Routing Table Report 04:00 +10GMT Thu 08 Dec, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 383667
Prefixes after maximum aggregation: 167373
Deaggregation factor: 2.29
Unique aggregates announced to Internet: 188385
Total ASes present in the Internet Routing Table: 39487
Prefixes per ASN: 9.72
Origin-only ASes present in the Internet Routing Table: 32452
Origin ASes announcing only one prefix: 15486
Transit ASes present in the Internet Routing Table: 5328
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1854
Unregistered ASNs in the Routing Table: 961
Number of 32-bit ASNs allocated by the RIRs: 2054
Number of 32-bit ASNs visible in the Routing Table: 1707
Prefixes from 32-bit ASNs in the Routing Table: 4031
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 84
Number of addresses announced to Internet: 2498447104
Equivalent to 148 /8s, 235 /16s and 71 /24s
Percentage of available address space announced: 67.4
Percentage of allocated address space announced: 67.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.7
Total number of prefixes smaller than registry allocations: 162115
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95220
Total APNIC prefixes after maximum aggregation: 31210
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 91704
Unique aggregates announced from the APNIC address blocks: 38458
APNIC Region origin ASes present in the Internet Routing Table: 4607
APNIC Prefixes per ASN: 19.91
APNIC Region origin ASes announcing only one prefix: 1252
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 118
Number of APNIC addresses announced to Internet: 631062624
Equivalent to 37 /8s, 157 /16s and 64 /24s
Percentage of available APNIC address space announced: 80.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 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: 146314
Total ARIN prefixes after maximum aggregation: 74775
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118438
Unique aggregates announced from the ARIN address blocks: 48663
ARIN Region origin ASes present in the Internet Routing Table: 14787
ARIN Prefixes per ASN: 8.01
ARIN Region origin ASes announcing only one prefix: 5648
ARIN Region transit ASes present in the Internet Routing Table: 1576
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803337152
Equivalent to 47 /8s, 225 /16s and 243 /24s
Percentage of available ARIN address space announced: 63.8
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, 23/8, 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,
53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 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: 92757
Total RIPE prefixes after maximum aggregation: 51321
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 85048
Unique aggregates announced from the RIPE address blocks: 54589
RIPE Region origin ASes present in the Internet Routing Table: 16144
RIPE Prefixes per ASN: 5.27
RIPE Region origin ASes announcing only one prefix: 7987
RIPE Region transit ASes present in the Internet Routing Table: 2543
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1197
Number of RIPE addresses announced to Internet: 493101248
Equivalent to 29 /8s, 100 /16s and 32 /24s
Percentage of available RIPE address space announced: 79.4
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, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 36766
Total LACNIC prefixes after maximum aggregation: 7933
LACNIC Deaggregation factor: 4.63
Prefixes being announced from the LACNIC address blocks: 36186
Unique aggregates announced from the LACNIC address blocks: 18836
LACNIC Region origin ASes present in the Internet Routing Table: 1553
LACNIC Prefixes per ASN: 23.30
LACNIC Region origin ASes announcing only one prefix: 441
LACNIC Region transit ASes present in the Internet Routing Table: 287
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 376
Number of LACNIC addresses announced to Internet: 94517120
Equivalent to 5 /8s, 162 /16s and 55 /24s
Percentage of available LACNIC address space announced: 62.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 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: 8406
Total AfriNIC prefixes after maximum aggregation: 2060
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 6452
Unique aggregates announced from the AfriNIC address blocks: 2060
AfriNIC Region origin ASes present in the Internet Routing Table: 503
AfriNIC Prefixes per ASN: 12.83
AfriNIC Region origin ASes announcing only one prefix: 158
AfriNIC Region transit ASes present in the Internet Routing Table: 109
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30368512
Equivalent to 1 /8s, 207 /16s and 99 /24s
Percentage of available AfriNIC address space announced: 45.3
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2512 11105 974 Korea Telecom (KIX)
17974 1681 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1631 303 86 TPG Internet Pty Ltd
4755 1508 385 158 TATA Communications formerly
7552 1386 1064 7 Vietel Corporation
9829 1168 989 28 BSNL National Internet Backbo
9583 1101 81 496 Sify Limited
4808 1080 2038 305 CNCGROUP IP network: China169
24560 983 382 162 Bharti Airtel Ltd., Telemedia
18101 960 121 154 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3483 3814 218 bellsouth.net, inc.
7029 2914 1016 199 Windstream Communications Inc
18566 2094 383 177 Covad Communications
1785 1854 680 121 PaeTec Communications, Inc.
4323 1614 1073 385 Time Warner Telecom
20115 1604 1549 630 Charter Communications
22773 1504 2909 104 Cox Communications, Inc.
30036 1438 257 675 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1310 7029 859 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1623 480 15 Corbina telecom
6830 645 1927 412 UPC Distribution Services
34984 621 126 200 BILISIM TELEKOM
20940 542 173 433 Akamai Technologies European
3320 523 8161 390 Deutsche Telekom AG
12479 494 601 13 Uni2 Autonomous System
3292 480 2106 407 TDC Tele Danmark
8866 462 133 26 Bulgarian Telecommunication C
8551 421 366 45 Bezeq International
31148 414 22 116 FreeNet ISP
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1714 317 161 TVCABLE BOGOTA
28573 1541 1059 72 NET Servicos de Comunicao S.A
8151 1459 2985 348 UniNet S.A. de C.V.
7303 1239 751 174 Telecom Argentina Stet-France
27947 616 72 91 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
6503 553 434 68 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 547 237 89 Empresa Nacional de Telecomun
11172 528 86 95 Servicios Alestra S.A de C.V
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 966 958 13 TEDATA
24863 785 146 35 LINKdotNET AS number
3741 281 939 230 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
6713 235 519 14 Itissalat Al-MAGHRIB
29571 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
16637 160 662 82 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3483 3814 218 bellsouth.net, inc.
7029 2914 1016 199 Windstream Communications Inc
4766 2512 11105 974 Korea Telecom (KIX)
18566 2094 383 177 Covad Communications
1785 1854 680 121 PaeTec Communications, Inc.
10620 1714 317 161 TVCABLE BOGOTA
17974 1681 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1631 303 86 TPG Internet Pty Ltd
8402 1623 480 15 Corbina telecom
4323 1614 1073 385 Time Warner Telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 2914 2715 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1854 1733 PaeTec Communications, Inc.
17974 1681 1643 PT TELEKOMUNIKASI INDONESIA
8402 1623 1608 Corbina telecom
10620 1714 1553 TVCABLE BOGOTA
7545 1631 1545 TPG Internet Pty Ltd
4766 2512 1538 Korea Telecom (KIX)
28573 1541 1469 NET Servicos de Comunicao S.A
22773 1504 1400 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.21.192.0/20 11610 Internet Nebraska Corporation
64.21.212.0/22 11610 Internet Nebraska Corporation
64.21.216.0/21 11610 Internet Nebraska Corporation
66.171.32.0/20 705 UUNET Technologies, Inc.
66.175.222.0/23 30058 FDC Servers.net, LLC
66.180.239.0/24 35888 VIGNETTE CORPORATION
Complete listing at http://thyme.rand.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 /9:12 /10:27 /11:81 /12:236
/13:465 /14:811 /15:1440 /16:12047 /17:6103 /18:10141
/19:20048 /20:27750 /21:27960 /22:38126 /23:35734 /24:199115
/25:1180 /26:1412 /27:785 /28:167 /29:3 /30:0
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2543 2914 Windstream Communications Inc
6389 2126 3483 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1609 1714 TVCABLE BOGOTA
8402 1598 1623 Corbina telecom
30036 1398 1438 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1059 1854 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
22773 964 1504 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:440 2:484 4:15 5:1 6:3 8:360
12:1948 13:1 14:556 15:11 16:3 17:7
20:9 23:71 24:1698 27:1076 31:717 32:67
33:2 34:2 36:4 38:772 39:1 40:114
41:2890 42:67 43:1 44:3 46:1098 47:3
49:290 50:457 52:13 55:6 56:2 57:49
58:942 59:486 60:344 61:1178 62:914 63:1969
64:4066 65:2312 66:4355 67:1998 68:1177 69:3148
70:904 71:362 72:1777 74:2644 75:431 76:320
77:936 78:886 79:438 80:1142 81:844 82:525
83:526 84:468 85:1160 86:385 87:911 88:354
89:1585 90:247 91:4333 92:536 93:1422 94:1317
95:1131 96:392 97:286 98:772 99:38 101:120
103:522 106:7 107:105 108:95 109:1129 110:665
111:820 112:368 113:487 114:615 115:699 116:880
117:709 118:877 119:1239 120:349 121:668 122:1556
123:1024 124:1348 125:1340 128:308 129:186 130:183
131:579 132:157 133:21 134:222 135:55 136:213
137:147 138:288 139:123 140:491 141:252 142:382
143:408 144:507 145:66 146:474 147:222 148:641
149:270 150:166 151:192 152:444 153:171 154:7
155:382 156:210 157:360 158:156 159:527 160:334
161:220 162:364 163:177 164:523 165:386 166:541
167:459 168:819 169:146 170:823 171:90 172:4
173:1773 174:591 175:419 176:340 177:417 178:1147
180:1188 181:38 182:673 183:245 184:393 185:1
186:1472 187:784 188:942 189:1162 190:5292 192:5972
193:5121 194:3562 195:3120 196:1285 197:172 198:3619
199:4251 200:5526 201:1696 202:8481 203:8495 204:4329
205:2413 206:2669 207:2841 208:4019 209:3557 210:2747
211:1474 212:1972 213:1798 214:822 215:92 216:4935
217:1492 218:575 219:338 220:1252 221:526 222:326
223:241
End of report
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