* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 18 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 436648
Prefixes after maximum aggregation: 180642
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 214674
Total ASes present in the Internet Routing Table: 42854
Prefixes per ASN: 10.19
Origin-only ASes present in the Internet Routing Table: 33943
Origin ASes announcing only one prefix: 15858
Transit ASes present in the Internet Routing Table: 5692
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1186
Unregistered ASNs in the Routing Table: 427
Number of 32-bit ASNs allocated by the RIRs: 3587
Number of 32-bit ASNs visible in the Routing Table: 3219
Prefixes from 32-bit ASNs in the Routing Table: 8679
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 176
Number of addresses announced to Internet: 2618723980
Equivalent to 156 /8s, 22 /16s and 142 /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: 154620
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105107
Total APNIC prefixes after maximum aggregation: 32687
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 106029
Unique aggregates announced from the APNIC address blocks: 43368
APNIC Region origin ASes present in the Internet Routing Table: 4808
APNIC Prefixes per ASN: 22.05
APNIC Region origin ASes announcing only one prefix: 1249
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: 387
Number of APNIC addresses announced to Internet: 716091392
Equivalent to 42 /8s, 174 /16s and 176 /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: 155762
Total ARIN prefixes after maximum aggregation: 78350
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156436
Unique aggregates announced from the ARIN address blocks: 70439
ARIN Region origin ASes present in the Internet Routing Table: 15336
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5790
ARIN Region transit ASes present in the Internet Routing Table: 1591
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: 1089240960
Equivalent to 64 /8s, 236 /16s and 127 /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: 111956
Total RIPE prefixes after maximum aggregation: 58209
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 114846
Unique aggregates announced from the RIPE address blocks: 73974
RIPE Region origin ASes present in the Internet Routing Table: 16988
RIPE Prefixes per ASN: 6.76
RIPE Region origin ASes announcing only one prefix: 8132
RIPE Region transit ASes present in the Internet Routing Table: 2763
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: 2086
Number of RIPE addresses announced to Internet: 649866724
Equivalent to 38 /8s, 188 /16s and 45 /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: 45236
Total LACNIC prefixes after maximum aggregation: 8993
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 48778
Unique aggregates announced from the LACNIC address blocks: 23105
LACNIC Region origin ASes present in the Internet Routing Table: 1749
LACNIC Prefixes per ASN: 27.89
LACNIC Region origin ASes announcing only one prefix: 499
LACNIC Region transit ASes present in the Internet Routing Table: 332
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 722
Number of LACNIC addresses announced to Internet: 120319016
Equivalent to 7 /8s, 43 /16s and 236 /24s
Percentage of available LACNIC address space announced: 71.7
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: 9786
Total AfriNIC prefixes after maximum aggregation: 2350
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 10383
Unique aggregates announced from the AfriNIC address blocks: 3631
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 17.69
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 42891776
Equivalent to 2 /8s, 142 /16s and 122 /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 2930 11556 905 Korea Telecom (KIX)
17974 2436 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1816 301 91 TPG Internet Pty Ltd
4755 1656 381 172 TATA Communications formerly
9829 1415 1156 42 BSNL National Internet Backbo
9583 1183 88 501 Sify Limited
7552 1146 1070 12 Vietel Corporation
4808 1128 2056 318 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1032 307 70 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 3124 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 1379 290 721 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 1821 544 16 Corbina telecom
34984 878 211 228 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
2118 784 97 15 EUnet/RELCOM Autonomous Syste
13188 758 95 129 Educational Network
31148 742 38 14 FreeNet ISP
6830 715 2313 436 UPC Distribution Services
20940 712 229 549 Akamai Technologies European
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 611 367 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 2199 1297 74 NET Servicos de Comunicao S.A
7303 1673 1139 201 Telecom Argentina Stet-France
8151 1580 2976 356 UniNet S.A. de C.V.
6503 1531 435 67 AVANTEL, S.A.
27947 768 85 97 Telconet S.A
3816 661 309 71 Empresa Nacional de Telecomun
18881 611 716 18 Global Village Telecom
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 801 275 36 LINKdotNET AS number
36998 768 48 3 MOBITEL
8452 686 958 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 3124 3718 135 bellsouth.net, inc.
4766 2930 11556 905 Korea Telecom (KIX)
17974 2436 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2264 386 207 TVCABLE BOGOTA
28573 2199 1297 74 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 1821 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 3124 2989 bellsouth.net, inc.
17974 2436 2390 PT TELEKOMUNIKASI INDONESIA
28573 2199 2125 NET Servicos de Comunicao S.A
10620 2264 2057 TVCABLE BOGOTA
4766 2930 2025 Korea Telecom (KIX)
18566 2082 1902 Covad Communications
22773 1947 1816 Cox Communications, Inc.
1785 1939 1814 PaeTec Communications, Inc.
8402 1821 1805 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 /15:1544 /16:12485 /17:6560 /18:10941
/19:21583 /20:30920 /21:32865 /22:44126 /23:40655 /24:229073
/25:1316 /26:1685 /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 1775 3124 bellsouth.net, inc.
8402 1548 1821 Corbina telecom
30036 1286 1379 Mediacom Communications Corp
22773 1279 1947 Cox Communications, Inc.
11492 1149 1186 Cable One
6503 1048 1531 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)
----------------------------------------------
1:654 2:754 3:3 4:13 5:684 6:3
8:487 12:1935 13:3 14:703 15:11 16:3
17:6 20:27 23:220 24:1792 27:1464 31:1311
32:54 33:2 34:2 36:8 37:1077 38:842
39:2 40:142 41:2787 42:179 44:3 46:1720
47:3 49:513 50:627 52:12 54:28 55:7
57:28 58:1071 59:553 60:234 61:1308 62:1039
63:2019 64:4350 65:2209 66:4499 67:2078 68:1188
69:3313 70:935 71:557 72:1893 74:2632 75:474
76:289 77:1039 78:1013 79:518 80:1211 81:982
82:648 83:538 84:531 85:1155 86:459 87:957
88:354 89:1749 90:304 91:5356 92:605 93:1620
94:2009 95:1654 96:485 97:322 98:964 99:40
100:31 101:287 103:1939 105:512 106:117 107:203
108:506 109:1726 110:823 111:972 112:460 113:746
114:642 115:897 116:893 117:776 118:959 119:1264
120:376 121:679 122:1727 123:1174 124:1319 125:1289
128:551 129:200 130:301 131:642 132:316 133:142
134:255 135:62 136:215 137:236 138:343 139:168
140:182 141:301 142:510 143:356 144:491 145:89
146:521 147:294 148:738 149:331 150:153 151:235
152:399 153:187 154:22 155:437 156:230 157:380
158:257 159:682 160:335 161:420 162:370 163:193
164:583 165:451 166:474 167:568 168:993 169:131
170:1007 171:164 172:6 173:1652 174:635 175:464
176:873 177:1485 178:1743 180:1355 181:185 182:1106
183:301 184:630 185:126 186:2122 187:1459 188:1893
189:1596 190:6156 192:6096 193:5435 194:4398 195:3652
196:1238 197:289 198:3987 199:5161 200:6046 201:2019
202:8851 203:8754 204:4477 205:2555 206:2779 207:2811
208:4072 209:3658 210:2901 211:1529 212:2106 213:1862
214:864 215:74 216:5172 217:1584 218:597 219:313
220:1256 221:542 222:336 223:377
End of report
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