* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 19 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437771
Prefixes after maximum aggregation: 180653
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215203
Total ASes present in the Internet Routing Table: 42872
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 33972
Origin ASes announcing only one prefix: 15860
Transit ASes present in the Internet Routing Table: 5680
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 30
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1199
Unregistered ASNs in the Routing Table: 432
Number of 32-bit ASNs allocated by the RIRs: 3586
Number of 32-bit ASNs visible in the Routing Table: 3220
Prefixes from 32-bit ASNs in the Routing Table: 8696
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 180
Number of addresses announced to Internet: 2619119820
Equivalent to 156 /8s, 28 /16s and 152 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 154804
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105066
Total APNIC prefixes after maximum aggregation: 32724
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105981
Unique aggregates announced from the APNIC address blocks: 43428
APNIC Region origin ASes present in the Internet Routing Table: 4810
APNIC Prefixes per ASN: 22.03
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 794
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 386
Number of APNIC addresses announced to Internet: 716042304
Equivalent to 42 /8s, 173 /16s and 240 /24s
Percentage of available APNIC address space announced: 83.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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, 150/8, 153/8,
163/8, 171/8, 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: 155848
Total ARIN prefixes after maximum aggregation: 78340
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156544
Unique aggregates announced from the ARIN address blocks: 70515
ARIN Region origin ASes present in the Internet Routing Table: 15341
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5789
ARIN Region transit ASes present in the Internet Routing Table: 1585
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1089256320
Equivalent to 64 /8s, 236 /16s and 187 /24s
Percentage of available ARIN address space announced: 57.6
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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 112826
Total RIPE prefixes after maximum aggregation: 58177
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115717
Unique aggregates announced from the RIPE address blocks: 74341
RIPE Region origin ASes present in the Internet Routing Table: 16997
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8139
RIPE Region transit ASes present in the Internet Routing Table: 2753
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2085
Number of RIPE addresses announced to Internet: 650084324
Equivalent to 38 /8s, 191 /16s and 127 /24s
Percentage of available RIPE address space announced: 94.5
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
59392-61439, 196608-199679
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 45348
Total LACNIC prefixes after maximum aggregation: 8997
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48887
Unique aggregates announced from the LACNIC address blocks: 23127
LACNIC Region origin ASes present in the Internet Routing Table: 1749
LACNIC Prefixes per ASN: 27.95
LACNIC Region origin ASes announcing only one prefix: 496
LACNIC Region transit ASes present in the Internet Routing Table: 336
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 725
Number of LACNIC addresses announced to Internet: 120521256
Equivalent to 7 /8s, 47 /16s and 2 /24s
Percentage of available LACNIC address space announced: 71.8
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9865
Total AfriNIC prefixes after maximum aggregation: 2362
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 10462
Unique aggregates announced from the AfriNIC address blocks: 3631
AfriNIC Region origin ASes present in the Internet Routing Table: 588
AfriNIC Prefixes per ASN: 17.79
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 42897408
Equivalent to 2 /8s, 142 /16s and 144 /24s
Percentage of available AfriNIC address space announced: 42.6
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2927 11556 905 Korea Telecom (KIX)
17974 2452 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1816 301 91 TPG Internet Pty Ltd
4755 1657 381 172 TATA Communications formerly
9829 1415 1155 41 BSNL National Internet Backbo
9583 1183 88 501 Sify Limited
7552 1146 1070 12 Vietel Corporation
4808 1126 2056 318 CNCGROUP IP network: China169
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 1032 307 69 BHARTI Airtel Ltd.
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
7029 3467 1009 211 Windstream Communications Inc
6389 3123 3718 135 bellsouth.net, inc.
18566 2082 382 180 Covad Communications
22773 1947 2932 131 Cox Communications, Inc.
1785 1939 678 125 PaeTec Communications, Inc.
20115 1688 1607 623 Charter Communications
4323 1593 1155 396 Time Warner Telecom
30036 1381 290 722 Mediacom Communications Corp
7018 1292 10534 855 AT&T WorldNet Services
7011 1206 321 685 Citizens Utilities
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 1820 544 16 Corbina telecom
2118 1308 97 15 EUnet/RELCOM Autonomous Syste
34984 879 211 228 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 762 95 127 Educational Network
31148 743 38 15 FreeNet ISP
6830 715 2313 436 UPC Distribution Services
20940 713 229 550 Akamai Technologies European
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 623 367 39 Bezeq International
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 2264 386 207 TVCABLE BOGOTA
28573 2222 1298 69 NET Servicos de Comunicao S.A
7303 1673 1139 201 Telecom Argentina Stet-France
8151 1577 2976 357 UniNet S.A. de C.V.
6503 1518 435 67 AVANTEL, S.A.
27947 766 85 93 Telconet S.A
18881 665 716 18 Global Village Telecom
3816 661 309 71 Empresa Nacional de Telecomun
11172 600 85 65 Servicios Alestra S.A de C.V
7738 579 1178 33 Telecomunicacoes da Bahia S.A
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
24863 874 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 690 958 13 TEDATA
6713 485 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 88 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
7029 3467 1009 211 Windstream Communications Inc
6389 3123 3718 135 bellsouth.net, inc.
4766 2927 11556 905 Korea Telecom (KIX)
17974 2452 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2264 386 207 TVCABLE BOGOTA
28573 2222 1298 69 NET Servicos de Comunicao S.A
18566 2082 382 180 Covad Communications
22773 1947 2932 131 Cox Communications, Inc.
1785 1939 678 125 PaeTec Communications, Inc.
8402 1820 544 16 Corbina 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
6389 3123 2988 bellsouth.net, inc.
17974 2452 2398 PT TELEKOMUNIKASI INDONESIA
28573 2222 2153 NET Servicos de Comunicao S.A
10620 2264 2057 TVCABLE BOGOTA
4766 2927 2022 Korea Telecom (KIX)
18566 2082 1902 Covad Communications
22773 1947 1816 Cox Communications, Inc.
1785 1939 1814 PaeTec Communications, Inc.
8402 1820 1804 Corbina telecom
7545 1816 1725 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark
61395 UNALLOCATED 5.83.60.0/22 3292 TDC Tele Danmark
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.24.0/21 41794 Altline LLC
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.66.32.0/20 18864 >>UNKNOWN<<
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
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 /8:18 /9:13 /10:29 /11:87 /12:244
/13:477 /14:856 /15:1543 /16:12483 /17:6562 /18:10948
/19:21587 /20:30937 /21:32893 /22:44196 /23:40737 /24:229993
/25:1311 /26:1686 /27:868 /28:183 /29:81 /30:17
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2728 3467 Windstream Communications Inc
18566 2032 2082 Covad Communications
6389 1774 3123 bellsouth.net, inc.
8402 1547 1820 Corbina telecom
30036 1286 1381 Mediacom Communications Corp
22773 1279 1947 Cox Communications, Inc.
11492 1149 1186 Cable One
6503 1036 1518 AVANTEL, S.A.
1785 1022 1939 PaeTec Communications, Inc.
7011 954 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:647 2:758 3:3 4:13 5:692 6:3
8:488 12:1936 13:3 14:702 15:11 16:3
17:6 20:27 23:220 24:1793 27:1462 31:1323
32:54 33:2 34:2 36:9 37:1131 38:843
39:2 40:142 41:2790 42:179 44:3 46:1717
47:3 49:512 50:628 52:12 54:28 55:7
56:1 57:28 58:1071 59:555 60:236 61:1310
62:1037 63:2018 64:4350 65:2207 66:4495 67:2080
68:1187 69:3320 70:935 71:557 72:1894 74:2632
75:475 76:291 77:1039 78:1010 79:519 80:1208
81:980 82:646 83:538 84:531 85:1155 86:458
87:957 88:354 89:1749 90:304 91:5359 92:606
93:1625 94:1973 95:1645 96:485 97:322 98:964
99:40 100:31 101:288 103:1948 105:501 106:117
107:203 108:507 109:1735 110:825 111:971 112:459
113:747 114:643 115:895 116:890 117:780 118:964
119:1264 120:375 121:679 122:1728 123:1174 124:1320
125:1295 128:807 129:200 130:301 131:636 132:316
133:142 134:255 135:62 136:215 137:236 138:343
139:169 140:182 141:300 142:511 143:356 144:489
145:89 146:521 147:293 148:733 149:332 150:153
151:238 152:399 153:187 154:22 155:432 156:230
157:380 158:257 159:680 160:335 161:419 162:370
163:193 164:581 165:451 166:474 167:568 168:996
169:131 170:1007 171:164 172:4 173:1659 174:640
175:447 176:874 177:1475 178:1731 180:1350 181:186
182:1110 183:305 184:632 185:128 186:2144 187:1468
188:1888 189:1586 190:6158 192:6092 193:5709 194:4655
195:3655 196:1249 197:291 198:4002 199:5161 200:6037
201:2032 202:8860 203:8751 204:4479 205:2558 206:2796
207:2811 208:4075 209:3656 210:2903 211:1527 212:2103
213:1864 214:864 215:89 216:5186 217:1582 218:596
219:322 220:1256 221:543 222:336 223:374
End of report
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