Routing Table Report 04:00 +10GMT Tue 12 Oct, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 333001
Prefixes after maximum aggregation: 152923
Deaggregation factor: 2.18
Unique aggregates announced to Internet: 163711
Total ASes present in the Internet Routing Table: 34931
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 30297
Origin ASes announcing only one prefix: 14708
Transit ASes present in the Internet Routing Table: 4634
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: 3918
Unregistered ASNs in the Routing Table: 1729
Number of 32-bit ASNs allocated by the RIRs: 815
Prefixes from 32-bit ASNs in the Routing Table: 1118
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 218
Number of addresses announced to Internet: 2278450656
Equivalent to 135 /8s, 206 /16s and 101 /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: 136895
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 81343
Total APNIC prefixes after maximum aggregation: 27881
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 78281
Unique aggregates announced from the APNIC address blocks: 34382
APNIC Region origin ASes present in the Internet Routing Table: 4204
APNIC Prefixes per ASN: 18.62
APNIC Region origin ASes announcing only one prefix: 1173
APNIC Region transit ASes present in the Internet Routing Table: 643
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 551313248
Equivalent to 32 /8s, 220 /16s and 95 /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: 136118
Total ARIN prefixes after maximum aggregation: 70206
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 108746
Unique aggregates announced from the ARIN address blocks: 43351
ARIN Region origin ASes present in the Internet Routing Table: 13924
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5322
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: 736978432
Equivalent to 43 /8s, 237 /16s and 102 /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: 76547
Total RIPE prefixes after maximum aggregation: 44369
RIPE Deaggregation factor: 1.73
Prefixes being announced from the RIPE address blocks: 69945
Unique aggregates announced from the RIPE address blocks: 45853
RIPE Region origin ASes present in the Internet Routing Table: 14866
RIPE Prefixes per ASN: 4.71
RIPE Region origin ASes announcing only one prefix: 7657
RIPE Region transit ASes present in the Internet Routing Table: 2240
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 440746368
Equivalent to 26 /8s, 69 /16s and 65 /24s
Percentage of available RIPE address space announced: 77.3
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, 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: 30151
Total LACNIC prefixes after maximum aggregation: 7177
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 28852
Unique aggregates announced from the LACNIC address blocks: 15140
LACNIC Region origin ASes present in the Internet Routing Table: 1364
LACNIC Prefixes per ASN: 21.15
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 237
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 76062080
Equivalent to 4 /8s, 136 /16s and 157 /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: 7469
Total AfriNIC prefixes after maximum aggregation: 1871
AfriNIC Deaggregation factor: 3.99
Prefixes being announced from the AfriNIC address blocks: 5800
Unique aggregates announced from the AfriNIC address blocks: 1762
AfriNIC Region origin ASes present in the Internet Routing Table: 406
AfriNIC Prefixes per ASN: 14.29
AfriNIC Region origin ASes announcing only one prefix: 122
AfriNIC Region transit ASes present in the Internet Routing Table: 92
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 20852992
Equivalent to 1 /8s, 62 /16s and 49 /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 1413 298 83 TPG Internet Pty Ltd
4755 1373 382 157 TATA Communications formerly
17488 1360 156 122 Hathway IP Over Cable Interne
17974 1238 302 77 PT TELEKOMUNIKASI INDONESIA
24560 1044 303 179 Bharti Airtel Ltd., Telemedia
9583 1036 78 500 Sify Limited
4808 938 1717 263 CNCGROUP IP network: China169
18101 888 100 133 Reliance Infocom Ltd Internet
9829 820 693 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 3771 3667 278 bellsouth.net, inc.
4323 2619 1119 393 Time Warner Telecom
1785 1794 698 130 PaeTec Communications, Inc.
19262 1778 4833 279 Verizon Global Networks
20115 1501 1519 649 Charter Communications
7018 1468 5729 941 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 419 119 24 Bulgarian Telecommunication C
702 404 1869 318 UUNET - Commercial IP service
8551 402 353 46 Bezeq International
3320 379 7332 330 Deutsche Telekom AG
34984 379 91 186 BILISIM TELEKOM
3301 376 1688 332 TeliaNet Sweden
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 366 UniNet S.A. de C.V.
28573 1168 909 87 NET Servicos de Comunicao S.A
7303 831 440 102 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 1098 445 10 TEDATA
24863 738 147 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 196 12 14 Starcomms Nigeria Limited
16637 170 440 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 3771 3667 278 bellsouth.net, inc.
4323 2619 1119 393 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 1468 5729 941 AT&T WorldNet Services
7545 1413 298 83 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 2619 2226 Time Warner Telecom
1785 1794 1664 PaeTec Communications, Inc.
19262 1778 1499 Verizon Global Networks
4766 1865 1355 Korea Telecom (KIX)
7545 1413 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
17974 1238 1161 PT TELEKOMUNIKASI INDONESIA
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 /16:11298 /17:5481 /18:9307
/19:18483 /20:23636 /21:23842 /22:31162 /23:30453 /24:173785
/25:1014 /26:1126 /27:576 /28:14 /29:12 /30:2
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2334 3771 bellsouth.net, inc.
4323 1409 2619 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 1005 1098 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)
----------------------------------------------
1:86 2:15 4:13 8:313 12:2005 13:8
14:33 15:20 16:3 17:9 20:8 24:1381
27:364 31:1 32:61 33:11 38:699 40:97
41:2567 44:3 46:116 47:11 49:4 52:12
55:6 56:2 57:29 58:829 59:501 60:479
61:1088 62:1030 63:1971 64:3737 65:2330 66:4062
67:1846 68:1144 69:2841 70:756 71:376 72:1938
73:2 74:2304 75:289 76:323 77:863 78:693
79:441 80:1039 81:818 82:503 83:450 84:685
85:1039 86:434 87:688 88:323 89:1557 90:106
91:3098 92:426 93:1019 94:1109 95:740 96:386
97:220 98:638 99:32 101:3 108:64 109:719
110:433 111:585 112:293 113:290 114:474 115:606
116:1111 117:659 118:541 119:979 120:204 121:717
122:1563 123:914 124:1227 125:1271 128:227 129:157
130:170 131:556 132:273 133:20 134:208 135:46
136:205 137:140 138:275 139:109 140:480 141:197
142:348 143:384 144:478 145:54 146:428 147:175
148:620 149:305 150:146 151:232 152:294 153:172
154:3 155:377 156:169 157:334 158:113 159:360
160:312 161:190 162:269 163:166 164:420 165:349
166:467 167:417 168:682 169:157 170:715 171:63
172:2 173:1013 174:560 175:207 176:1 177:1
178:532 180:677 181:1 182:236 183:228 184:127
186:732 187:503 188:841 189:826 190:4133 192:5768
193:4731 194:3425 195:2830 196:1191 198:3541 199:3600
200:5407 201:1578 202:8167 203:8310 204:4021 205:2380
206:2540 207:3041 208:3903 209:3492 210:2552 211:1283
212:1761 213:1701 214:685 215:66 216:4785 217:1580
218:491 219:401 220:1170 221:427 222:342 223:51
End of report
