Routing Table Report 04:00 +10GMT Wed 30 Dec, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 308269
Prefixes after maximum aggregation: 143172
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 151384
Total ASes present in the Internet Routing Table: 33008
Prefixes per ASN: 9.34
Origin-only ASes present in the Internet Routing Table: 28661
Origin ASes announcing only one prefix: 14001
Transit ASes present in the Internet Routing Table: 4347
Transit-only ASes present in the Internet Routing Table: 98
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: 710
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 378
Prefixes from 32-bit ASNs in the Routing Table: 335
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 160
Number of addresses announced to Internet: 2167451392
Equivalent to 129 /8s, 48 /16s and 175 /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: 148753
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 74698
Total APNIC prefixes after maximum aggregation: 25783
APNIC Deaggregation factor: 2.90
Prefixes being announced from the APNIC address blocks: 71385
Unique aggregates announced from the APNIC address blocks: 31342
APNIC Region origin ASes present in the Internet Routing Table: 3903
APNIC Prefixes per ASN: 18.29
APNIC Region origin ASes announcing only one prefix: 1065
APNIC Region transit ASes present in the Internet Routing Table: 605
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 486259744
Equivalent to 28 /8s, 251 /16s and 188 /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: 129491
Total ARIN prefixes after maximum aggregation: 67498
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 103572
Unique aggregates announced from the ARIN address blocks: 39079
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: 5202
ARIN Region transit ASes present in the Internet Routing Table: 1332
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 734150176
Equivalent to 43 /8s, 194 /16s and 62 /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: 70698
Total RIPE prefixes after maximum aggregation: 41419
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64049
Unique aggregates announced from the RIPE address blocks: 42751
RIPE Region origin ASes present in the Internet Routing Table: 13932
RIPE Prefixes per ASN: 4.60
RIPE Region origin ASes announcing only one prefix: 7252
RIPE Region transit ASes present in the Internet Routing Table: 2094
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 409341248
Equivalent to 24 /8s, 102 /16s and 13 /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: 26865
Total LACNIC prefixes after maximum aggregation: 6541
LACNIC Deaggregation factor: 4.11
Prefixes being announced from the LACNIC address blocks: 25205
Unique aggregates announced from the LACNIC address blocks: 13805
LACNIC Region origin ASes present in the Internet Routing Table: 1222
LACNIC Prefixes per ASN: 20.63
LACNIC Region origin ASes announcing only one prefix: 389
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: 69871360
Equivalent to 4 /8s, 42 /16s and 39 /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: 5958
Total AfriNIC prefixes after maximum aggregation: 1594
AfriNIC Deaggregation factor: 3.74
Prefixes being announced from the AfriNIC address blocks: 4360
Unique aggregates announced from the AfriNIC address blocks: 1558
AfriNIC Region origin ASes present in the Internet Routing Table: 337
AfriNIC Prefixes per ASN: 12.94
AfriNIC Region origin ASes announcing only one prefix: 93
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: 14599680
Equivalent to 0 /8s, 222 /16s and 198 /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 1833 7510 468 Korea Telecom (KIX)
17488 1460 144 142 Hathway IP Over Cable Interne
4755 1285 289 145 TATA Communications formerly
4134 1013 19445 397 CHINANET-BACKBONE
9583 999 75 505 Sify Limited
18101 997 204 36 Reliance Infocom Ltd Internet
7545 923 198 97 TPG Internet Pty Ltd
17974 860 273 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 4189 3892 301 bellsouth.net, inc.
4323 3779 1068 400 Time Warner Telecom
1785 1799 699 134 PaeTec Communications, Inc.
7018 1590 5791 1032 AT&T WorldNet Services
20115 1535 1487 667 Charter Communications
2386 1289 616 930 AT&T Data Communications Serv
3356 1204 10929 423 Level 3 Communications, LLC
11492 1153 222 14 Cable One
22773 1122 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 514 40 5 United Telecom of Georgia
3292 448 1903 393 TDC Tele Danmark
702 419 1837 337 UUNET - Commercial IP service
8551 390 354 41 Bezeq International
8866 378 110 23 Bulgarian Telecommunication C
3320 362 7068 308 Deutsche Telekom AG
3301 351 1412 306 TeliaNet Sweden
3215 349 3160 112 France Telecom Transpac
9198 320 202 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 1573 2914 234 UniNet S.A. de C.V.
10620 1005 224 131 TVCABLE BOGOTA
28573 828 674 84 NET Servicos de Comunicao S.A
7303 664 351 98 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 1040 444 8 TEDATA
24863 714 143 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 4189 3892 301 bellsouth.net, inc.
4323 3779 1068 400 Time Warner Telecom
4766 1833 7510 468 Korea Telecom (KIX)
1785 1799 699 134 PaeTec Communications, Inc.
7018 1590 5791 1032 AT&T WorldNet Services
8151 1573 2914 234 UniNet S.A. de C.V.
20115 1535 1487 667 Charter Communications
17488 1460 144 142 Hathway IP Over Cable Interne
2386 1289 616 930 AT&T Data Communications Serv
4755 1285 289 145 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 3779 3379 Time Warner Telecom
1785 1799 1665 PaeTec Communications, Inc.
4766 1833 1365 Korea Telecom (KIX)
8151 1573 1339 UniNet S.A. de C.V.
17488 1460 1318 Hathway IP Over Cable Interne
4755 1285 1140 TATA Communications formerly
11492 1153 1139 Cable One
22773 1122 1056 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1040 1032 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 /15:1234 /16:10831 /17:5031 /18:8613
/19:17720 /20:21613 /21:21574 /22:27893 /23:28126 /24:161368
/25:928 /26:1170 /27:577 /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 3779 Time Warner Telecom
4766 1475 1833 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 960 1590 AT&T WorldNet Services
8452 936 1040 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 12:2018 13:9 15:22
16:3 17:8 20:37 24:1292 32:49 38:638
40:99 41:1876 44:3 46:1 47:30 52:6
55:2 56:2 57:24 58:643 59:663 60:446
61:1098 62:975 63:2014 64:3802 65:2368 66:4115
67:1833 68:1040 69:2815 70:686 71:231 72:1885
73:3 74:2069 75:224 76:363 77:868 78:602
79:405 80:964 81:804 82:461 83:442 84:516
85:1008 86:380 87:695 88:423 89:1549 90:59
91:2671 92:424 93:1142 94:1341 95:790 96:195
97:290 98:452 99:23 109:203 110:281 111:549
112:166 113:222 114:299 115:482 116:1114 117:591
118:381 119:811 120:148 121:834 122:1373 123:812
124:1022 125:1305 128:212 129:201 130:134 131:452
132:85 133:16 134:188 135:41 136:224 137:176
138:234 139:82 140:463 141:122 142:376 143:340
144:392 145:53 146:390 147:180 148:560 149:196
150:150 151:172 152:227 153:162 154:2 155:270
156:177 157:331 158:98 159:355 160:305 161:174
162:281 163:245 164:309 165:472 166:490 167:393
168:762 169:158 170:570 171:42 172:1 173:405
174:504 175:20 180:270 183:172 184:3 186:242
187:203 188:1113 189:626 190:3416 192:5713 193:4374
194:3370 195:2779 196:1194 198:3553 199:3393 200:5247
201:1450 202:8035 203:8287 204:3984 205:2170 206:2424
207:3071 208:3936 209:3423 210:2536 211:1170 212:1657
213:1619 214:249 215:56 216:4439 217:1394 218:478
219:455 220:1177 221:451 222:301
End of report