Routing Table Report 00:00 GMT Wed 01 Oct, 2008
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 275759
Prefixes after maximum aggregation: 131639
Deaggregation factor: 2.09
Unique aggregates announced to Internet: 131447
Total ASes present in the Internet Routing Table: 29428
Prefixes per ASN: 9.37
Origin-only ASes present in the Internet Routing Table: 25483
Origin ASes announcing only one prefix: 12459
Transit ASes present in the Internet Routing Table: 3945
Transit-only ASes present in the Internet Routing Table: 91
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 25
Max AS path prepend of ASN (13791) 17
Prefixes from unregistered ASNs in the Routing Table: 569
Unregistered ASNs in the Routing Table: 218
Number of 32-bit ASNs allocated by the RIRs: 60
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 774
Number of addresses announced to Internet: 1926007290
Equivalent to 114 /8s, 204 /16s and 137 /24s
Percentage of available address space announced: 52.0
Percentage of allocated address space announced: 63.1
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 73.7
Total number of prefixes smaller than registry allocations: 136401
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 65138
Total APNIC prefixes after maximum aggregation: 22963
APNIC Deaggregation factor: 2.84
Prefixes being announced from the APNIC address blocks: 62119
Unique aggregates announced from the APNIC address blocks: 26319
APNIC Region origin ASes present in the Internet Routing Table: 3399
APNIC Prefixes per ASN: 18.28
APNIC Region origin ASes announcing only one prefix: 921
APNIC Region transit ASes present in the Internet Routing Table: 534
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 378171680
Equivalent to 22 /8s, 138 /16s and 113 /24s
Percentage of available APNIC address space announced: 80.5
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: 122893
Total ARIN prefixes after maximum aggregation: 66141
ARIN Deaggregation factor: 1.86
Prefixes being announced from the ARIN address blocks: 91063
Unique aggregates announced from the ARIN address blocks: 35354
ARIN Region origin ASes present in the Internet Routing Table: 12497
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 4828
ARIN Region transit ASes present in the Internet Routing Table: 1230
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 364867713
Equivalent to 21 /8s, 191 /16s and 112 /24s
Percentage of available ARIN address space announced: 75.0
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: 59589
Total RIPE prefixes after maximum aggregation: 35483
RIPE Deaggregation factor: 1.68
Prefixes being announced from the RIPE address blocks: 55212
Unique aggregates announced from the RIPE address blocks: 36025
RIPE Region origin ASes present in the Internet Routing Table: 11983
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 6305
RIPE Region transit ASes present in the Internet Routing Table: 1888
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 373547588
Equivalent to 22 /8s, 67 /16s and 226 /24s
Percentage of available RIPE address space announced: 85.6
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: 23436
Total LACNIC prefixes after maximum aggregation: 5331
LACNIC Deaggregation factor: 4.40
Prefixes being announced from the LACNIC address blocks: 21550
Unique aggregates announced from the LACNIC address blocks: 11077
LACNIC Region origin ASes present in the Internet Routing Table: 1003
LACNIC Prefixes per ASN: 21.49
LACNIC Region origin ASes announcing only one prefix: 322
LACNIC Region transit ASes present in the Internet Routing Table: 170
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 56927502
Equivalent to 3 /8s, 100 /16s and 165 /24s
Percentage of available LACNIC address space announced: 56.6
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: 4136
Total AfriNIC prefixes after maximum aggregation: 1275
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4432
Unique aggregates announced from the AfriNIC address blocks: 2058
AfriNIC Region origin ASes present in the Internet Routing Table: 259
AfriNIC Prefixes per ASN: 17.11
AfriNIC Region origin ASes announcing only one prefix: 83
AfriNIC Region transit ASes present in the Internet Routing Table: 55
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC addresses announced to Internet: 12749568
Equivalent to 0 /8s, 194 /16s and 139 /24s
Percentage of available AfriNIC address space announced: 38.0
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
4538 3347 3214 44 China Education and Research
4755 1554 577 103 Videsh Sanchar Nigam Ltd. Aut
17488 1393 94 100 Hathway IP Over Cable Interne
9583 1105 86 473 Sify Limited
4134 854 13665 344 CHINANET-BACKBONE
4766 846 6406 360 Korea Telecom (KIX)
18101 781 161 63 Reliance Infocom Ltd Internet
23577 777 33 690 Korea Telecom (ATM-MPLS)
4780 721 353 61 Digital United Inc.
9498 677 295 54 BHARTI BT INTERNET LTD.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4294 3416 339 bellsouth.net, inc.
6298 2008 319 712 Cox Communicatons
20115 1806 1422 713 Charter Communications
1785 1668 717 154 AppliedTheory Corporation
2386 1555 685 906 AT&T Data Communications Serv
4323 1524 1083 369 Time Warner Telecom
7018 1409 9882 973 AT&T WorldNet Services
1803 1319 9 1045 SPRINT
11492 1212 152 11 Cable One
6478 1194 242 187 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 434 1777 381 TDC Tele Danmark
30890 335 90 181 SC Kappa Invexim SRL
3301 330 1428 301 TeliaNet Sweden
3215 328 2756 107 France Telecom Transpac
3320 324 7063 272 Deutsche Telekom AG
5462 324 794 27 Telewest Broadband
8866 323 79 22 Bulgarian Telecommunication C
8452 312 188 11 TEDATA
35228 303 88 5 Avatar Broadband Limited
8551 287 270 37 Bezeq International
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7303 1721 241 71 Telecom Argentina Stet-France
8151 1411 2847 222 UniNet S.A. de C.V.
11830 669 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
10620 500 121 70 TVCABLE BOGOTA
16814 426 27 10 NSS, S.A.
6471 420 85 48 ENTEL CHILE S.A.
16735 420 92 10 Companhia de Telecomunicacoes
11172 411 118 71 Servicios Alestra S.A de C.V
7738 373 730 27 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 545 71 39 LINKdotNET AS number
20858 401 34 3 EgyNet
3741 260 855 220 The Internet Solution
2018 232 215 139 Tertiary Education Network
6713 137 135 11 Itissalat Al-MAGHRIB
33783 137 10 13 EEPAD TISP TELECOM & INTERNET
5536 120 8 17 Internet Egypt Network
5713 119 555 69 Telkom SA Ltd
33776 116 6 3 Starcomms Nigeria Limited
29571 108 13 8 Ci Telecom Autonomous system
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4294 3416 339 bellsouth.net, inc.
4538 3347 3214 44 China Education and Research
6298 2008 319 712 Cox Communicatons
20115 1806 1422 713 Charter Communications
7303 1721 241 71 Telecom Argentina Stet-France
1785 1668 717 154 AppliedTheory Corporation
2386 1555 685 906 AT&T Data Communications Serv
4755 1554 577 103 Videsh Sanchar Nigam Ltd. Aut
4323 1524 1083 369 Time Warner Telecom
8151 1411 2847 222 UniNet S.A. de C.V.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 3347 3303 China Education and Research
7303 1721 1650 Telecom Argentina Stet-France
1785 1668 1514 AppliedTheory Corporation
4755 1554 1451 Videsh Sanchar Nigam Ltd. Aut
6298 2008 1296 Cox Communicatons
17488 1393 1293 Hathway IP Over Cable Interne
11492 1212 1201 Cable One
8151 1411 1189 UniNet S.A. de C.V.
4323 1524 1155 Time Warner Telecom
20115 1806 1093 Charter Communications
Complete listing at http://thyme.apnic.net/rviews/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
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
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 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.246.47/32 286 KPNQwest Backbone AS
10.29.246.48/32 286 KPNQwest Backbone AS
10.29.246.49/32 286 KPNQwest Backbone AS
10.29.248.65/32 286 KPNQwest Backbone AS
10.29.248.71/32 286 KPNQwest Backbone AS
192.168.192.0/21 7497 Computer Network Information
Complete listing at http://thyme.apnic.net/rviews/data-dsua
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/rviews/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 /11:46 /12:148
/13:299 /14:536 /15:1069 /16:10203 /17:4435 /18:7631
/19:16318 /20:19418 /21:18787 /22:24301 /23:24966 /24:144227
/25:647 /26:720 /27:382 /28:773 /29:386 /30:198
/31:0 /32:224
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2844 4294 bellsouth.net, inc.
6298 1982 2008 Cox Communicatons
4538 1772 3347 China Education and Research
1803 1296 1319 SPRINT
7303 1248 1721 Telecom Argentina Stet-France
2386 1234 1555 AT&T Data Communications Serv
17488 1200 1393 Hathway IP Over Cable Interne
11492 1188 1212 Cable One
1785 1129 1668 AppliedTheory Corporation
6478 1086 1194 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:142 12:2185 13:2 15:22 16:3
17:5 18:13 20:35 24:1114 32:196 38:502
40:92 41:707 43:1 44:2 47:12 52:3
55:3 56:3 57:49 58:553 59:597 60:452
61:991 62:1321 63:1966 64:3232 65:2381 66:3537
67:1255 68:799 69:2320 70:857 71:240 72:2056
73:7 74:1205 75:160 76:274 77:797 78:842
79:250 80:949 81:864 82:628 83:382 84:585
85:1006 86:400 87:720 88:336 89:1371 90:21
91:1564 92:259 93:941 94:227 96:78 97:85
98:336 99:8 113:1 114:105 115:92 116:1019
117:378 118:236 119:505 120:97 121:621 122:858
123:449 124:856 125:1242 128:357 129:203 130:134
131:416 132:71 133:9 134:177 135:32 136:223
137:96 138:142 139:89 140:508 141:105 142:408
143:291 144:326 145:51 146:370 147:159 148:522
149:297 150:128 151:181 152:152 153:143 154:10
155:281 156:173 157:302 158:168 159:302 160:275
161:138 162:256 163:154 164:516 165:508 166:381
167:333 168:621 169:143 170:478 171:33 172:10
173:34 186:1 187:16 189:372 190:2512 192:5830
193:4249 194:3368 195:2653 196:990 198:3740 199:3320
200:5907 201:1594 202:8258 203:8083 204:3940 205:2158
206:2358 207:2693 208:3657 209:3410 210:2997 211:1252
212:1481 213:1659 214:175 215:50 216:4309 217:1244
218:409 219:525 220:1071 221:416 222:414
End of report