* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 27 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 438192
Prefixes after maximum aggregation: 180967
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215534
Total ASes present in the Internet Routing Table: 42910
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 33977
Origin ASes announcing only one prefix: 15881
Transit ASes present in the Internet Routing Table: 5692
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1224
Unregistered ASNs in the Routing Table: 442
Number of 32-bit ASNs allocated by the RIRs: 3605
Number of 32-bit ASNs visible in the Routing Table: 3241
Prefixes from 32-bit ASNs in the Routing Table: 8776
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 172
Number of addresses announced to Internet: 2619609740
Equivalent to 156 /8s, 36 /16s and 18 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 154820
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105380
Total APNIC prefixes after maximum aggregation: 32788
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106300
Unique aggregates announced from the APNIC address blocks: 43509
APNIC Region origin ASes present in the Internet Routing Table: 4807
APNIC Prefixes per ASN: 22.11
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 796
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: 393
Number of APNIC addresses announced to Internet: 716745344
Equivalent to 42 /8s, 184 /16s and 170 /24s
Percentage of available APNIC address space announced: 83.8
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: 155882
Total ARIN prefixes after maximum aggregation: 78392
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156567
Unique aggregates announced from the ARIN address blocks: 70682
ARIN Region origin ASes present in the Internet Routing Table: 15356
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5809
ARIN Region transit ASes present in the Internet Routing Table: 1589
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: 1088369792
Equivalent to 64 /8s, 223 /16s and 52 /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: 112868
Total RIPE prefixes after maximum aggregation: 58360
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115797
Unique aggregates announced from the RIPE address blocks: 74451
RIPE Region origin ASes present in the Internet Routing Table: 16994
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8143
RIPE Region transit ASes present in the Internet Routing Table: 2760
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2097
Number of RIPE addresses announced to Internet: 650262116
Equivalent to 38 /8s, 194 /16s and 54 /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: 45421
Total LACNIC prefixes after maximum aggregation: 9024
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 49014
Unique aggregates announced from the LACNIC address blocks: 23113
LACNIC Region origin ASes present in the Internet Routing Table: 1753
LACNIC Prefixes per ASN: 27.96
LACNIC Region origin ASes announcing only one prefix: 495
LACNIC Region transit ASes present in the Internet Routing Table: 335
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 727
Number of LACNIC addresses announced to Internet: 121016360
Equivalent to 7 /8s, 54 /16s and 144 /24s
Percentage of available LACNIC address space announced: 72.1
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: 9745
Total AfriNIC prefixes after maximum aggregation: 2350
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 10342
Unique aggregates announced from the AfriNIC address blocks: 3626
AfriNIC Region origin ASes present in the Internet Routing Table: 588
AfriNIC Prefixes per ASN: 17.59
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 4.7
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: 42915328
Equivalent to 2 /8s, 142 /16s and 214 /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 2939 11556 912 Korea Telecom (KIX)
17974 2486 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1816 301 89 TPG Internet Pty Ltd
4755 1659 381 174 TATA Communications formerly
9829 1408 1156 42 BSNL National Internet Backbo
9583 1183 88 501 Sify Limited
7552 1147 1070 12 Vietel Corporation
4808 1124 2040 316 CNCGROUP IP network: China169
9498 1042 307 69 BHARTI Airtel Ltd.
24560 1037 385 161 Bharti Airtel Ltd., Telemedia
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 3429 1010 215 Windstream Communications Inc
6389 3120 3717 133 bellsouth.net, inc.
18566 2081 382 180 Covad Communications
22773 1948 2932 131 Cox Communications, Inc.
1785 1941 678 124 PaeTec Communications, Inc.
20115 1688 1603 618 Charter Communications
4323 1596 1155 397 Time Warner Telecom
30036 1374 291 707 Mediacom Communications Corp
7018 1291 10533 852 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 1765 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 893 211 232 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 767 96 115 Educational Network
31148 743 38 15 FreeNet ISP
20940 729 239 568 Akamai Technologies European
6830 714 2313 435 UPC Distribution Services
8551 635 367 39 Bezeq International
58113 633 70 378 LIR DATACENTER TELECOM SRL
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 2268 387 206 TVCABLE BOGOTA
28573 2230 1296 86 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1561 2974 352 UniNet S.A. de C.V.
6503 1452 434 65 AVANTEL, S.A.
27947 765 85 93 Telconet S.A
18881 740 716 18 Global Village Telecom
3816 672 309 71 Empresa Nacional de Telecomun
11172 601 86 66 Servicios Alestra S.A de C.V
7738 588 1242 34 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 547 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 193 28 67 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 3429 1010 215 Windstream Communications Inc
6389 3120 3717 133 bellsouth.net, inc.
4766 2939 11556 912 Korea Telecom (KIX)
17974 2486 829 53 PT TELEKOMUNIKASI INDONESIA
10620 2268 387 206 TVCABLE BOGOTA
28573 2230 1296 86 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1948 2932 131 Cox Communications, Inc.
1785 1941 678 124 PaeTec Communications, Inc.
7545 1816 301 89 TPG Internet Pty Ltd
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 3120 2987 bellsouth.net, inc.
17974 2486 2433 PT TELEKOMUNIKASI INDONESIA
28573 2230 2144 NET Servicos de Comunicao S.A
10620 2268 2062 TVCABLE BOGOTA
4766 2939 2027 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1948 1817 Cox Communications, Inc.
1785 1941 1817 PaeTec Communications, Inc.
8402 1765 1749 Corbina telecom
7545 1816 1727 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
/13:476 /14:857 /15:1545 /16:12488 /17:6564 /18:10948
/19:21639 /20:31046 /21:33012 /22:44329 /23:40753 /24:230000
/25:1297 /26:1683 /27:869 /28:177 /29:80 /30:17
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2688 3429 Windstream Communications Inc
18566 2031 2081 Covad Communications
6389 1774 3120 bellsouth.net, inc.
8402 1488 1765 Corbina telecom
22773 1280 1948 Cox Communications, Inc.
30036 1277 1374 Mediacom Communications Corp
11492 1156 1193 Cable One
1785 1023 1941 PaeTec Communications, Inc.
6503 980 1452 AVANTEL, S.A.
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)
----------------------------------------------
1:690 2:707 3:3 4:9 5:699 6:3
8:489 12:1930 13:3 14:701 15:11 16:3
17:6 20:27 23:220 24:1794 27:1465 31:1371
32:54 33:2 34:2 36:11 37:1150 38:841
39:2 40:141 41:2632 42:179 44:3 46:1728
47:3 49:527 50:654 52:12 54:28 55:8
56:1 57:28 58:1070 59:558 60:237 61:1317
62:1039 63:2018 64:4352 65:2198 66:4487 67:2082
68:1196 69:3329 70:935 71:557 72:1898 74:2625
75:474 76:293 77:1052 78:1022 79:522 80:1210
81:975 82:654 83:537 84:532 85:1159 86:457
87:971 88:353 89:1751 90:304 91:5374 92:612
93:1614 94:1986 95:1645 96:489 97:337 98:968
99:40 100:31 101:286 103:1976 105:501 106:117
107:203 108:510 109:1749 110:834 111:979 112:469
113:744 114:642 115:905 116:892 117:773 118:965
119:1263 120:372 121:706 122:1730 123:1183 124:1319
125:1298 128:811 129:200 130:304 131:643 132:319
133:142 134:255 135:62 136:215 137:235 138:344
139:169 140:182 141:302 142:516 143:351 144:491
145:89 146:518 147:324 148:727 149:334 150:146
151:245 152:399 153:187 154:23 155:425 156:231
157:381 158:257 159:685 160:334 161:420 162:371
163:193 164:582 165:457 166:471 167:569 168:1005
169:131 170:1006 171:164 172:4 173:1644 174:630
175:468 176:941 177:1502 178:1713 180:1340 181:191
182:1137 183:284 184:633 185:146 186:2170 187:1440
188:1906 189:1570 190:6172 192:6082 193:5715 194:4489
195:3595 196:1241 197:304 198:4001 199:5157 200:6033
201:2034 202:8859 203:8747 204:4479 205:2557 206:2825
207:2830 208:4062 209:3646 210:2911 211:1556 212:2009
213:1877 214:860 215:90 216:5129 217:1567 218:604
219:321 220:1258 221:544 222:324 223:375
End of report
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