Routing Table Report 04:00 +10GMT Mon 28 Dec, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 308284
Prefixes after maximum aggregation: 143065
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 151165
Total ASes present in the Internet Routing Table: 32982
Prefixes per ASN: 9.35
Origin-only ASes present in the Internet Routing Table: 28640
Origin ASes announcing only one prefix: 13983
Transit ASes present in the Internet Routing Table: 4342
Transit-only ASes present in the Internet Routing Table: 100
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 707
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 377
Prefixes from 32-bit ASNs in the Routing Table: 333
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2166524160
Equivalent to 129 /8s, 34 /16s and 137 /24s
Percentage of available address space announced: 58.5
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.5
Total number of prefixes smaller than registry allocations: 148742
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 74770
Total APNIC prefixes after maximum aggregation: 25747
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71455
Unique aggregates announced from the APNIC address blocks: 31225
APNIC Region origin ASes present in the Internet Routing Table: 3897
APNIC Prefixes per ASN: 18.34
APNIC Region origin ASes announcing only one prefix: 1056
APNIC Region transit ASes present in the Internet Routing Table: 607
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 486040608
Equivalent to 28 /8s, 248 /16s and 100 /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
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 129426
Total ARIN prefixes after maximum aggregation: 67464
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103545
Unique aggregates announced from the ARIN address blocks: 39057
ARIN Region origin ASes present in the Internet Routing Table: 13433
ARIN Prefixes per ASN: 7.71
ARIN Region origin ASes announcing only one prefix: 5206
ARIN Region transit ASes present in the Internet Routing Table: 1333
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 734240032
Equivalent to 43 /8s, 195 /16s and 157 /24s
Percentage of available ARIN address space announced: 64.4
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, 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, 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: 70644
Total RIPE prefixes after maximum aggregation: 41386
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64003
Unique aggregates announced from the RIPE address blocks: 42698
RIPE Region origin ASes present in the Internet Routing Table: 13912
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7239
RIPE Region transit ASes present in the Internet Routing Table: 2087
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 409217344
Equivalent to 24 /8s, 100 /16s and 41 /24s
Percentage of available RIPE address space announced: 76.2
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, 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, 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: 26925
Total LACNIC prefixes after maximum aggregation: 6540
LACNIC Deaggregation factor: 4.12
Prefixes being announced from the LACNIC address blocks: 25272
Unique aggregates announced from the LACNIC address blocks: 13806
LACNIC Region origin ASes present in the Internet Routing Table: 1223
LACNIC Prefixes per ASN: 20.66
LACNIC Region origin ASes announcing only one prefix: 391
LACNIC Region transit ASes present in the Internet Routing Table: 202
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69606400
Equivalent to 4 /8s, 38 /16s and 28 /24s
Percentage of available LACNIC address space announced: 69.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 5963
Total AfriNIC prefixes after maximum aggregation: 1594
AfriNIC Deaggregation factor: 3.74
Prefixes being announced from the AfriNIC address blocks: 4365
Unique aggregates announced from the AfriNIC address blocks: 1550
AfriNIC Region origin ASes present in the Internet Routing Table: 334
AfriNIC Prefixes per ASN: 13.07
AfriNIC Region origin ASes announcing only one prefix: 91
AfriNIC Region transit ASes present in the Internet Routing Table: 72
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14588160
Equivalent to 0 /8s, 222 /16s and 153 /24s
Percentage of available AfriNIC address space announced: 43.5
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 1786 7509 465 Korea Telecom (KIX)
17488 1459 145 133 Hathway IP Over Cable Interne
4755 1285 291 146 TATA Communications formerly
4134 1014 19445 398 CHINANET-BACKBONE
18101 1004 204 37 Reliance Infocom Ltd Internet
9583 998 75 505 Sify Limited
7545 922 198 96 TPG Internet Pty Ltd
17974 856 272 62 PT TELEKOMUNIKASI INDONESIA
9829 852 677 24 BSNL National Internet Backbo
4808 834 1583 212 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 4189 3892 301 bellsouth.net, inc.
4323 3777 1068 400 Time Warner Telecom
1785 1798 699 134 PaeTec Communications, Inc.
7018 1589 5791 1032 AT&T WorldNet Services
20115 1534 1486 666 Charter Communications
2386 1288 615 929 AT&T Data Communications Serv
3356 1205 10930 424 Level 3 Communications, LLC
11492 1153 222 14 Cable One
22773 1122 2600 66 Cox Communications, Inc.
6478 1099 242 304 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
30890 517 98 207 Evolva Telecom
35805 511 40 5 United Telecom of Georgia
3292 446 1903 393 TDC Tele Danmark
702 419 1837 337 UUNET - Commercial IP service
8551 386 354 41 Bezeq International
8866 378 110 23 Bulgarian Telecommunication C
3320 361 7068 307 Deutsche Telekom AG
3301 350 1412 306 TeliaNet Sweden
3215 349 3160 112 France Telecom Transpac
12479 315 578 6 Uni2 Autonomous System
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 1576 2899 231 UniNet S.A. de C.V.
10620 1005 224 131 TVCABLE BOGOTA
28573 829 674 84 NET Servicos de Comunicao S.A
7303 664 351 96 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
11172 446 99 70 Servicios Alestra S.A de C.V
6503 444 163 183 AVANTEL, S.A.
14117 437 29 11 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia 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
8452 1039 444 8 TEDATA
24863 715 142 54 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 157 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 114 505 68 Telkom SA Ltd
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 4189 3892 301 bellsouth.net, inc.
4323 3777 1068 400 Time Warner Telecom
1785 1798 699 134 PaeTec Communications, Inc.
4766 1786 7509 465 Korea Telecom (KIX)
7018 1589 5791 1032 AT&T WorldNet Services
8151 1576 2899 231 UniNet S.A. de C.V.
20115 1534 1486 666 Charter Communications
17488 1459 145 133 Hathway IP Over Cable Interne
2386 1288 615 929 AT&T Data Communications Serv
4755 1285 291 146 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3777 3377 Time Warner Telecom
1785 1798 1664 PaeTec Communications, Inc.
8151 1576 1345 UniNet S.A. de C.V.
17488 1459 1326 Hathway IP Over Cable Interne
4766 1786 1321 Korea Telecom (KIX)
4755 1285 1139 TATA Communications formerly
11492 1153 1139 Cable One
22773 1122 1056 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1039 1031 TEDATA
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
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 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /8:21 /9:10 /10:25 /11:65 /12:181
/13:381 /14:652 /15:1234 /16:10836 /17:5044 /18:8616
/19:17721 /20:21618 /21:21624 /22:27920 /23:28122 /24:161267
/25:934 /26:1173 /27:586 /28:227 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2729 4189 bellsouth.net, inc.
4323 2368 3777 Time Warner Telecom
4766 1436 1786 Korea Telecom (KIX)
1785 1265 1798 PaeTec Communications, Inc.
17488 1224 1459 Hathway IP Over Cable Interne
11492 1073 1153 Cable One
18566 1040 1059 Covad Communications
7018 959 1589 AT&T WorldNet Services
8452 935 1039 TEDATA
10620 910 1005 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:13 8:242 12:2019 13:9 15:22
16:3 17:8 20:37 24:1291 32:49 38:637
40:99 41:1868 44:3 46:1 47:30 52:6
55:2 56:2 57:24 58:645 59:657 60:446
61:1098 62:973 63:2013 64:3802 65:2370 66:4116
67:1835 68:1041 69:2808 70:686 71:231 72:1884
73:3 74:2075 75:223 76:362 77:863 78:602
79:405 80:965 81:804 82:460 83:439 84:516
85:999 86:380 87:695 88:420 89:1553 90:63
91:2669 92:419 93:1136 94:1343 95:785 96:194
97:290 98:451 99:23 109:201 110:282 111:519
112:165 113:220 114:297 115:480 116:1091 117:600
118:385 119:804 120:148 121:832 122:1367 123:811
124:1026 125:1305 128:211 129:201 130:133 131:451
132:83 133:16 134:188 135:41 136:228 137:176
138:234 139:82 140:462 141:122 142:376 143:332
144:388 145:53 146:390 147:180 148:564 149:196
150:151 151:172 152:228 153:162 154:2 155:268
156:174 157:332 158:98 159:355 160:305 161:174
162:281 163:245 164:309 165:472 166:488 167:392
168:762 169:160 170:570 171:42 172:1 173:404
174:500 175:20 180:273 183:171 184:3 186:243
187:217 188:1104 189:611 190:3424 192:5715 193:4368
194:3367 195:2779 196:1187 198:3555 199:3387 200:5253
201:1448 202:8038 203:8299 204:3984 205:2170 206:2425
207:3070 208:3941 209:3425 210:2565 211:1162 212:1655
213:1648 214:246 215:58 216:4437 217:1377 218:478
219:455 220:1163 221:450 222:301
End of report