[AusNOG] [SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Sep 20 04:09:02 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 20 Sep, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 269427
Prefixes after maximum aggregation: 129901
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 131012
Total ASes present in the Internet Routing Table: 29274
Prefixes per ASN: 9.20
Origin-only ASes present in the Internet Routing Table: 25443
Origin ASes announcing only one prefix: 12385
Transit ASes present in the Internet Routing Table: 3831
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 558
Unregistered ASNs in the Routing Table: 209
Number of 32-bit ASNs allocated by the RIRs: 60
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: 755
Number of addresses announced to Internet: 1921880352
Equivalent to 114 /8s, 141 /16s and 145 /24s
Percentage of available address space announced: 51.9
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.6
Total number of prefixes smaller than registry allocations: 132145
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 62233
Total APNIC prefixes after maximum aggregation: 22899
APNIC Deaggregation factor: 2.72
Prefixes being announced from the APNIC address blocks: 59152
Unique aggregates announced from the APNIC address blocks: 26429
APNIC Region origin ASes present in the Internet Routing Table: 3387
APNIC Prefixes per ASN: 17.46
APNIC Region origin ASes announcing only one prefix: 905
APNIC Region transit ASes present in the Internet Routing Table: 537
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 376338720
Equivalent to 22 /8s, 110 /16s and 121 /24s
Percentage of available APNIC address space announced: 80.1
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: 122394
Total ARIN prefixes after maximum aggregation: 64619
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 91649
Unique aggregates announced from the ARIN address blocks: 35095
ARIN Region origin ASes present in the Internet Routing Table: 12444
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4804
ARIN Region transit ASes present in the Internet Routing Table: 1200
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 364358112
Equivalent to 21 /8s, 183 /16s and 169 /24s
Percentage of available ARIN address space announced: 74.9
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: 58324
Total RIPE prefixes after maximum aggregation: 35258
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 53463
Unique aggregates announced from the RIPE address blocks: 35860
RIPE Region origin ASes present in the Internet Routing Table: 11903
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 6267
RIPE Region transit ASes present in the Internet Routing Table: 1815
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 372326720
Equivalent to 22 /8s, 49 /16s and 65 /24s
Percentage of available RIPE address space announced: 85.4
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, 47104-49151
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: 21824
Total LACNIC prefixes after maximum aggregation: 5394
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 20024
Unique aggregates announced from the LACNIC address blocks: 11116
LACNIC Region origin ASes present in the Internet Routing Table: 998
LACNIC Prefixes per ASN: 20.06
LACNIC Region origin ASes announcing only one prefix: 329
LACNIC Region transit ASes present in the Internet Routing Table: 172
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 56720896
Equivalent to 3 /8s, 97 /16s and 126 /24s
Percentage of available LACNIC address space announced: 56.3
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: 4094
Total AfriNIC prefixes after maximum aggregation: 1267
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4413
Unique aggregates announced from the AfriNIC address blocks: 2040
AfriNIC Region origin ASes present in the Internet Routing Table: 257
AfriNIC Prefixes per ASN: 17.17
AfriNIC Region origin ASes announcing only one prefix: 80
AfriNIC Region transit ASes present in the Internet Routing Table: 54
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 12729088
Equivalent to 0 /8s, 194 /16s and 59 /24s
Percentage of available AfriNIC address space announced: 37.9
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 1721 538 181 Videsh Sanchar Nigam Ltd. Aut
17488 1384 94 101 Hathway IP Over Cable Interne
9583 1107 86 472 Sify Limited
4766 875 6407 359 Korea Telecom (KIX)
4134 842 13651 345 CHINANET-BACKBONE
23577 819 35 695 Korea Telecom (ATM-MPLS)
18101 766 152 51 Reliance Infocom Ltd Internet
4780 715 353 61 Digital United Inc.
9498 677 291 54 BHARTI BT INTERNET LTD.
4808 629 1156 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 4292 3416 339 bellsouth.net, inc.
209 2927 4001 618 Qwest
6298 1980 316 736 Cox Communicatons
20115 1689 1428 713 Charter Communications
1785 1656 710 156 AppliedTheory Corporation
2386 1550 691 892 AT&T Data Communications Serv
4323 1516 1065 368 Time Warner Telecom
7018 1402 5802 973 AT&T WorldNet Services
11492 1217 152 11 Cable One
6478 1169 241 185 AT&T Worldnet Services
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 421 1777 378 TDC Tele Danmark
3301 332 1444 303 TeliaNet Sweden
30890 329 87 175 SC Kappa Invexim SRL
3215 327 2756 106 France Telecom Transpac
3320 324 7063 273 Deutsche Telekom AG
8866 319 77 21 Bulgarian Telecommunication C
8452 316 188 11 TEDATA
5462 296 794 27 Telewest Broadband
8551 287 270 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
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 1739 2877 226 UniNet S.A. de C.V.
11830 668 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
7303 490 241 70 Telecom Argentina Stet-France
10620 429 105 60 TVCABLE BOGOTA
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
11172 409 118 72 Servicios Alestra S.A de C.V
28573 351 443 28 NET Servicos de Comunicao S.A
14117 345 23 9 Telefonica del Sur 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 516 67 32 LINKdotNET AS number
20858 403 34 3 EgyNet
3741 265 855 223 The Internet Solution
2018 232 215 139 Tertiary Education Network
6713 143 135 11 Itissalat Al-MAGHRIB
33783 137 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 118 555 68 Telkom SA Ltd
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 4292 3416 339 bellsouth.net, inc.
209 2927 4001 618 Qwest
6298 1980 316 736 Cox Communicatons
8151 1739 2877 226 UniNet S.A. de C.V.
4755 1721 538 181 Videsh Sanchar Nigam Ltd. Aut
20115 1689 1428 713 Charter Communications
1785 1656 710 156 AppliedTheory Corporation
2386 1550 691 892 AT&T Data Communications Serv
4323 1516 1065 368 Time Warner Telecom
7018 1402 5802 973 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2927 2309 Qwest
4755 1721 1540 Videsh Sanchar Nigam Ltd. Aut
8151 1739 1513 UniNet S.A. de C.V.
1785 1656 1500 AppliedTheory Corporation
17488 1384 1283 Hathway IP Over Cable Interne
6298 1980 1244 Cox Communicatons
11492 1217 1206 Cable One
4323 1516 1148 Time Warner Telecom
18566 1049 1039 Covad Communications
6478 1169 984 AT&T Worldnet Services
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
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
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.75.116.0/22 10796 ServiceCo LLC - Road Runner
24.75.160.0/19 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
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
63.143.71.0/24 701 UUNET Technologies, Inc.
63.143.115.0/24 701 UUNET Technologies, Inc.
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 /10:17 /11:45 /12:147
/13:294 /14:529 /15:1072 /16:10090 /17:4390 /18:7733
/19:16281 /20:19082 /21:18612 /22:23366 /23:24446 /24:140670
/25:791 /26:968 /27:760 /28:89 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2846 4292 bellsouth.net, inc.
6298 1955 1980 Cox Communicatons
209 1690 2927 Qwest
2386 1231 1550 AT&T Data Communications Serv
11492 1193 1217 Cable One
17488 1191 1384 Hathway IP Over Cable Interne
1785 1125 1656 AppliedTheory Corporation
6478 1062 1169 AT&T Worldnet Services
4755 1057 1721 Videsh Sanchar Nigam Ltd. Aut
18566 1030 1049 Covad Communications
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:139 12:2145 13:2 15:20 16:3
17:5 18:13 20:35 24:1087 32:59 38:494
40:91 41:723 43:1 44:2 47:12 52:3
55:3 56:3 57:26 58:527 59:520 60:451
61:950 62:1224 63:2033 64:3215 65:2381 66:3478
67:1243 68:780 69:2308 70:848 71:171 72:2026
73:7 74:1183 75:166 76:265 77:780 78:831
79:256 80:948 81:852 82:584 83:372 84:577
85:1018 86:399 87:713 88:336 89:1354 90:21
91:1497 92:264 93:836 94:147 96:65 97:80
98:321 99:8 114:105 115:47 116:987 117:365
118:229 119:500 120:86 121:593 122:853 123:443
124:857 125:1194 128:357 129:201 130:134 131:411
132:70 133:9 134:178 135:32 136:223 137:96
138:142 139:92 140:503 141:102 142:408 143:300
144:325 145:51 146:370 147:156 148:516 149:209
150:128 151:181 152:147 153:136 154:10 155:281
156:175 157:299 158:170 159:300 160:275 161:137
162:255 163:150 164:515 165:499 166:367 167:331
168:631 169:143 170:444 171:33 172:10 173:33
186:1 187:10 188:1 189:608 190:2262 192:5751
193:4144 194:3259 195:2579 196:996 198:3724 199:3297
200:5566 201:1505 202:7851 203:8093 204:3946 205:2136
206:2356 207:2731 208:3600 209:3411 210:2604 211:1088
212:1453 213:1622 214:178 215:50 216:4357 217:1213
218:345 219:437 220:1064 221:415 222:314
End of report
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