Routing Table Report 04:00 +10GMT Mon 11 Oct, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 332986
Prefixes after maximum aggregation: 152882
Deaggregation factor: 2.18
Unique aggregates announced to Internet: 163551
Total ASes present in the Internet Routing Table: 34923
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 30294
Origin ASes announcing only one prefix: 14697
Transit ASes present in the Internet Routing Table: 4629
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 3876
Unregistered ASNs in the Routing Table: 1711
Number of 32-bit ASNs allocated by the RIRs: 815
Prefixes from 32-bit ASNs in the Routing Table: 1145
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 219
Number of addresses announced to Internet: 2278323168
Equivalent to 135 /8s, 204 /16s and 115 /24s
Percentage of available address space announced: 61.5
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: 85.2
Total number of prefixes smaller than registry allocations: 136974
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 81256
Total APNIC prefixes after maximum aggregation: 27870
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 78201
Unique aggregates announced from the APNIC address blocks: 34313
APNIC Region origin ASes present in the Internet Routing Table: 4200
APNIC Prefixes per ASN: 18.62
APNIC Region origin ASes announcing only one prefix: 1168
APNIC Region transit ASes present in the Internet Routing Table: 645
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 551166560
Equivalent to 32 /8s, 218 /16s and 34 /24s
Percentage of available APNIC address space announced: 78.2
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: 136116
Total ARIN prefixes after maximum aggregation: 70198
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 108726
Unique aggregates announced from the ARIN address blocks: 43357
ARIN Region origin ASes present in the Internet Routing Table: 13927
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5321
ARIN Region transit ASes present in the Internet Routing Table: 1380
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 737008896
Equivalent to 43 /8s, 237 /16s and 221 /24s
Percentage of available ARIN address space announced: 62.8
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: 76587
Total RIPE prefixes after maximum aggregation: 44357
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 70025
Unique aggregates announced from the RIPE address blocks: 45813
RIPE Region origin ASes present in the Internet Routing Table: 14863
RIPE Prefixes per ASN: 4.71
RIPE Region origin ASes announcing only one prefix: 7658
RIPE Region transit ASes present in the Internet Routing Table: 2234
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 440568448
Equivalent to 26 /8s, 66 /16s and 138 /24s
Percentage of available RIPE address space announced: 77.2
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, 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: 30160
Total LACNIC prefixes after maximum aggregation: 7151
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 28859
Unique aggregates announced from the LACNIC address blocks: 15095
LACNIC Region origin ASes present in the Internet Routing Table: 1361
LACNIC Prefixes per ASN: 21.20
LACNIC Region origin ASes announcing only one prefix: 430
LACNIC Region transit ASes present in the Internet Routing Table: 235
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 76060032
Equivalent to 4 /8s, 136 /16s and 149 /24s
Percentage of available LACNIC address space announced: 56.7
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: 7467
Total AfriNIC prefixes after maximum aggregation: 1885
AfriNIC Deaggregation factor: 3.96
Prefixes being announced from the AfriNIC address blocks: 5797
Unique aggregates announced from the AfriNIC address blocks: 1754
AfriNIC Region origin ASes present in the Internet Routing Table: 405
AfriNIC Prefixes per ASN: 14.31
AfriNIC Region origin ASes announcing only one prefix: 120
AfriNIC Region transit ASes present in the Internet Routing Table: 93
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 20844800
Equivalent to 1 /8s, 62 /16s and 17 /24s
Percentage of available AfriNIC address space announced: 62.1
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 1865 9437 510 Korea Telecom (KIX)
7545 1411 297 81 TPG Internet Pty Ltd
4755 1373 382 157 TATA Communications formerly
17488 1360 156 122 Hathway IP Over Cable Interne
17974 1227 301 79 PT TELEKOMUNIKASI INDONESIA
9583 1033 77 497 Sify Limited
24560 1025 302 192 Bharti Airtel Ltd., Telemedia
4808 936 1714 261 CNCGROUP IP network: China169
18101 886 100 132 Reliance Infocom Ltd Internet
9829 819 692 33 BSNL National Internet Backbo
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 3774 3667 278 bellsouth.net, inc.
4323 2613 1108 390 Time Warner Telecom
1785 1794 698 130 PaeTec Communications, Inc.
19262 1778 4833 279 Verizon Global Networks
20115 1501 1519 649 Charter Communications
7018 1466 5729 940 AT&T WorldNet Services
6478 1368 277 109 AT&T Worldnet Services
2386 1307 555 923 AT&T Data Communications Serv
11492 1224 230 71 Cable One
22773 1204 2858 61 Cox Communications, Inc.
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
3292 450 2028 391 TDC Tele Danmark
8866 417 119 23 Bulgarian Telecommunication C
702 404 1869 318 UUNET - Commercial IP service
8551 402 353 46 Bezeq International
34984 379 91 186 BILISIM TELEKOM
3301 378 1688 334 TeliaNet Sweden
3320 377 7329 328 Deutsche Telekom AG
30890 374 79 203 Evolva Telecom
12479 372 576 5 Uni2 Autonomous System
31148 353 19 77 FreeNet ISP
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
10620 1333 247 150 TVCABLE BOGOTA
8151 1228 2571 365 UniNet S.A. de C.V.
28573 1175 909 87 NET Servicos de Comunicao S.A
7303 832 440 102 Telecom Argentina Stet-France
6503 756 223 258 AVANTEL, S.A.
22047 558 310 15 VTR PUNTO NET S.A.
14420 540 39 78 CORPORACION NACIONAL DE TELEC
3816 484 210 95 Empresa Nacional de Telecomun
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 448 32 27 Telefonica del Sur 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 1096 445 10 TEDATA
24863 739 147 40 LINKdotNET AS number
36992 651 279 174 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 Tertiary Education Network
33776 194 11 17 Starcomms Nigeria Limited
16637 169 440 91 MTN Network Solutions
24835 165 78 9 RAYA Telecom - Egypt
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 3774 3667 278 bellsouth.net, inc.
4323 2613 1108 390 Time Warner Telecom
4766 1865 9437 510 Korea Telecom (KIX)
1785 1794 698 130 PaeTec Communications, Inc.
19262 1778 4833 279 Verizon Global Networks
20115 1501 1519 649 Charter Communications
7018 1466 5729 940 AT&T WorldNet Services
7545 1411 297 81 TPG Internet Pty Ltd
4755 1373 382 157 TATA Communications formerly
6478 1368 277 109 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2613 2223 Time Warner Telecom
1785 1794 1664 PaeTec Communications, Inc.
19262 1778 1499 Verizon Global Networks
4766 1865 1355 Korea Telecom (KIX)
7545 1411 1330 TPG Internet Pty Ltd
6478 1368 1259 AT&T Worldnet Services
17488 1360 1238 Hathway IP Over Cable Interne
4755 1373 1216 TATA Communications formerly
10620 1333 1183 TVCABLE BOGOTA
11492 1224 1153 Cable One
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
40331 UNALLOCATED 8.11.167.0/24 7018 AT&T WorldNet Servic
11946 UNALLOCATED 8.12.155.0/24 40913 Quality Technology S
15040 UNALLOCATED 8.12.156.0/24 3356 Level 3 Communicatio
53317 UNALLOCATED 8.14.38.0/24 3356 Level 3 Communicatio
33084 UNALLOCATED 8.15.195.0/24 3356 Level 3 Communicatio
18826 UNALLOCATED 8.17.208.0/20 2828 XO Communications
16734 UNALLOCATED 8.18.204.0/24 26914 Global Netoptex, Inc
53562 UNALLOCATED 8.19.94.0/24 3356 Level 3 Communicatio
22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks
46856 UNALLOCATED 8.22.184.0/22 3356 Level 3 Communicatio
Complete listing at http://thyme.apnic.net/current/data-badAS
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 >>UNKNOWN<<
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
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 /8:19 /9:10 /10:25 /11:67 /12:203
/13:419 /14:733 /15:1327 /16:11302 /17:5483 /18:9304
/19:18492 /20:23639 /21:23822 /22:31162 /23:30462 /24:173744
/25:1013 /26:1127 /27:576 /28:36 /29:12 /30:2
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2337 3774 bellsouth.net, inc.
4323 1409 2613 Time Warner Telecom
6478 1332 1368 AT&T Worldnet Services
10620 1221 1333 TVCABLE BOGOTA
11492 1181 1224 Cable One
1785 1075 1794 PaeTec Communications, Inc.
18566 1068 1087 Covad Communications
7011 1056 1156 Citizens Utilities
8452 1003 1096 TEDATA
19262 904 1778 Verizon Global Networks
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:77 2:17 4:13 8:313 12:2004 13:8
14:33 15:20 16:3 17:9 20:8 24:1381
27:363 31:1 32:61 33:11 38:697 40:97
41:2561 44:3 46:148 47:11 49:4 52:12
55:6 56:2 57:29 58:831 59:501 60:479
61:1087 62:1029 63:1970 64:3737 65:2328 66:4064
67:1846 68:1146 69:2842 70:756 71:376 72:1938
73:2 74:2299 75:289 76:323 77:874 78:693
79:436 80:1038 81:818 82:503 83:459 84:684
85:1038 86:434 87:688 88:326 89:1563 90:106
91:3100 92:437 93:1034 94:1108 95:740 96:385
97:220 98:637 99:32 101:3 108:64 109:710
110:433 111:585 112:293 113:288 114:475 115:606
116:1111 117:659 118:535 119:974 120:203 121:717
122:1559 123:916 124:1228 125:1269 128:227 129:157
130:170 131:556 132:273 133:20 134:208 135:46
136:208 137:140 138:275 139:109 140:480 141:196
142:348 143:385 144:479 145:54 146:428 147:175
148:619 149:305 150:146 151:232 152:295 153:172
154:3 155:368 156:169 157:330 158:113 159:360
160:312 161:184 162:269 163:166 164:419 165:349
166:467 167:417 168:681 169:157 170:715 171:63
172:2 173:1014 174:560 175:176 176:1 177:1
178:537 180:676 181:1 182:235 183:224 184:127
186:732 187:502 188:838 189:824 190:4132 192:5762
193:4736 194:3431 195:2829 196:1190 198:3543 199:3594
200:5394 201:1579 202:8158 203:8311 204:4019 205:2380
206:2542 207:3042 208:3885 209:3493 210:2552 211:1283
212:1757 213:1718 214:686 215:66 216:4788 217:1580
218:492 219:402 220:1169 221:427 222:342 223:51
End of report