Routing Table Report 00:00 GMT Fri 01 Oct, 2010
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: 335571
Prefixes after maximum aggregation: 152023
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 163419
Total ASes present in the Internet Routing Table: 34921
Prefixes per ASN: 9.61
Origin-only ASes present in the Internet Routing Table: 30182
Origin ASes announcing only one prefix: 14658
Transit ASes present in the Internet Routing Table: 4739
Transit-only ASes present in the Internet Routing Table: 111
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 4162
Unregistered ASNs in the Routing Table: 1761
Number of 32-bit ASNs allocated by the RIRs: 801
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 66
Prefixes being announced from unallocated address space: 220
Number of addresses announced to Internet: 2276528448
Equivalent to 135 /8s, 177 /16s and 17 /24s
Percentage of available address space announced: 61.4
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 93.7
Percentage of address space in use by end-sites: 85.0
Total number of prefixes smaller than registry allocations: 158051
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 79907
Total APNIC prefixes after maximum aggregation: 27057
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 76918
Unique aggregates announced from the APNIC address blocks: 34193
APNIC Region origin ASes present in the Internet Routing Table: 4182
APNIC Prefixes per ASN: 18.39
APNIC Region origin ASes announcing only one prefix: 1177
APNIC Region transit ASes present in the Internet Routing Table: 650
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 551391938
Equivalent to 32 /8s, 221 /16s and 146 /24s
Percentage of available APNIC address space announced: 78.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 49/8, 58/8, 59/8,
60/8, 61/8, 101/8, 110/8, 111/8, 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, 133/8,
175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8,
211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 138274
Total ARIN prefixes after maximum aggregation: 71097
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 109640
Unique aggregates announced from the ARIN address blocks: 43400
ARIN Region origin ASes present in the Internet Routing Table: 13951
ARIN Prefixes per ASN: 7.86
ARIN Region origin ASes announcing only one prefix: 5335
ARIN Region transit ASes present in the Internet Routing Table: 1427
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 735800097
Equivalent to 43 /8s, 219 /16s and 107 /24s
Percentage of available ARIN address space announced: 62.7
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
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8,
55/8, 56/8, 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, 107/8,
108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8,
206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 79332
Total RIPE prefixes after maximum aggregation: 44517
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 72065
Unique aggregates announced from the RIPE address blocks: 45669
RIPE Region origin ASes present in the Internet Routing Table: 14853
RIPE Prefixes per ASN: 4.85
RIPE Region origin ASes announcing only one prefix: 7602
RIPE Region transit ASes present in the Internet Routing Table: 2278
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 439967807
Equivalent to 26 /8s, 57 /16s and 96 /24s
Percentage of available RIPE address space announced: 77.1
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, 47104-52223, 196608-197631
RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 51/8, 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, 109/8, 176/8, 178/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 30432
Total LACNIC prefixes after maximum aggregation: 7337
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 28913
Unique aggregates announced from the LACNIC address blocks: 15090
LACNIC Region origin ASes present in the Internet Routing Table: 1355
LACNIC Prefixes per ASN: 21.34
LACNIC Region origin ASes announcing only one prefix: 421
LACNIC Region transit ASes present in the Internet Routing Table: 237
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 75698056
Equivalent to 4 /8s, 131 /16s and 15 /24s
Percentage of available LACNIC address space announced: 56.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7384
Total AfriNIC prefixes after maximum aggregation: 1893
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 5694
Unique aggregates announced from the AfriNIC address blocks: 1682
AfriNIC Region origin ASes present in the Internet Routing Table: 404
AfriNIC Prefixes per ASN: 14.09
AfriNIC Region origin ASes announcing only one prefix: 123
AfriNIC Region transit ASes present in the Internet Routing Table: 95
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 20924928
Equivalent to 1 /8s, 63 /16s and 74 /24s
Percentage of available AfriNIC address space announced: 62.4
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1704 9434 494 Korea Telecom (KIX)
7545 1410 298 83 TPG Internet Pty Ltd
4755 1350 368 162 Videsh Sanchar Nigam Ltd. Aut
17488 1347 155 124 Hathway IP Over Cable Interne
17974 1202 299 78 PT TELEKOMUNIKASI INDONESIA
24560 1057 308 183 Bharti Airtel Ltd.
9583 1021 77 498 Sify Limited
18101 883 100 132 Reliance Infocom Ltd Internet
9829 820 692 33 BSNL National Internet Backbo
4808 812 1540 219 CNCGROUP IP network: China169
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 3775 3667 278 bellsouth.net, inc.
4323 2712 1091 389 Time Warner Telecom
19262 1821 4676 286 Verizon Global Networks
1785 1794 698 132 AppliedTheory Corporation
20115 1536 1534 648 Charter Communications
7018 1478 5736 947 AT&T WorldNet Services
6478 1354 275 136 AT&T Worldnet Services
2386 1295 555 914 AT&T Data Communications Serv
11492 1218 229 78 Cable One
22773 1195 2859 62 Cox Communications, Inc.
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
286 866 681 145 KPNQwest Backbone AS
9116 534 328 33 Goldenlines main autonomous s
3292 488 2026 390 TDC Tele Danmark
8866 412 117 21 Bulgarian Telecommunication C
702 405 1869 319 UUNET - Commercial IP service
8551 404 355 38 Bezeq International
3301 377 1688 334 TeliaNet Sweden
34984 377 90 185 Tellcom Iletisim Hizmetleri
30890 374 79 203 Evolva Telecom
3320 370 7328 321 Deutsche Telekom AG
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
8151 1335 2559 365 Uninet S.A. de C.V.
10620 1324 248 149 TVCABLE BOGOTA
28573 1176 893 92 Types of queries are: POCs, o
7303 809 424 102 Telecom Argentina Stet-France
6503 754 223 258 AVANTEL, S.A.
14420 598 39 81 Types of queries are: POCs, o
22047 561 310 15 Types of queries are: POCs, o
3816 482 210 93 COLOMBIA TELECOMUNICACIONES S
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 445 99 76 Alestra
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
8452 1008 445 10 TEDATA
24863 736 147 39 LINKdotNET AS number
36992 659 279 179 Etisalat MISR
3741 266 906 224 The Internet Solution
6713 203 199 12 Itissalat Al-MAGHRIB
29571 203 19 11 Ci Telecom Autonomous system
2018 197 277 64 TENET-1
33776 196 12 14 Starcomms Nigeria Limited
24835 163 78 9 RAYA Telecom - Egypt
16637 156 425 93 Johnnic e-Ventures
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 3775 3667 278 bellsouth.net, inc.
4323 2712 1091 389 Time Warner Telecom
19262 1821 4676 286 Verizon Global Networks
1785 1794 698 132 AppliedTheory Corporation
4766 1704 9434 494 Korea Telecom (KIX)
20115 1536 1534 648 Charter Communications
7018 1478 5736 947 AT&T WorldNet Services
7545 1410 298 83 TPG Internet Pty Ltd
6478 1354 275 136 AT&T Worldnet Services
4755 1350 368 162 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2712 2323 Time Warner Telecom
1785 1794 1662 AppliedTheory Corporation
19262 1821 1535 Verizon Global Networks
7545 1410 1327 TPG Internet Pty Ltd
17488 1347 1223 Hathway IP Over Cable Interne
6478 1354 1218 AT&T Worldnet Services
4766 1704 1210 Korea Telecom (KIX)
4755 1350 1188 Videsh Sanchar Nigam Ltd. Aut
10620 1324 1175 TVCABLE BOGOTA
11492 1218 1140 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
11946 UNALLOCATED 8.12.155.0/24 40913 Quality Technology S
15040 UNALLOCATED 8.12.156.0/24 3356 Level 3 Communicatio
33084 UNALLOCATED 8.15.195.0/24 3356 Level 3 Communicatio
53562 UNALLOCATED 8.19.94.0/24 3356 Level 3 Communicatio
53407 UNALLOCATED 8.22.15.0/24 174 Cogent Communication
22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks
21893 UNALLOCATED 8.26.33.0/24 3356 Level 3 Communicatio
53591 UNALLOCATED 8.26.82.0/24 22241 Integrated Communica
26169 UNALLOCATED 8.225.177.0/24 20225 TelJet
32249 UNALLOCATED 8.225.178.0/24 3356 Level 3 Communicatio
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.245.1/32 286 KPNQwest Backbone AS
10.29.245.15/32 286 KPNQwest Backbone AS
10.29.245.25/32 286 KPNQwest Backbone AS
10.29.245.26/32 286 KPNQwest Backbone AS
10.29.245.27/32 286 KPNQwest Backbone AS
10.29.245.28/32 286 KPNQwest Backbone AS
10.29.245.29/32 286 KPNQwest Backbone AS
10.29.245.30/32 286 KPNQwest Backbone AS
10.29.245.50/32 286 KPNQwest Backbone AS
10.29.245.51/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 Amsco Telecommunications Nige
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
41.223.199.0/24 36990 Alkan Telecom Ltd
46.20.128.0/20 49909 Direct One S.A.
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 /8:20 /9:10 /10:25 /11:68 /12:203
/13:422 /14:735 /15:1327 /16:11315 /17:5582 /18:9476
/19:18850 /20:24038 /21:24061 /22:31363 /23:30779 /24:174550
/25:419 /26:458 /27:192 /28:334 /29:176 /30:531
/31:14 /32:623
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2403 3775 bellsouth.net, inc.
4323 1370 2712 Time Warner Telecom
4766 1326 1704 Korea Telecom (KIX)
1785 1259 1794 AppliedTheory Corporation
10620 1212 1324 TVCABLE BOGOTA
11492 1105 1218 Cable One
17488 1087 1347 Hathway IP Over Cable Interne
18566 1068 1087 Covad Communications
24560 955 1057 Bharti Airtel Ltd.
8452 922 1008 TEDATA
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:74 2:14 4:17 8:313 12:2017 13:8
14:9 15:20 16:3 17:9 20:8 24:1393
27:348 31:1 32:144 33:12 38:699 40:97
41:2477 44:3 46:139 47:10 49:4 52:12
55:6 56:2 57:40 58:859 59:510 60:478
61:1087 62:1069 63:1976 64:3741 65:2296 66:4049
67:1873 68:1147 69:2844 70:740 71:377 72:1990
73:2 74:2314 75:286 76:322 77:880 78:681
79:424 80:1027 81:812 82:528 83:465 84:692
85:1062 86:436 87:710 88:334 89:1578 90:103
91:3111 92:437 93:1015 94:1107 95:729 96:398
97:223 98:640 99:32 101:3 108:64 109:728
110:418 111:589 112:295 113:286 114:475 115:597
116:1106 117:660 118:537 119:897 120:178 121:702
122:1545 123:915 124:1229 125:1272 128:229 129:159
130:172 131:558 132:257 133:20 134:209 135:46
136:223 137:140 138:276 139:125 140:480 141:197
142:349 143:358 144:478 145:55 146:429 147:171
148:628 149:304 150:146 151:233 152:288 153:171
154:3 155:367 156:170 157:336 158:112 159:354
160:315 161:191 162:267 163:165 164:417 165:367
166:468 167:409 168:678 169:157 170:719 171:62
172:2 173:1070 174:556 175:177 176:1 177:1
178:517 180:671 181:1 182:232 183:258 184:156
186:687 187:487 188:829 189:808 190:4179 192:5819
193:4764 194:3491 195:2982 196:1201 198:3572 199:3597
200:5410 201:1588 202:8254 203:8298 204:4020 205:2401
206:2545 207:3043 208:3912 209:3490 210:2597 211:1315
212:1837 213:1779 214:671 215:66 216:4772 217:1592
218:494 219:401 220:1173 221:430 222:341 223:46
End of report