Routing Table Report 04:00 +10GMT Wed 13 Oct, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 333273
Prefixes after maximum aggregation: 152991
Deaggregation factor: 2.18
Unique aggregates announced to Internet: 163711
Total ASes present in the Internet Routing Table: 34946
Prefixes per ASN: 9.54
Origin-only ASes present in the Internet Routing Table: 30310
Origin ASes announcing only one prefix: 14709
Transit ASes present in the Internet Routing Table: 4636
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 24
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 336
Unregistered ASNs in the Routing Table: 122
Number of 32-bit ASNs allocated by the RIRs: 815
Prefixes from 32-bit ASNs in the Routing Table: 1137
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 218
Number of addresses announced to Internet: 2279164384
Equivalent to 135 /8s, 217 /16s and 73 /24s
Percentage of available address space announced: 61.5
Percentage of allocated address space announced: 65.7
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: 136968
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 81543
Total APNIC prefixes after maximum aggregation: 27892
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 78476
Unique aggregates announced from the APNIC address blocks: 34421
APNIC Region origin ASes present in the Internet Routing Table: 4206
APNIC Prefixes per ASN: 18.66
APNIC Region origin ASes announcing only one prefix: 1173
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: 551425888
Equivalent to 32 /8s, 222 /16s and 23 /24s
Percentage of available APNIC address space announced: 78.3
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: 136168
Total ARIN prefixes after maximum aggregation: 70217
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 108768
Unique aggregates announced from the ARIN address blocks: 43359
ARIN Region origin ASes present in the Internet Routing Table: 13938
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5334
ARIN Region transit ASes present in the Internet Routing Table: 1382
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 736949248
Equivalent to 43 /8s, 236 /16s and 244 /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: 76503
Total RIPE prefixes after maximum aggregation: 44408
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 69873
Unique aggregates announced from the RIPE address blocks: 45818
RIPE Region origin ASes present in the Internet Routing Table: 14866
RIPE Prefixes per ASN: 4.70
RIPE Region origin ASes announcing only one prefix: 7651
RIPE Region transit ASes present in the Internet Routing Table: 2241
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 440659840
Equivalent to 26 /8s, 67 /16s and 239 /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: 30221
Total LACNIC prefixes after maximum aggregation: 7172
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 28907
Unique aggregates announced from the LACNIC address blocks: 15126
LACNIC Region origin ASes present in the Internet Routing Table: 1364
LACNIC Prefixes per ASN: 21.19
LACNIC Region origin ASes announcing only one prefix: 430
LACNIC Region transit ASes present in the Internet Routing Table: 236
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 76117888
Equivalent to 4 /8s, 137 /16s and 119 /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: 7448
Total AfriNIC prefixes after maximum aggregation: 1871
AfriNIC Deaggregation factor: 3.98
Prefixes being announced from the AfriNIC address blocks: 5776
Unique aggregates announced from the AfriNIC address blocks: 1760
AfriNIC Region origin ASes present in the Internet Routing Table: 405
AfriNIC Prefixes per ASN: 14.26
AfriNIC Region origin ASes announcing only one prefix: 121
AfriNIC Region transit ASes present in the Internet Routing Table: 91
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 20828160
Equivalent to 1 /8s, 61 /16s and 208 /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 1867 9437 510 Korea Telecom (KIX)
7545 1410 297 80 TPG Internet Pty Ltd
4755 1373 382 156 TATA Communications formerly
17488 1360 156 122 Hathway IP Over Cable Interne
17974 1239 302 75 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 888 100 134 Reliance Infocom Ltd Internet
9829 816 694 27 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 2618 1119 393 Time Warner Telecom
1785 1795 698 130 PaeTec Communications, Inc.
19262 1778 4833 279 Verizon Global Networks
20115 1503 1520 647 Charter Communications
7018 1465 5728 940 AT&T WorldNet Services
6478 1372 278 109 AT&T Worldnet Services
2386 1307 555 923 AT&T Data Communications Serv
11492 1231 231 73 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 449 2028 390 TDC Tele Danmark
8866 419 119 24 Bulgarian Telecommunication C
702 404 1869 318 UUNET - Commercial IP service
8551 402 353 46 Bezeq International
34984 380 91 187 BILISIM TELEKOM
3320 379 7332 330 Deutsche Telekom AG
3301 378 1688 334 TeliaNet Sweden
30890 375 80 204 Evolva Telecom
12479 373 576 5 Uni2 Autonomous System
31148 356 19 79 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
8151 1340 2579 368 UniNet S.A. de C.V.
10620 1332 247 150 TVCABLE BOGOTA
28573 1167 909 87 NET Servicos de Comunicao S.A
7303 836 441 106 Telecom Argentina Stet-France
6503 759 223 259 AVANTEL, S.A.
22047 559 310 15 VTR PUNTO NET S.A.
14420 541 39 79 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 1073 445 10 TEDATA
24863 738 147 40 LINKdotNET AS number
36992 653 279 174 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 2618 1119 393 Time Warner Telecom
4766 1867 9437 510 Korea Telecom (KIX)
1785 1795 698 130 PaeTec Communications, Inc.
19262 1778 4833 279 Verizon Global Networks
20115 1503 1520 647 Charter Communications
7018 1465 5728 940 AT&T WorldNet Services
7545 1410 297 80 TPG Internet Pty Ltd
4755 1373 382 156 TATA Communications formerly
6478 1372 278 109 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 2618 2225 Time Warner Telecom
1785 1795 1665 PaeTec Communications, Inc.
19262 1778 1499 Verizon Global Networks
4766 1867 1357 Korea Telecom (KIX)
7545 1410 1330 TPG Internet Pty Ltd
6478 1372 1263 AT&T Worldnet Services
17488 1360 1238 Hathway IP Over Cable Interne
4755 1373 1217 TATA Communications formerly
10620 1332 1182 TVCABLE BOGOTA
17974 1239 1164 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
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 4323 Time Warner Telecom
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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 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
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<<
41.223.197.0/24 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
62.61.221.0/24 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
/13:420 /14:733 /15:1326 /16:11301 /17:5483 /18:9308
/19:18493 /20:23637 /21:23856 /22:31213 /23:30468 /24:173826
/25:1012 /26:1123 /27:577 /28:152 /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 2618 Time Warner Telecom
6478 1335 1372 AT&T Worldnet Services
10620 1220 1332 TVCABLE BOGOTA
11492 1188 1231 Cable One
1785 1076 1795 PaeTec Communications, Inc.
18566 1069 1088 Covad Communications
7011 1056 1156 Citizens Utilities
8452 984 1073 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 12:2008 13:8
14:35 15:20 16:3 17:9 20:9 24:1381
27:384 31:1 32:61 33:12 38:699 40:97
41:2551 44:3 46:122 47:11 49:4 52:12
55:5 56:2 57:29 58:829 59:501 60:479
61:1111 62:1030 63:1966 64:3742 65:2330 66:4058
67:1846 68:1144 69:2838 70:756 71:375 72:1939
73:2 74:2304 75:294 76:323 77:863 78:670
79:442 80:1045 81:804 82:500 83:450 84:687
85:1038 86:421 87:688 88:323 89:1553 90:106
91:3095 92:425 93:1017 94:1111 95:741 96:385
97:220 98:630 99:32 101:3 108:64 109:686
110:434 111:586 112:293 113:291 114:475 115:606
116:1112 117:660 118:540 119:983 120:196 121:716
122:1615 123:916 124:1227 125:1271 128:227 129:157
130:170 131:559 132:273 133:20 134:208 135:46
136:214 137:140 138:277 139:109 140:478 141:197
142:348 143:388 144:497 145:54 146:428 147:183
148:620 149:305 150:146 151:232 152:294 153:173
154:3 155:376 156:169 157:333 158:113 159:359
160:312 161:195 162:269 163:166 164:422 165:349
166:467 167:418 168:682 169:157 170:715 171:63
172:2 173:1020 174:552 175:208 176:1 177:1
178:517 180:680 181:1 182:236 183:234 184:128
186:732 187:505 188:842 189:826 190:4110 192:5770
193:4727 194:3423 195:2833 196:1192 198:3547 199:3605
200:5369 201:1577 202:8166 203:8311 204:4026 205:2382
206:2540 207:3044 208:3901 209:3491 210:2551 211:1283
212:1764 213:1702 214:691 215:66 216:4785 217:1585
218:518 219:401 220:1174 221:427 222:338 223:51
End of report