* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 30 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 432854
Prefixes after maximum aggregation: 180209
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212595
Total ASes present in the Internet Routing Table: 42710
Prefixes per ASN: 10.13
Origin-only ASes present in the Internet Routing Table: 33863
Origin ASes announcing only one prefix: 15805
Transit ASes present in the Internet Routing Table: 5689
Transit-only ASes present in the Internet Routing Table: 135
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: 1100
Unregistered ASNs in the Routing Table: 402
Number of 32-bit ASNs allocated by the RIRs: 3540
Number of 32-bit ASNs visible in the Routing Table: 3158
Prefixes from 32-bit ASNs in the Routing Table: 8537
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 142
Number of addresses announced to Internet: 2613543364
Equivalent to 155 /8s, 199 /16s and 129 /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: 152533
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104814
Total APNIC prefixes after maximum aggregation: 32681
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105670
Unique aggregates announced from the APNIC address blocks: 43269
APNIC Region origin ASes present in the Internet Routing Table: 4800
APNIC Prefixes per ASN: 22.01
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 787
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: 372
Number of APNIC addresses announced to Internet: 715331840
Equivalent to 42 /8s, 163 /16s and 25 /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: 155572
Total ARIN prefixes after maximum aggregation: 78546
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156285
Unique aggregates announced from the ARIN address blocks: 70159
ARIN Region origin ASes present in the Internet Routing Table: 15310
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5767
ARIN Region transit ASes present in the Internet Routing Table: 1595
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: 1087421824
Equivalent to 64 /8s, 208 /16s and 189 /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: 110453
Total RIPE prefixes after maximum aggregation: 57910
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113338
Unique aggregates announced from the RIPE address blocks: 73033
RIPE Region origin ASes present in the Internet Routing Table: 16973
RIPE Prefixes per ASN: 6.68
RIPE Region origin ASes announcing only one prefix: 8124
RIPE Region transit ASes present in the Internet Routing Table: 2747
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: 2046
Number of RIPE addresses announced to Internet: 648515108
Equivalent to 38 /8s, 167 /16s and 142 /24s
Percentage of available RIPE address space announced: 94.3
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: 43855
Total LACNIC prefixes after maximum aggregation: 8725
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 47387
Unique aggregates announced from the LACNIC address blocks: 22473
LACNIC Region origin ASes present in the Internet Routing Table: 1725
LACNIC Prefixes per ASN: 27.47
LACNIC Region origin ASes announcing only one prefix: 494
LACNIC Region transit ASes present in the Internet Routing Table: 328
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: 716
Number of LACNIC addresses announced to Internet: 118942240
Equivalent to 7 /8s, 22 /16s and 234 /24s
Percentage of available LACNIC address space announced: 70.9
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: 9511
Total AfriNIC prefixes after maximum aggregation: 2294
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 10032
Unique aggregates announced from the AfriNIC address blocks: 3538
AfriNIC Region origin ASes present in the Internet Routing Table: 578
AfriNIC Prefixes per ASN: 17.36
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 43031296
Equivalent to 2 /8s, 144 /16s and 155 /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 2947 11557 900 Korea Telecom (KIX)
17974 2429 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1811 301 90 TPG Internet Pty Ltd
4755 1625 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 1126 2056 317 CNCGROUP IP network: China169
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1032 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 3145 3719 148 bellsouth.net, inc.
18566 2083 382 180 Covad Communications
22773 1938 2932 131 Cox Communications, Inc.
1785 1930 678 124 PaeTec Communications, Inc.
20115 1684 1607 625 Charter Communications
4323 1589 1153 394 Time Warner Telecom
30036 1368 280 748 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 1708 544 16 Corbina telecom
12479 856 777 64 Uni2 Autonomous System
34984 849 210 215 BILISIM TELEKOM
13188 742 94 132 Educational Network
31148 738 38 13 FreeNet ISP
6830 717 2313 436 UPC Distribution Services
20940 705 227 545 Akamai Technologies European
8551 603 367 39 Bezeq International
58113 603 68 366 LIR DATACENTER TELECOM SRL
2118 528 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 2183 1285 66 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
6503 1536 435 67 AVANTEL, S.A.
8151 1476 3038 354 UniNet S.A. de C.V.
27947 734 77 92 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 873 274 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 519 666 20 Itissalat Al-MAGHRIB
8452 510 958 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 182 697 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 3145 3719 148 bellsouth.net, inc.
4766 2947 11557 900 Korea Telecom (KIX)
17974 2429 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2261 386 206 TVCABLE BOGOTA
28573 2183 1285 66 NET Servicos de Comunicao S.A
18566 2083 382 180 Covad Communications
22773 1938 2932 131 Cox Communications, Inc.
1785 1930 678 124 PaeTec Communications, Inc.
7545 1811 301 90 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 3145 2997 bellsouth.net, inc.
17974 2429 2383 PT TELEKOMUNIKASI INDONESIA
28573 2183 2117 NET Servicos de Comunicao S.A
10620 2261 2055 TVCABLE BOGOTA
4766 2947 2047 Korea Telecom (KIX)
18566 2083 1903 Covad Communications
22773 1938 1807 Cox Communications, Inc.
1785 1930 1806 PaeTec Communications, Inc.
7545 1811 1721 TPG Internet Pty Ltd
8402 1708 1692 Corbina telecom
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
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<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 Power Pulse
65.111.1.0/24 32258 SDN Global
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 /14:859 /15:1553 /16:12453 /17:6546 /18:10809
/19:21451 /20:30710 /21:32761 /22:43572 /23:40497 /24:226723
/25:1364 /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 1780 3145 bellsouth.net, inc.
8402 1415 1708 Corbina telecom
30036 1281 1368 Mediacom Communications Corp
22773 1273 1938 Cox Communications, Inc.
11492 1146 1181 Cable One
6503 1054 1536 AVANTEL, S.A.
1785 1016 1930 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 2:734 3:1 4:13 5:657 6:3
8:489 12:1955 13:3 14:699 15:11 16:3
17:6 20:27 23:214 24:1779 27:1416 31:1288
32:54 33:2 34:2 36:7 37:1055 38:845
39:2 40:140 41:2564 42:179 44:3 46:1688
47:3 49:514 50:616 52:12 54:27 55:7
57:28 58:1069 59:550 60:234 61:1282 62:1027
63:2020 64:4333 65:2199 66:4501 67:2088 68:1166
69:3238 70:926 71:556 72:1892 74:2622 75:479
76:299 77:983 78:1019 79:505 80:1227 81:980
82:626 83:540 84:527 85:1159 86:477 87:955
88:354 89:1748 90:305 91:5349 92:588 93:1574
94:2010 95:1207 96:408 97:323 98:967 99:40
100:31 101:293 103:1865 105:516 106:119 107:204
108:484 109:1667 110:811 111:972 112:458 113:736
114:643 115:901 116:888 117:775 118:962 119:1250
120:376 121:678 122:1735 123:1177 124:1327 125:1292
128:574 129:201 130:294 131:666 132:317 133:143
134:254 135:62 136:215 137:238 138:340 139:168
140:493 141:292 142:500 143:370 144:492 145:86
146:524 147:280 148:737 149:330 150:156 151:223
152:398 153:183 154:22 155:437 156:226 157:375
158:279 159:673 160:335 161:416 162:369 163:192
164:581 165:448 166:479 167:561 168:955 169:130
170:976 171:149 172:6 173:1681 174:632 175:458
176:891 177:1453 178:1682 180:1355 181:178 182:1122
183:304 184:639 185:103 186:2058 187:1442 188:1790
189:1600 190:5924 192:6067 193:5423 194:4263 195:3531
196:1228 197:262 198:3945 199:5119 200:5841 201:1972
202:8817 203:8718 204:4440 205:2551 206:2760 207:2794
208:4074 209:3647 210:2884 211:1529 212:2134 213:1870
214:894 215:74 216:5172 217:1602 218:588 219:310
220:1258 221:533 222:336 223:418
End of report
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