Routing Table Report 04:00 +10GMT Thu 31 Dec, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 307726
Prefixes after maximum aggregation: 143198
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 151335
Total ASes present in the Internet Routing Table: 33015
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 28663
Origin ASes announcing only one prefix: 14006
Transit ASes present in the Internet Routing Table: 4352
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: 711
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 378
Prefixes from 32-bit ASNs in the Routing Table: 337
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2167913984
Equivalent to 129 /8s, 55 /16s and 190 /24s
Percentage of available address space announced: 58.5
Percentage of allocated address space announced: 66.3
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: 148251
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 74060
Total APNIC prefixes after maximum aggregation: 25799
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 70743
Unique aggregates announced from the APNIC address blocks: 31301
APNIC Region origin ASes present in the Internet Routing Table: 3906
APNIC Prefixes per ASN: 18.11
APNIC Region origin ASes announcing only one prefix: 1069
APNIC Region transit ASes present in the Internet Routing Table: 608
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 486569248
Equivalent to 29 /8s, 0 /16s and 117 /24s
Percentage of available APNIC address space announced: 80.6
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: 129557
Total ARIN prefixes after maximum aggregation: 67514
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103634
Unique aggregates announced from the ARIN address blocks: 39086
ARIN Region origin ASes present in the Internet Routing Table: 13438
ARIN Prefixes per ASN: 7.71
ARIN Region origin ASes announcing only one prefix: 5207
ARIN Region transit ASes present in the Internet Routing Table: 1330
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 734303008
Equivalent to 43 /8s, 196 /16s and 147 /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: 70738
Total RIPE prefixes after maximum aggregation: 41419
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64082
Unique aggregates announced from the RIPE address blocks: 42739
RIPE Region origin ASes present in the Internet Routing Table: 13931
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7249
RIPE Region transit ASes present in the Internet Routing Table: 2096
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 409367616
Equivalent to 24 /8s, 102 /16s and 116 /24s
Percentage of available RIPE address space announced: 76.3
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: 26920
Total LACNIC prefixes after maximum aggregation: 6541
LACNIC Deaggregation factor: 4.12
Prefixes being announced from the LACNIC address blocks: 25259
Unique aggregates announced from the LACNIC address blocks: 13802
LACNIC Region origin ASes present in the Internet Routing Table: 1221
LACNIC Prefixes per ASN: 20.69
LACNIC Region origin ASes announcing only one prefix: 387
LACNIC Region transit ASes present in the Internet Routing Table: 203
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 69881600
Equivalent to 4 /8s, 42 /16s and 79 /24s
Percentage of available LACNIC address space announced: 69.4
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: 5891
Total AfriNIC prefixes after maximum aggregation: 1586
AfriNIC Deaggregation factor: 3.71
Prefixes being announced from the AfriNIC address blocks: 4292
Unique aggregates announced from the AfriNIC address blocks: 1556
AfriNIC Region origin ASes present in the Internet Routing Table: 336
AfriNIC Prefixes per ASN: 12.77
AfriNIC Region origin ASes announcing only one prefix: 94
AfriNIC Region transit ASes present in the Internet Routing Table: 70
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 14596608
Equivalent to 0 /8s, 222 /16s and 186 /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 1837 7509 473 Korea Telecom (KIX)
17488 1460 144 142 Hathway IP Over Cable Interne
4755 1283 289 144 TATA Communications formerly
4134 1015 19461 399 CHINANET-BACKBONE
18101 1010 204 37 Reliance Infocom Ltd Internet
9583 999 75 505 Sify Limited
7545 923 198 97 TPG Internet Pty Ltd
17974 862 273 59 PT TELEKOMUNIKASI INDONESIA
9829 853 677 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 4183 3891 301 bellsouth.net, inc.
4323 3780 1068 400 Time Warner Telecom
1785 1799 699 134 PaeTec Communications, Inc.
7018 1590 5791 1031 AT&T WorldNet Services
20115 1535 1487 667 Charter Communications
2386 1286 616 927 AT&T Data Communications Serv
3356 1202 10929 423 Level 3 Communications, LLC
11492 1153 222 14 Cable One
22773 1123 2600 66 Cox Communications, Inc.
6478 1099 241 301 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 515 40 5 United Telecom of Georgia
3292 448 1903 393 TDC Tele Danmark
702 419 1837 337 UUNET - Commercial IP service
8551 389 354 40 Bezeq International
8866 374 110 23 Bulgarian Telecommunication C
3320 363 7068 309 Deutsche Telekom AG
3301 351 1412 306 TeliaNet Sweden
3215 349 3160 112 France Telecom Transpac
9198 321 202 13 Kazakhtelecom Data Network Ad
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 1575 2898 233 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 97 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 472 308 59 Instituto Costarricense de El
11172 445 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 1025 444 8 TEDATA
24863 715 143 53 LINKdotNET AS number
3741 268 856 228 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 4183 3891 301 bellsouth.net, inc.
4323 3780 1068 400 Time Warner Telecom
4766 1837 7509 473 Korea Telecom (KIX)
1785 1799 699 134 PaeTec Communications, Inc.
7018 1590 5791 1031 AT&T WorldNet Services
8151 1575 2898 233 UniNet S.A. de C.V.
20115 1535 1487 667 Charter Communications
17488 1460 144 142 Hathway IP Over Cable Interne
2386 1286 616 927 AT&T Data Communications Serv
4755 1283 289 144 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 3780 3380 Time Warner Telecom
1785 1799 1665 PaeTec Communications, Inc.
4766 1837 1364 Korea Telecom (KIX)
8151 1575 1342 UniNet S.A. de C.V.
17488 1460 1318 Hathway IP Over Cable Interne
4755 1283 1139 TATA Communications formerly
11492 1153 1139 Cable One
22773 1123 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1025 1017 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
/13:382 /14:653 /15:1235 /16:10831 /17:5040 /18:8611
/19:17720 /20:21604 /21:21517 /22:27878 /23:28055 /24:160953
/25:926 /26:1178 /27:584 /28:230 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2726 4183 bellsouth.net, inc.
4323 2369 3780 Time Warner Telecom
4766 1480 1837 Korea Telecom (KIX)
1785 1266 1799 PaeTec Communications, Inc.
17488 1228 1460 Hathway IP Over Cable Interne
11492 1073 1153 Cable One
18566 1040 1059 Covad Communications
7018 961 1590 AT&T WorldNet Services
8452 921 1025 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 8:243 12:2015 13:9 15:22
16:3 17:8 20:37 24:1291 32:49 38:638
40:99 41:1809 44:3 46:1 47:30 52:6
55:2 56:2 57:24 58:646 59:620 60:446
61:974 62:977 63:2013 64:3804 65:2370 66:4113
67:1835 68:1042 69:2838 70:688 71:231 72:1883
73:3 74:2073 75:225 76:363 77:870 78:602
79:404 80:965 81:802 82:461 83:441 84:515
85:1011 86:380 87:698 88:423 89:1549 90:60
91:2664 92:424 93:1143 94:1344 95:791 96:195
97:290 98:455 99:23 109:203 110:281 111:548
112:167 113:224 114:299 115:403 116:1113 117:592
118:385 119:813 120:148 121:699 122:1375 123:813
124:1026 125:1305 128:212 129:201 130:134 131:458
132:85 133:16 134:188 135:41 136:228 137:176
138:234 139:81 140:463 141:122 142:376 143:339
144:394 145:53 146:390 147:180 148:561 149:196
150:151 151:172 152:227 153:162 154:2 155:270
156:177 157:331 158:98 159:355 160:305 161:174
162:281 163:245 164:309 165:472 166:490 167:393
168:761 169:159 170:569 171:42 172:1 173:405
174:512 175:21 180:272 183:171 184:3 186:242
187:203 188:1115 189:616 190:3416 192:5715 193:4371
194:3367 195:2776 196:1194 198:3552 199:3396 200:5251
201:1447 202:8057 203:8273 204:3986 205:2172 206:2426
207:3073 208:3939 209:3427 210:2523 211:1170 212:1658
213:1632 214:250 215:56 216:4438 217:1396 218:477
219:422 220:1150 221:455 222:301
End of report