* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 27 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 432850
Prefixes after maximum aggregation: 180220
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212945
Total ASes present in the Internet Routing Table: 42675
Prefixes per ASN: 10.14
Origin-only ASes present in the Internet Routing Table: 33843
Origin ASes announcing only one prefix: 15810
Transit ASes present in the Internet Routing Table: 5694
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1085
Unregistered ASNs in the Routing Table: 399
Number of 32-bit ASNs allocated by the RIRs: 3527
Number of 32-bit ASNs visible in the Routing Table: 3138
Prefixes from 32-bit ASNs in the Routing Table: 8483
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 147
Number of addresses announced to Internet: 2614309060
Equivalent to 155 /8s, 211 /16s and 48 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.9
Total number of prefixes smaller than registry allocations: 152446
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104775
Total APNIC prefixes after maximum aggregation: 32643
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105630
Unique aggregates announced from the APNIC address blocks: 43302
APNIC Region origin ASes present in the Internet Routing Table: 4799
APNIC Prefixes per ASN: 22.01
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 786
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 370
Number of APNIC addresses announced to Internet: 715057152
Equivalent to 42 /8s, 158 /16s and 232 /24s
Percentage of available APNIC address space announced: 83.6
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: 155463
Total ARIN prefixes after maximum aggregation: 78502
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156235
Unique aggregates announced from the ARIN address blocks: 70132
ARIN Region origin ASes present in the Internet Routing Table: 15306
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5774
ARIN Region transit ASes present in the Internet Routing Table: 1597
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087297920
Equivalent to 64 /8s, 206 /16s and 217 /24s
Percentage of available ARIN address space announced: 57.5
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: 110283
Total RIPE prefixes after maximum aggregation: 57944
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 113100
Unique aggregates announced from the RIPE address blocks: 73025
RIPE Region origin ASes present in the Internet Routing Table: 16971
RIPE Prefixes per ASN: 6.66
RIPE Region origin ASes announcing only one prefix: 8132
RIPE Region transit ASes present in the Internet Routing Table: 2759
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2032
Number of RIPE addresses announced to Internet: 649225252
Equivalent to 38 /8s, 178 /16s and 100 /24s
Percentage of available RIPE address space announced: 94.4
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
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: 44228
Total LACNIC prefixes after maximum aggregation: 8817
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 47711
Unique aggregates announced from the LACNIC address blocks: 22865
LACNIC Region origin ASes present in the Internet Routing Table: 1718
LACNIC Prefixes per ASN: 27.77
LACNIC Region origin ASes announcing only one prefix: 488
LACNIC Region transit ASes present in the Internet Routing Table: 329
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 713
Number of LACNIC addresses announced to Internet: 119586592
Equivalent to 7 /8s, 32 /16s and 191 /24s
Percentage of available LACNIC address space announced: 71.3
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: 9504
Total AfriNIC prefixes after maximum aggregation: 2261
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 10027
Unique aggregates announced from the AfriNIC address blocks: 3493
AfriNIC Region origin ASes present in the Internet Routing Table: 568
AfriNIC Prefixes per ASN: 17.65
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 42845440
Equivalent to 2 /8s, 141 /16s and 197 /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 2948 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1803 301 90 TPG Internet Pty Ltd
4755 1623 374 159 TATA Communications formerly
9829 1412 1155 42 BSNL National Internet Backbo
9583 1181 88 498 Sify Limited
7552 1141 1062 11 Vietel Corporation
4808 1126 2056 317 CNCGROUP IP network: China169
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1027 310 74 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 3245 994 228 Windstream Communications Inc
6389 3150 3720 150 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1945 2931 129 Cox Communications, Inc.
1785 1932 678 126 PaeTec Communications, Inc.
20115 1684 1607 625 Charter Communications
4323 1587 1153 393 Time Warner Telecom
30036 1366 281 750 Mediacom Communications Corp
7018 1282 10276 849 AT&T WorldNet Services
7011 1222 334 692 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 1810 544 16 Corbina telecom
12479 857 777 64 Uni2 Autonomous System
34984 849 210 214 BILISIM TELEKOM
13188 740 94 131 Educational Network
31148 731 37 9 FreeNet ISP
6830 716 2313 435 UPC Distribution Services
20940 710 228 548 Akamai Technologies European
8551 603 367 39 Bezeq International
58113 602 67 365 LIR DATACENTER TELECOM SRL
3320 495 8439 405 Deutsche Telekom AG
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 2260 386 205 TVCABLE BOGOTA
28573 2179 1285 66 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
6503 1536 435 67 AVANTEL, S.A.
8151 1477 3038 353 UniNet S.A. de C.V.
27947 735 77 93 Telconet S.A
3816 659 309 70 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 595 716 18 Global Village Telecom
22047 579 326 15 VTR PUNTO NET 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 872 274 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 518 666 20 Itissalat Al-MAGHRIB
8452 514 958 13 TEDATA
24835 289 80 8 RAYA Telecom - Egypt
3741 268 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 170 697 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 3245 994 228 Windstream Communications Inc
6389 3150 3720 150 bellsouth.net, inc.
4766 2948 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2260 386 205 TVCABLE BOGOTA
28573 2179 1285 66 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1945 2931 129 Cox Communications, Inc.
1785 1932 678 126 PaeTec Communications, Inc.
8402 1810 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 3150 3000 bellsouth.net, inc.
17974 2431 2385 PT TELEKOMUNIKASI INDONESIA
28573 2179 2113 NET Servicos de Comunicao S.A
10620 2260 2055 TVCABLE BOGOTA
4766 2948 2048 Korea Telecom (KIX)
18566 2084 1904 Covad Communications
22773 1945 1816 Cox Communications, Inc.
1785 1932 1806 PaeTec Communications, Inc.
8402 1810 1794 Corbina telecom
7545 1803 1713 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
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
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
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
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
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
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<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 Power Pulse
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 /11:88 /12:242
/13:477 /14:858 /15:1552 /16:12438 /17:6542 /18:10880
/19:21443 /20:30759 /21:32804 /22:43580 /23:40568 /24:226518
/25:1364 /26:1718 /27:894 /28:17 /29:22 /30:5
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2642 3245 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1781 3150 bellsouth.net, inc.
8402 1525 1810 Corbina telecom
30036 1280 1366 Mediacom Communications Corp
22773 1275 1945 Cox Communications, Inc.
11492 1145 1180 Cable One
6503 1054 1536 AVANTEL, S.A.
1785 1017 1932 PaeTec Communications, Inc.
7011 957 1222 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:655 2:781 3:1 4:13 5:655 6:3
8:487 12:1957 13:3 14:698 15:11 16:3
17:6 20:27 23:213 24:1779 27:1417 31:1287
32:54 33:2 34:2 36:7 37:1040 38:843
39:2 40:140 41:2613 42:179 44:3 46:1668
47:2 49:507 50:615 52:12 54:27 55:4
57:28 58:1063 59:550 60:234 61:1285 62:1028
63:2023 64:4337 65:2200 66:4512 67:2095 68:1161
69:3233 70:928 71:556 72:1894 74:2620 75:484
76:299 77:986 78:1013 79:504 80:1224 81:988
82:622 83:540 84:526 85:1159 86:516 87:957
88:351 89:1753 90:305 91:5350 92:587 93:1567
94:1819 95:1406 96:409 97:323 98:968 99:40
100:31 101:292 103:1850 105:514 106:119 107:203
108:482 109:1656 110:820 111:986 112:460 113:738
114:686 115:896 116:887 117:777 118:960 119:1252
120:367 121:677 122:1738 123:1177 124:1325 125:1288
128:564 129:201 130:294 131:661 132:315 133:143
134:254 135:62 136:215 137:239 138:340 139:174
140:504 141:291 142:498 143:358 144:491 145:86
146:527 147:269 148:734 149:330 150:155 151:220
152:398 153:183 154:21 155:436 156:227 157:369
158:278 159:670 160:336 161:413 162:370 163:193
164:580 165:451 166:479 167:561 168:979 169:130
170:959 171:149 172:6 173:1710 174:624 175:458
176:750 177:1441 178:1673 180:1364 181:177 182:1115
183:301 184:638 185:94 186:2061 187:1403 188:1776
189:1597 190:5961 192:6052 193:5423 194:4103 195:3538
196:1201 197:271 198:3960 199:5112 200:5995 201:1926
202:8824 203:8726 204:4442 205:2546 206:2772 207:2812
208:4079 209:3588 210:2882 211:1527 212:2121 213:1857
214:864 215:74 216:5193 217:1599 218:583 219:311
220:1257 221:533 222:334 223:417
End of report
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