* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 29 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 433432
Prefixes after maximum aggregation: 180342
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 213028
Total ASes present in the Internet Routing Table: 42695
Prefixes per ASN: 10.15
Origin-only ASes present in the Internet Routing Table: 33856
Origin ASes announcing only one prefix: 15805
Transit ASes present in the Internet Routing Table: 5696
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 35
Prefixes from unregistered ASNs in the Routing Table: 1087
Unregistered ASNs in the Routing Table: 399
Number of 32-bit ASNs allocated by the RIRs: 3532
Number of 32-bit ASNs visible in the Routing Table: 3143
Prefixes from 32-bit ASNs in the Routing Table: 8526
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 145
Number of addresses announced to Internet: 2615401924
Equivalent to 155 /8s, 227 /16s and 221 /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: 152672
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104791
Total APNIC prefixes after maximum aggregation: 32667
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105636
Unique aggregates announced from the APNIC address blocks: 43280
APNIC Region origin ASes present in the Internet Routing Table: 4803
APNIC Prefixes per ASN: 21.99
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 786
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 369
Number of APNIC addresses announced to Internet: 715229952
Equivalent to 42 /8s, 161 /16s and 139 /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: 155576
Total ARIN prefixes after maximum aggregation: 78533
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156294
Unique aggregates announced from the ARIN address blocks: 70151
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: 5766
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: 41
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1087416704
Equivalent to 64 /8s, 208 /16s and 169 /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: 110552
Total RIPE prefixes after maximum aggregation: 57973
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113412
Unique aggregates announced from the RIPE address blocks: 73117
RIPE Region origin ASes present in the Internet Routing Table: 16969
RIPE Prefixes per ASN: 6.68
RIPE Region origin ASes announcing only one prefix: 8125
RIPE Region transit ASes present in the Internet Routing Table: 2757
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: 2037
Number of RIPE addresses announced to Internet: 649302820
Equivalent to 38 /8s, 179 /16s and 147 /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: 44316
Total LACNIC prefixes after maximum aggregation: 8835
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 47861
Unique aggregates announced from the LACNIC address blocks: 22849
LACNIC Region origin ASes present in the Internet Routing Table: 1722
LACNIC Prefixes per ASN: 27.79
LACNIC Region origin ASes announcing only one prefix: 493
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: 120135200
Equivalent to 7 /8s, 41 /16s and 30 /24s
Percentage of available LACNIC address space announced: 71.6
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9559
Total AfriNIC prefixes after maximum aggregation: 2280
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 10084
Unique aggregates announced from the AfriNIC address blocks: 3505
AfriNIC Region origin ASes present in the Internet Routing Table: 579
AfriNIC Prefixes per ASN: 17.42
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 43015424
Equivalent to 2 /8s, 144 /16s and 93 /24s
Percentage of available AfriNIC address space announced: 42.7
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 2944 11557 900 Korea Telecom (KIX)
17974 2429 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1807 301 89 TPG Internet Pty Ltd
4755 1624 374 159 TATA Communications formerly
9829 1412 1155 42 BSNL National Internet Backbo
9583 1182 88 499 Sify Limited
7552 1141 1062 11 Vietel Corporation
4808 1127 2056 317 CNCGROUP IP network: China169
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1031 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 3192 994 215 Windstream Communications Inc
6389 3147 3719 148 bellsouth.net, inc.
18566 2083 382 180 Covad Communications
22773 1938 2932 131 Cox Communications, Inc.
1785 1931 678 125 PaeTec Communications, Inc.
20115 1684 1607 625 Charter Communications
4323 1587 1153 394 Time Warner Telecom
30036 1364 279 745 Mediacom Communications Corp
7018 1283 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 1793 544 16 Corbina telecom
12479 857 777 64 Uni2 Autonomous System
34984 848 210 214 BILISIM TELEKOM
13188 742 94 132 Educational Network
31148 732 37 9 FreeNet ISP
6830 717 2313 436 UPC Distribution Services
20940 707 227 545 Akamai Technologies European
58113 603 68 366 LIR DATACENTER TELECOM SRL
8551 598 367 39 Bezeq International
2118 560 97 15 EUnet/RELCOM Autonomous Syste
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 2261 386 206 TVCABLE BOGOTA
28573 2184 1285 66 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
6503 1536 435 67 AVANTEL, S.A.
8151 1478 3038 354 UniNet S.A. de C.V.
27947 735 77 93 Telconet S.A
3816 660 309 70 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 596 716 18 Global Village Telecom
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 872 274 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 519 666 20 Itissalat Al-MAGHRIB
8452 509 958 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 177 697 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 3192 994 215 Windstream Communications Inc
6389 3147 3719 148 bellsouth.net, inc.
4766 2944 11557 900 Korea Telecom (KIX)
17974 2429 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2261 386 206 TVCABLE BOGOTA
28573 2184 1285 66 NET Servicos de Comunicao S.A
18566 2083 382 180 Covad Communications
22773 1938 2932 131 Cox Communications, Inc.
1785 1931 678 125 PaeTec Communications, Inc.
7545 1807 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 3147 2999 bellsouth.net, inc.
17974 2429 2383 PT TELEKOMUNIKASI INDONESIA
28573 2184 2118 NET Servicos de Comunicao S.A
10620 2261 2055 TVCABLE BOGOTA
4766 2944 2044 Korea Telecom (KIX)
18566 2083 1903 Covad Communications
22773 1938 1807 Cox Communications, Inc.
1785 1931 1806 PaeTec Communications, Inc.
8402 1793 1777 Corbina telecom
7545 1807 1718 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
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
65.111.1.0/24 32258 SDN Global
66.171.32.0/20 705 UUNET Technologies, 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 /11:88 /12:242
/13:478 /14:858 /15:1553 /16:12452 /17:6556 /18:10881
/19:21474 /20:30781 /21:32814 /22:43570 /23:40538 /24:227036
/25:1363 /26:1731 /27:892 /28:17 /29:22 /30:5
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2619 3192 Windstream Communications Inc
18566 2033 2083 Covad Communications
6389 1781 3147 bellsouth.net, inc.
8402 1507 1793 Corbina telecom
30036 1278 1364 Mediacom Communications Corp
22773 1273 1938 Cox Communications, Inc.
11492 1146 1181 Cable One
6503 1054 1536 AVANTEL, S.A.
1785 1017 1931 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)
----------------------------------------------
1:654 2:776 3:1 4:13 5:652 6:3
8:489 12:1956 13:3 14:702 15:11 16:3
17:6 20:27 23:214 24:1775 27:1415 31:1285
32:54 33:2 34:2 36:7 37:1057 38:846
39:2 40:140 41:2613 42:179 44:3 46:1682
47:2 49:505 50:614 52:12 54:27 55:5
57:28 58:1067 59:550 60:234 61:1284 62:1033
63:2023 64:4336 65:2199 66:4504 67:2096 68:1165
69:3235 70:927 71:556 72:1891 74:2620 75:481
76:299 77:983 78:1024 79:506 80:1227 81:980
82:624 83:542 84:527 85:1161 86:478 87:955
88:355 89:1747 90:305 91:5345 92:588 93:1512
94:2005 95:1403 96:408 97:323 98:965 99:40
100:31 101:294 103:1859 105:516 106:119 107:203
108:482 109:1664 110:812 111:972 112:458 113:734
114:640 115:900 116:887 117:779 118:962 119:1244
120:370 121:677 122:1735 123:1178 124:1325 125:1291
128:565 129:201 130:294 131:665 132:317 133:143
134:254 135:62 136:215 137:239 138:340 139:167
140:493 141:292 142:499 143:360 144:491 145:86
146:526 147:275 148:739 149:330 150:155 151:220
152:396 153:183 154:22 155:437 156:226 157:375
158:279 159:673 160:335 161:417 162:369 163:191
164:581 165:452 166:479 167:561 168:980 169:130
170:971 171:149 172:6 173:1692 174:630 175:458
176:744 177:1440 178:1682 180:1358 181:178 182:1118
183:304 184:638 185:96 186:2065 187:1428 188:1774
189:1600 190:5974 192:6063 193:5424 194:4243 195:3583
196:1233 197:262 198:3958 199:5118 200:6015 201:1977
202:8824 203:8712 204:4440 205:2554 206:2759 207:2793
208:4079 209:3648 210:2882 211:1530 212:2133 213:1868
214:893 215:74 216:5209 217:1601 218:587 219:309
220:1258 221:533 222:336 223:419
End of report
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