[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Mar 1 05:07:12 EST 2008
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 01 Mar, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 247820
Prefixes after maximum aggregation: 125222
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 119811
Total ASes present in the Internet Routing Table: 27500
Prefixes per ASN: 9.01
Origin-only ASes present in the Internet Routing Table: 23968
Origin ASes announcing only one prefix: 11633
Transit ASes present in the Internet Routing Table: 3532
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 40
Unregistered ASNs in the Routing Table: 13
Number of 32-bit ASNs allocated by the RIRs: 45
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 880
Number of addresses announced to Internet: 1856621888
Equivalent to 110 /8s, 169 /16s and 205 /24s
Percentage of available address space announced: 50.1
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 70.7
Total number of prefixes smaller than registry allocations: 117515
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56616
Total APNIC prefixes after maximum aggregation: 20833
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 54100
Unique aggregates announced from the APNIC address blocks: 22940
APNIC Region origin ASes present in the Internet Routing Table: 3136
APNIC Prefixes per ASN: 17.25
APNIC Region origin ASes announcing only one prefix: 829
APNIC Region transit ASes present in the Internet Routing Table: 484
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 334493120
Equivalent to 19 /8s, 239 /16s and 245 /24s
Percentage of available APNIC address space announced: 76.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 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: 116201
Total ARIN prefixes after maximum aggregation: 65550
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 84871
Unique aggregates announced from the ARIN address blocks: 33344
ARIN Region origin ASes present in the Internet Routing Table: 12180
ARIN Prefixes per ASN: 6.97
ARIN Region origin ASes announcing only one prefix: 4702
ARIN Region transit ASes present in the Internet Routing Table: 1145
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356351360
Equivalent to 21 /8s, 61 /16s and 125 /24s
Percentage of available ARIN address space announced: 73.2
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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 52569
Total RIPE prefixes after maximum aggregation: 32936
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 47679
Unique aggregates announced from the RIPE address blocks: 32111
RIPE Region origin ASes present in the Internet Routing Table: 10970
RIPE Prefixes per ASN: 4.35
RIPE Region origin ASes announcing only one prefix: 5727
RIPE Region transit ASes present in the Internet Routing Table: 1673
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 346859264
Equivalent to 20 /8s, 172 /16s and 167 /24s
Percentage of available RIPE address space announced: 79.5
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
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 18826
Total LACNIC prefixes after maximum aggregation: 4763
LACNIC Deaggregation factor: 3.95
Prefixes being announced from the LACNIC address blocks: 17209
Unique aggregates announced from the LACNIC address blocks: 9367
LACNIC Region origin ASes present in the Internet Routing Table: 910
LACNIC Prefixes per ASN: 18.91
LACNIC Region origin ASes announcing only one prefix: 300
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 48766464
Equivalent to 2 /8s, 232 /16s and 30 /24s
Percentage of available LACNIC address space announced: 48.4
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 3565
Total AfriNIC prefixes after maximum aggregation: 1124
AfriNIC Deaggregation factor: 3.17
Prefixes being announced from the AfriNIC address blocks: 4000
Unique aggregates announced from the AfriNIC address blocks: 1807
AfriNIC Region origin ASes present in the Internet Routing Table: 230
AfriNIC Prefixes per ASN: 17.39
AfriNIC Region origin ASes announcing only one prefix: 75
AfriNIC Region transit ASes present in the Internet Routing Table: 44
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 10019328
Equivalent to 0 /8s, 152 /16s and 226 /24s
Percentage of available AfriNIC address space announced: 29.9
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1586 386 81 Videsh Sanchar Nigam Ltd. Aut
9583 1152 109 24 Sify Limited
9498 1145 550 63 BHARTI BT INTERNET LTD.
17488 992 64 89 Hathway IP Over Cable Interne
4134 853 12363 314 CHINANET-BACKBONE
4766 843 6005 338 Korea Telecom (KIX)
23577 812 34 696 Korea Telecom (ATM-MPLS)
18101 709 127 62 Reliance Infocom Ltd Internet
9829 595 449 11 BSNL National Internet Backbo
4812 558 949 89 China Telecom (Shanghai)
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
7018 1421 5990 985 AT&T WorldNet Services
4323 1381 1011 366 Time Warner Telecom
2386 1379 638 839 AT&T Data Communications Serv
11492 1211 144 26 Cable One
7011 1059 308 611 Citizens Utilities
18566 1042 296 10 Covad Communications
6197 995 729 475 BellSouth Network Solutions,
174 987 6835 816 Cogent Communications
6478 929 237 113 AT&T Worldnet Services
20115 890 810 486 Charter Communications
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
3292 398 1778 363 TDC Tele Danmark
8452 395 188 7 TEDATA
3301 336 1443 306 TeliaNet Sweden
3320 325 7045 269 Deutsche Telekom AG
8866 291 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 276 2046 256 DFN-IP service G-WiN
5462 275 666 26 Telewest Broadband
8708 275 421 245 Romania Data Systems S.A.
3215 271 2607 94 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 1171 2437 220 UniNet S.A. de C.V.
11830 555 299 9 Instituto Costarricense de El
7303 446 216 57 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
11172 400 115 66 Servicios Alestra S.A de C.V
6471 399 85 40 ENTEL CHILE S.A.
10620 366 96 49 TVCABLE BOGOTA
14117 352 25 15 Telefonica del Sur S.A.
10481 330 124 10 Prima S.A.
22047 323 270 14 VTR PUNTO NET 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
24863 444 60 27 LINKdotNET AS number
3741 288 869 224 The Internet Solution
2018 246 276 111 Tertiary Education Network
20858 217 34 4 EgyNet
6713 143 135 11 Itissalat Al-MAGHRIB
33783 130 9 16 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 99 6 7 Starcomms Nigeria Limited
24835 90 48 7 RAYA Telecom - Egypt
29571 80 13 7 Ci Telecom Autonomous system
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
4755 1586 386 81 Videsh Sanchar Nigam Ltd. Aut
7018 1421 5990 985 AT&T WorldNet Services
4323 1381 1011 366 Time Warner Telecom
2386 1379 638 839 AT&T Data Communications Serv
11492 1211 144 26 Cable One
8151 1171 2437 220 UniNet S.A. de C.V.
9583 1152 109 24 Sify Limited
9498 1145 550 63 BHARTI BT INTERNET LTD.
7011 1059 308 611 Citizens Utilities
18566 1042 296 10 Covad Communications
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
11492 1211 1185 Cable One
9583 1152 1128 Sify Limited
9498 1145 1082 BHARTI BT INTERNET LTD.
18566 1042 1032 Covad Communications
4323 1381 1015 Time Warner Telecom
8151 1171 951 UniNet S.A. de C.V.
17488 992 903 Hathway IP Over Cable Interne
22773 882 817 Cox Communications, Inc.
6478 929 816 AT&T Worldnet Services
6389 886 802 bellsouth.net, inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
18506 UNALLOCATED 63.107.123.0/24 701 UUNET Technologies,
16886 UNALLOCATED 63.109.3.0/24 1239 Sprint
16886 UNALLOCATED 63.167.139.0/24 1239 Sprint
33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom
65000 PRIVATE 78.108.160.0/24 39010 TerraNet sal
65000 PRIVATE 78.108.163.0/24 39010 TerraNet sal
65000 PRIVATE 78.108.164.0/24 39010 TerraNet sal
65000 PRIVATE 92.62.240.0/20 24750 Cable Internet Syste
64601 PRIVATE 118.232.77.0/24 9924 Taiwan Fixed Network
64601 PRIVATE 118.232.78.0/24 9924 Taiwan Fixed Network
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.48.10.0/23 19548 Adelphia Business Solutions
24.48.12.0/22 19548 Adelphia Business Solutions
24.48.80.0/21 19548 Adelphia Business Solutions
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
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 /8:20 /9:9 /10:16 /11:39 /12:138
/13:276 /14:496 /15:988 /16:9764 /17:4262 /18:7157
/19:15189 /20:17339 /21:16533 /22:20938 /23:22066 /24:129885
/25:892 /26:1119 /27:568 /28:108 /29:9 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1198 1211 Cable One
2386 1085 1379 AT&T Data Communications Serv
18566 1023 1042 Covad Communications
9583 988 1152 Sify Limited
7011 942 1059 Citizens Utilities
4755 937 1586 Videsh Sanchar Nigam Ltd. Aut
6478 928 929 AT&T Worldnet Services
9498 809 1145 BHARTI BT INTERNET LTD.
17488 807 992 Hathway IP Over Cable Interne
23577 803 812 Korea Telecom (ATM-MPLS)
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:101 12:1989 13:2 15:21 16:3
17:6 18:13 20:35 24:1032 25:1 31:1
32:61 33:4 38:396 40:65 41:613 44:2
47:8 52:3 55:3 56:3 57:22 58:521
59:427 60:407 61:984 62:1088 63:1958 64:3366
65:2378 66:3661 67:1146 68:632 69:2121 70:487
71:123 72:1483 73:6 74:852 75:236 76:257
77:565 78:503 79:86 80:886 81:815 82:596
83:354 84:532 85:987 86:388 87:625 88:299
89:1175 90:12 91:1052 92:138 93:95 95:2
96:16 97:14 98:86 99:3 114:1 115:1
116:530 117:272 118:77 119:160 121:402 122:712
123:294 124:812 125:1102 128:321 129:199 130:132
131:400 132:67 133:9 134:188 135:37 136:221
137:118 138:153 139:63 140:486 141:108 142:377
143:271 144:338 145:53 146:336 147:131 148:481
149:178 150:124 151:149 152:92 153:131 154:11
155:267 156:202 157:250 158:164 159:218 160:249
161:101 162:204 163:195 164:561 165:426 166:295
167:308 168:588 169:133 170:425 171:28 172:3
189:159 190:1406 192:5762 193:4104 194:3260 195:2334
196:1081 198:3790 199:3197 200:5467 201:1297 202:7566
203:7792 204:3967 205:2080 206:2402 207:2728 208:3174
209:3561 210:2539 211:1031 212:1293 213:1582 214:446
215:48 216:4161 217:1202 218:338 219:399 220:1098
221:403 222:309
End of report
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