[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Feb 16 05:06:43 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 16 Feb, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 246017
Prefixes after maximum aggregation: 125334
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 120557
Total ASes present in the Internet Routing Table: 27382
Prefixes per ASN: 8.98
Origin-only ASes present in the Internet Routing Table: 23879
Origin ASes announcing only one prefix: 11589
Transit ASes present in the Internet Routing Table: 3503
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 19
Max AS path prepend of ASN (29642) 15
Prefixes from unregistered ASNs in the Routing Table: 41
Unregistered ASNs in the Routing Table: 15
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 871
Number of addresses announced to Internet: 1834332256
Equivalent to 109 /8s, 85 /16s and 176 /24s
Percentage of available address space announced: 49.5
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 80.5
Percentage of address space in use by end-sites: 70.1
Total number of prefixes smaller than registry allocations: 116298
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56489
Total APNIC prefixes after maximum aggregation: 21163
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 53983
Unique aggregates announced from the APNIC address blocks: 23916
APNIC Region origin ASes present in the Internet Routing Table: 3127
APNIC Prefixes per ASN: 17.26
APNIC Region origin ASes announcing only one prefix: 824
APNIC Region transit ASes present in the Internet Routing Table: 479
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 329581984
Equivalent to 19 /8s, 165 /16s and 5 /24s
Percentage of available APNIC address space announced: 75.6
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: 115479
Total ARIN prefixes after maximum aggregation: 65634
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 84224
Unique aggregates announced from the ARIN address blocks: 33644
ARIN Region origin ASes present in the Internet Routing Table: 12147
ARIN Prefixes per ASN: 6.93
ARIN Region origin ASes announcing only one prefix: 4689
ARIN Region transit ASes present in the Internet Routing Table: 1147
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 357097600
Equivalent to 21 /8s, 72 /16s and 224 /24s
Percentage of available ARIN address space announced: 78.8
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
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, 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: 52198
Total RIPE prefixes after maximum aggregation: 32717
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 47338
Unique aggregates announced from the RIPE address blocks: 31707
RIPE Region origin ASes present in the Internet Routing Table: 10900
RIPE Prefixes per ASN: 4.34
RIPE Region origin ASes announcing only one prefix: 5703
RIPE Region transit ASes present in the Internet Routing Table: 1653
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 345822848
Equivalent to 20 /8s, 156 /16s and 214 /24s
Percentage of available RIPE address space announced: 79.3
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: 18589
Total LACNIC prefixes after maximum aggregation: 4686
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 16978
Unique aggregates announced from the LACNIC address blocks: 9322
LACNIC Region origin ASes present in the Internet Routing Table: 905
LACNIC Prefixes per ASN: 18.76
LACNIC Region origin ASes announcing only one prefix: 297
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 48126464
Equivalent to 2 /8s, 222 /16s and 90 /24s
Percentage of available LACNIC address space announced: 47.8
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: 3220
Total AfriNIC prefixes after maximum aggregation: 1116
AfriNIC Deaggregation factor: 2.89
Prefixes being announced from the AfriNIC address blocks: 3659
Unique aggregates announced from the AfriNIC address blocks: 1750
AfriNIC Region origin ASes present in the Internet Routing Table: 228
AfriNIC Prefixes per ASN: 16.05
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 42
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 10004480
Equivalent to 0 /8s, 152 /16s and 168 /24s
Percentage of available AfriNIC address space announced: 29.8
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 1576 386 78 Videsh Sanchar Nigam Ltd. Aut
9498 1159 549 60 BHARTI BT INTERNET LTD.
9583 1132 83 443 Sify Limited
17488 983 63 87 Hathway IP Over Cable Interne
4134 863 11881 311 CHINANET-BACKBONE
4766 852 5495 344 Korea Telecom (KIX)
23577 819 34 698 Korea Telecom (ATM-MPLS)
18101 713 128 65 Reliance Infocom Ltd Internet
9829 596 449 11 BSNL National Internet Backbo
4812 552 940 84 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 1429 6004 990 AT&T WorldNet Services
4323 1388 1012 367 Time Warner Telecom
2386 1363 634 832 AT&T Data Communications Serv
11492 1215 138 15 Cable One
7011 1055 307 608 Citizens Utilities
18566 1042 296 10 Covad Communications
6197 1034 754 511 BellSouth Network Solutions,
174 984 6835 815 Cogent Communications
6478 927 237 112 AT&T Worldnet Services
20115 887 808 484 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
8452 397 188 7 TEDATA
3292 396 1778 359 TDC Tele Danmark
3301 333 1459 304 TeliaNet Sweden
3320 325 7045 269 Deutsche Telekom AG
8866 288 78 24 Bulgarian Telecommunication C
8551 279 267 42 Bezeq International
680 275 2046 256 DFN-IP service G-WiN
3215 272 2607 94 France Telecom Transpac
8708 271 420 241 Romania Data Systems S.A.
6746 270 128 247 Dynamic Network Technologies,
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 1153 2421 217 UniNet S.A. de C.V.
11830 555 299 9 Instituto Costarricense de El
7303 443 215 59 Telecom Argentina Stet-France
16814 427 27 10 NSS, S.A.
11172 401 115 65 Servicios Alestra S.A de C.V
6471 397 85 40 ENTEL CHILE S.A.
10620 375 98 35 TVCABLE BOGOTA
14117 351 23 16 Telefonica del Sur S.A.
22047 323 270 14 VTR PUNTO NET S.A.
10481 301 120 10 Prima 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 406 60 29 LINKdotNET AS number
3741 282 869 224 The Internet Solution
2018 148 276 116 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
5536 120 8 16 Internet Egypt Network
33783 115 10 13 EEPAD TISP TELECOM & INTERNET
33776 99 6 7 Starcomms Nigeria Limited
20858 91 34 3 EgyNet
24835 89 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 1576 386 78 Videsh Sanchar Nigam Ltd. Aut
7018 1429 6004 990 AT&T WorldNet Services
4323 1388 1012 367 Time Warner Telecom
2386 1363 634 832 AT&T Data Communications Serv
11492 1215 138 15 Cable One
9498 1159 549 60 BHARTI BT INTERNET LTD.
8151 1153 2421 217 UniNet S.A. de C.V.
9583 1132 83 443 Sify Limited
7011 1055 307 608 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 1215 1200 Cable One
9498 1159 1099 BHARTI BT INTERNET LTD.
18566 1042 1032 Covad Communications
4323 1388 1021 Time Warner Telecom
8151 1153 936 UniNet S.A. de C.V.
17488 983 896 Hathway IP Over Cable Interne
6478 927 815 AT&T Worldnet Services
22773 861 796 Cox Communications, Inc.
19262 879 731 Verizon Global Networks
9583 1132 689 Sify Limited
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15190 UNALLOCATED 63.98.176.0/24 701 UUNET Technologies,
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
21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies,
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
64601 PRIVATE 118.232.224.0/21 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
60.253.0.0/18 27572 Connexion by Boeing
60.253.64.0/19 27572 Connexion by Boeing
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 /9:9 /10:16 /11:39 /12:134
/13:277 /14:495 /15:985 /16:9767 /17:4244 /18:7106
/19:15119 /20:17290 /21:16363 /22:20733 /23:21818 /24:128946
/25:863 /26:1106 /27:562 /28:108 /29:9 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1203 1215 Cable One
2386 1066 1363 AT&T Data Communications Serv
18566 1023 1042 Covad Communications
9583 977 1132 Sify Limited
7011 938 1055 Citizens Utilities
4755 931 1576 Videsh Sanchar Nigam Ltd. Aut
6478 926 927 AT&T Worldnet Services
9498 833 1159 BHARTI BT INTERNET LTD.
23577 810 819 Korea Telecom (ATM-MPLS)
17488 798 983 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:101 12:1978 13:2 15:21 16:3
17:6 18:13 20:35 22:1 24:1026 25:1
32:61 33:4 38:390 40:65 41:579 44:2
47:8 52:3 55:3 56:3 57:22 58:517
59:425 60:407 61:988 62:1034 63:1958 64:3358
65:2353 66:3656 67:1115 68:633 69:2097 70:474
71:107 72:1488 73:6 74:825 75:169 76:252
77:549 78:491 79:77 80:877 81:824 82:577
83:359 84:463 85:1008 86:392 87:648 88:308
89:1117 90:12 91:981 92:137 93:63 95:1
96:12 97:10 98:54 99:2 114:1 115:1
116:524 117:252 118:78 119:143 121:439 122:691
123:295 124:798 125:1122 128:310 129:198 130:132
131:398 132:69 133:9 134:188 135:37 136:218
137:117 138:156 139:63 140:494 141:106 142:377
143:270 144:327 145:53 146:337 147:132 148:478
149:178 150:124 151:148 152:95 153:131 154:11
155:288 156:199 157:250 158:163 159:214 160:229
161:99 162:202 163:192 164:563 165:423 166:292
167:308 168:576 169:132 170:431 171:28 172:3
189:152 190:1369 192:5768 193:4098 194:3244 195:2337
196:975 198:3783 199:3199 200:5445 201:1273 202:7566
203:7804 204:3971 205:2060 206:2415 207:2719 208:3152
209:3577 210:2524 211:1034 212:1268 213:1576 214:449
215:47 216:4161 217:1179 218:340 219:400 220:1097
221:411 222:301
End of report
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