[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Aug 2 04:07:59 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 02 Aug, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 265184
Prefixes after maximum aggregation: 129461
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 129300
Total ASes present in the Internet Routing Table: 28821
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 25126
Origin ASes announcing only one prefix: 12150
Transit ASes present in the Internet Routing Table: 3695
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 572
Unregistered ASNs in the Routing Table: 211
Number of 32-bit ASNs allocated by the RIRs: 53
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 791
Number of addresses announced to Internet: 1888212576
Equivalent to 112 /8s, 139 /16s and 214 /24s
Percentage of available address space announced: 50.9
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.0
Total number of prefixes smaller than registry allocations: 129790
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 60837
Total APNIC prefixes after maximum aggregation: 22712
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 57817
Unique aggregates announced from the APNIC address blocks: 26028
APNIC Region origin ASes present in the Internet Routing Table: 3320
APNIC Prefixes per ASN: 17.41
APNIC Region origin ASes announcing only one prefix: 878
APNIC Region transit ASes present in the Internet Routing Table: 513
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 369846304
Equivalent to 22 /8s, 11 /16s and 104 /24s
Percentage of available APNIC address space announced: 78.7
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, 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, 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: 121736
Total ARIN prefixes after maximum aggregation: 65145
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 91199
Unique aggregates announced from the ARIN address blocks: 34975
ARIN Region origin ASes present in the Internet Routing Table: 12333
ARIN Prefixes per ASN: 7.39
ARIN Region origin ASes announcing only one prefix: 4760
ARIN Region transit ASes present in the Internet Routing Table: 1172
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 359625120
Equivalent to 21 /8s, 111 /16s and 113 /24s
Percentage of available ARIN address space announced: 73.9
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
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: 57109
Total RIPE prefixes after maximum aggregation: 34644
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 52259
Unique aggregates announced from the RIPE address blocks: 35059
RIPE Region origin ASes present in the Internet Routing Table: 11666
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 6118
RIPE Region transit ASes present in the Internet Routing Table: 1753
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 368008320
Equivalent to 21 /8s, 239 /16s and 92 /24s
Percentage of available RIPE address space announced: 84.4
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, 47104-48127
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: 20879
Total LACNIC prefixes after maximum aggregation: 5274
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 19108
Unique aggregates announced from the LACNIC address blocks: 10762
LACNIC Region origin ASes present in the Internet Routing Table: 971
LACNIC Prefixes per ASN: 19.68
LACNIC Region origin ASes announcing only one prefix: 316
LACNIC Region transit ASes present in the Internet Routing Table: 162
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 54027264
Equivalent to 3 /8s, 56 /16s and 100 /24s
Percentage of available LACNIC address space announced: 53.7
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: 4054
Total AfriNIC prefixes after maximum aggregation: 1210
AfriNIC Deaggregation factor: 3.35
Prefixes being announced from the AfriNIC address blocks: 4420
Unique aggregates announced from the AfriNIC address blocks: 1902
AfriNIC Region origin ASes present in the Internet Routing Table: 245
AfriNIC Prefixes per ASN: 18.04
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 47
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12521984
Equivalent to 0 /8s, 191 /16s and 18 /24s
Percentage of available AfriNIC address space announced: 37.3
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 1688 345 177 Videsh Sanchar Nigam Ltd. Aut
17488 1267 87 91 Hathway IP Over Cable Interne
9583 1146 87 486 Sify Limited
4766 855 6390 348 Korea Telecom (KIX)
4134 831 13619 339 CHINANET-BACKBONE
23577 830 35 702 Korea Telecom (ATM-MPLS)
4780 712 353 64 Digital United Inc.
18101 711 167 33 Reliance Infocom Ltd Internet
9498 663 291 54 BHARTI BT INTERNET LTD.
4808 623 1120 138 CNCGROUP IP network: China169
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 3205 3359 213 bellsouth.net, inc.
209 2982 3860 621 Qwest
6298 1778 270 769 Cox Communicatons
4323 1491 1062 380 Time Warner Telecom
2386 1486 673 880 AT&T Data Communications Serv
7018 1409 5829 987 AT&T WorldNet Services
1785 1390 478 102 AppliedTheory Corporation
11492 1215 151 23 Cable One
20115 1115 1080 572 Charter Communications
18566 1045 296 10 Covad 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 414 1792 372 TDC Tele Danmark
3215 358 2756 106 France Telecom Transpac
8452 347 188 11 TEDATA
3301 332 1460 303 TeliaNet Sweden
3320 322 7047 270 Deutsche Telekom AG
8866 316 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 287 270 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
6746 267 125 242 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 1447 2591 226 UniNet S.A. de C.V.
11830 612 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 474 234 62 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 417 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
10620 405 106 58 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 329 23 104 NEWCOM AMERICAS
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 479 62 20 LINKdotNET AS number
20858 398 34 3 EgyNet
3741 268 855 223 The Internet Solution
2018 212 213 131 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5713 129 540 74 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 115 6 3 Starcomms Nigeria Limited
29571 107 13 8 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
6389 3205 3359 213 bellsouth.net, inc.
209 2982 3860 621 Qwest
6298 1778 270 769 Cox Communicatons
4755 1688 345 177 Videsh Sanchar Nigam Ltd. Aut
4323 1491 1062 380 Time Warner Telecom
2386 1486 673 880 AT&T Data Communications Serv
8151 1447 2591 226 UniNet S.A. de C.V.
7018 1409 5829 987 AT&T WorldNet Services
1785 1390 478 102 AppliedTheory Corporation
17488 1267 87 91 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2982 2361 Qwest
4755 1688 1511 Videsh Sanchar Nigam Ltd. Aut
1785 1390 1288 AppliedTheory Corporation
8151 1447 1221 UniNet S.A. de C.V.
11492 1215 1192 Cable One
17488 1267 1176 Hathway IP Over Cable Interne
4323 1491 1111 Time Warner Telecom
18566 1045 1035 Covad Communications
6298 1778 1009 Cox Communicatons
22773 969 906 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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.48.246.0/24 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.23.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
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
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 /8:18 /9:9 /10:17 /11:46 /12:147
/13:294 /14:520 /15:1051 /16:10043 /17:4339 /18:7536
/19:15968 /20:18587 /21:18269 /22:22879 /23:23873 /24:138870
/25:833 /26:1022 /27:758 /28:88 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2034 3205 bellsouth.net, inc.
6298 1752 1778 Cox Communicatons
209 1734 2982 Qwest
11492 1196 1215 Cable One
2386 1179 1486 AT&T Data Communications Serv
17488 1077 1267 Hathway IP Over Cable Interne
1785 1047 1390 AppliedTheory Corporation
4755 1039 1688 Videsh Sanchar Nigam Ltd. Aut
18566 1026 1045 Covad Communications
6478 1007 1016 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:128 12:2105 13:2 14:1 15:22
16:3 17:5 18:13 20:35 24:1098 32:60
38:471 40:92 41:698 43:1 44:2 47:12
52:3 55:3 56:3 57:25 58:527 59:511
60:456 61:990 62:1201 63:2039 64:3284 65:2381
66:3510 67:1225 68:746 69:2291 70:822 71:118
72:2008 73:6 74:1071 75:153 76:305 77:757
78:765 79:212 80:979 81:847 82:602 83:376
84:567 85:957 86:407 87:687 88:338 89:1315
90:31 91:1402 92:237 93:721 94:89 96:52
97:41 98:290 99:4 112:1 113:1 114:76
115:28 116:903 117:328 118:189 119:446 120:59
121:571 122:807 123:371 124:904 125:1175 128:360
129:198 130:135 131:412 132:66 133:9 134:186
135:33 136:223 137:95 138:146 139:93 140:498
141:98 142:405 143:321 144:393 145:51 146:371
147:157 148:519 149:194 150:125 151:182 152:137
153:136 154:10 155:252 156:173 157:291 158:187
159:239 160:274 161:118 162:214 163:155 164:517
165:454 166:316 167:330 168:624 169:139 170:422
171:32 172:10 188:1 189:362 190:2243 192:5787
193:4125 194:3239 195:2547 196:1031 198:3725 199:3309
200:5566 201:1473 202:7666 203:8056 204:3979 205:2136
206:2359 207:2761 208:3481 209:3493 210:2590 211:1078
212:1425 213:1602 214:161 215:49 216:4517 217:1243
218:343 219:428 220:1059 221:455 222:312
End of report
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