTec Communications, Inc.
18566 1069 1088 Covad Communications
7011 1056 1156 Citizens Utilities
19262 903 1777 Verizon Global Networks
8452 882 976 TEDATA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:87 2:14 4:13 8:311 12:2011 13:8
14:34 15:20 16:3 17:9 20:9 24:1383
27:389 31:1 32:61 33:12 38:695 40:97
41:2454 44:3 46:163 47:11 49:4 50:1
52:12 55:3 56:2 57:29 58:832 59:500
60:479 61:1111 62:1027 63:1964 64:3746 65:2336
66:4062 67:1850 68:1144 69:2846 70:758 71:375
72:1940 73:2 74:2321 75:293 76:324 77:869
78:698 79:445 80:1043 81:805 82:493 83:450
84:685 85:1035 86:431 87:689 88:322 89:1556
90:105 91:3107 92:427 93:1020 94:1107 95:739
96:389 97:223 98:639 99:32 101:3 108:64
109:699 110:423 111:583 112:298 113:296 114:477
115:606 116:1115 117:658 118:541 119:979 120:196
121:722 122:1589 123:917 124:1228 125:1269 128:227
129:158 130:170 131:557 132:274 133:20 134:207
135:46 136:207 137:140 138:278 139:109 140:478
141:197 142:348 143:386 144:500 145:54 146:429
147:190 148:619 149:306 150:146 151:232 152:294
153:174 154:3 155:369 156:169 157:333 158:113
159:357 160:312 161:198 162:269 163:166 164:423
165:349 166:470 167:418 168:678 169:154 170:716
171:63 172:2 173:1029 174:554 175:212 176:1
177:1 178:537 180:683 181:1 182:244 183:231
184:131 186:733 187:513 188:842 189:806 190:4133
192:5771 193:4738 194:3430 195:2828 196:1205 198:3544
199:3615 200:5421 201:1582 202:8138 203:8299 204:4033
205:2326 206:2566 207:3036 208:3899 209:3478 210:2554
211:1282 212:1780 213:1706 214:678 215:66 216:4809
217:1561 218:522 219:401 220:1177 221:429 222:342
223:53
End of report
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