* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 05 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 434914
Prefixes after maximum aggregation: 180333
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 213363
Total ASes present in the Internet Routing Table: 42773
Prefixes per ASN: 10.17
Origin-only ASes present in the Internet Routing Table: 33891
Origin ASes announcing only one prefix: 15827
Transit ASes present in the Internet Routing Table: 5703
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: 1140
Unregistered ASNs in the Routing Table: 414
Number of 32-bit ASNs allocated by the RIRs: 3549
Number of 32-bit ASNs visible in the Routing Table: 3179
Prefixes from 32-bit ASNs in the Routing Table: 8592
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 144
Number of addresses announced to Internet: 2616149452
Equivalent to 155 /8s, 239 /16s and 69 /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: 94.0
Total number of prefixes smaller than registry allocations: 153388
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104788
Total APNIC prefixes after maximum aggregation: 32657
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105653
Unique aggregates announced from the APNIC address blocks: 43271
APNIC Region origin ASes present in the Internet Routing Table: 4802
APNIC Prefixes per ASN: 22.00
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 788
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: 378
Number of APNIC addresses announced to Internet: 715593216
Equivalent to 42 /8s, 167 /16s and 22 /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: 155264
Total ARIN prefixes after maximum aggregation: 78429
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156007
Unique aggregates announced from the ARIN address blocks: 70003
ARIN Region origin ASes present in the Internet Routing Table: 15322
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5780
ARIN Region transit ASes present in the Internet Routing Table: 1599
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: 1087542144
Equivalent to 64 /8s, 210 /16s and 147 /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: 111650
Total RIPE prefixes after maximum aggregation: 57989
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 114511
Unique aggregates announced from the RIPE address blocks: 73426
RIPE Region origin ASes present in the Internet Routing Table: 16988
RIPE Prefixes per ASN: 6.74
RIPE Region origin ASes announcing only one prefix: 8135
RIPE Region transit ASes present in the Internet Routing Table: 2767
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2059
Number of RIPE addresses announced to Internet: 649477924
Equivalent to 38 /8s, 182 /16s and 63 /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: 44794
Total LACNIC prefixes after maximum aggregation: 8913
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 48304
Unique aggregates announced from the LACNIC address blocks: 22931
LACNIC Region origin ASes present in the Internet Routing Table: 1737
LACNIC Prefixes per ASN: 27.81
LACNIC Region origin ASes announcing only one prefix: 494
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: 718
Number of LACNIC addresses announced to Internet: 120206376
Equivalent to 7 /8s, 42 /16s and 52 /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: 9714
Total AfriNIC prefixes after maximum aggregation: 2292
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 10295
Unique aggregates announced from the AfriNIC address blocks: 3607
AfriNIC Region origin ASes present in the Internet Routing Table: 579
AfriNIC Prefixes per ASN: 17.78
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 43019520
Equivalent to 2 /8s, 144 /16s and 109 /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 2923 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1808 301 87 TPG Internet Pty Ltd
4755 1624 374 159 TATA Communications formerly
9829 1411 1155 42 BSNL National Internet Backbo
9583 1182 88 499 Sify Limited
7552 1140 1062 11 Vietel Corporation
4808 1125 2056 317 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1033 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 3195 994 218 Windstream Communications Inc
6389 3143 3719 147 bellsouth.net, inc.
18566 2082 382 180 Covad Communications
22773 1940 2932 131 Cox Communications, Inc.
1785 1935 678 124 PaeTec Communications, Inc.
20115 1684 1606 624 Charter Communications
4323 1590 1153 394 Time Warner Telecom
30036 1365 283 751 Mediacom Communications Corp
7018 1277 10275 845 AT&T WorldNet Services
7011 1223 334 693 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 1811 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
12479 856 777 64 Uni2 Autonomous System
34984 851 210 217 BILISIM TELEKOM
13188 743 95 131 Educational Network
31148 738 38 13 FreeNet ISP
6830 718 2313 437 UPC Distribution Services
20940 706 227 546 Akamai Technologies European
58113 613 68 372 LIR DATACENTER TELECOM SRL
8551 602 367 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 2261 386 206 TVCABLE BOGOTA
28573 2175 1288 70 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
8151 1602 3024 355 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 755 77 92 Telconet S.A
3816 660 309 71 Empresa Nacional de Telecomun
11172 602 85 68 Servicios Alestra S.A de C.V
18881 602 716 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 874 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 538 958 13 TEDATA
6713 519 666 20 Itissalat Al-MAGHRIB
24835 289 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
33776 191 12 13 Starcomms Nigeria Limited
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 3195 994 218 Windstream Communications Inc
6389 3143 3719 147 bellsouth.net, inc.
4766 2923 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2261 386 206 TVCABLE BOGOTA
28573 2175 1288 70 NET Servicos de Comunicao S.A
18566 2082 382 180 Covad Communications
22773 1940 2932 131 Cox Communications, Inc.
1785 1935 678 124 PaeTec Communications, Inc.
8402 1811 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 3143 2996 bellsouth.net, inc.
17974 2431 2385 PT TELEKOMUNIKASI INDONESIA
28573 2175 2105 NET Servicos de Comunicao S.A
10620 2261 2055 TVCABLE BOGOTA
4766 2923 2023 Korea Telecom (KIX)
18566 2082 1902 Covad Communications
1785 1935 1811 PaeTec Communications, Inc.
22773 1940 1809 Cox Communications, Inc.
8402 1811 1795 Corbina telecom
7545 1808 1721 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
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 /12:243
/13:477 /14:856 /15:1550 /16:12464 /17:6560 /18:10906
/19:21490 /20:30759 /21:32876 /22:43778 /23:40596 /24:227946
/25:1357 /26:1736 /27:866 /28:185 /29:79 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2619 3195 Windstream Communications Inc
18566 2032 2082 Covad Communications
6389 1780 3143 bellsouth.net, inc.
8402 1533 1811 Corbina telecom
30036 1276 1365 Mediacom Communications Corp
22773 1274 1940 Cox Communications, Inc.
11492 1146 1181 Cable One
6503 1055 1538 AVANTEL, S.A.
1785 1021 1935 PaeTec Communications, Inc.
7011 958 1223 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:649 2:750 3:1 4:13 5:665 6:3
8:485 12:1951 13:3 14:699 15:11 16:3
17:6 20:27 23:220 24:1784 27:1415 31:1297
32:54 33:2 34:2 36:7 37:1058 38:844
39:2 40:140 41:2694 42:179 44:3 46:1702
47:3 49:504 50:617 52:12 54:27 55:6
57:28 58:1066 59:551 60:234 61:1284 62:1026
63:2018 64:4327 65:2201 66:4497 67:2084 68:1182
69:3246 70:926 71:549 72:1891 74:2611 75:479
76:301 77:1022 78:997 79:506 80:1223 81:986
82:632 83:539 84:530 85:1157 86:482 87:952
88:353 89:1764 90:305 91:5348 92:589 93:1566
94:2019 95:1337 96:408 97:323 98:957 99:40
100:31 101:286 103:1876 105:516 106:119 107:203
108:488 109:1682 110:813 111:970 112:462 113:736
114:642 115:897 116:886 117:778 118:967 119:1244
120:378 121:679 122:1730 123:1179 124:1328 125:1291
128:559 129:202 130:293 131:639 132:318 133:143
134:254 135:62 136:215 137:236 138:343 139:167
140:182 141:295 142:508 143:376 144:491 145:81
146:521 147:283 148:737 149:330 150:153 151:221
152:398 153:183 154:22 155:441 156:226 157:374
158:256 159:675 160:334 161:412 162:372 163:190
164:582 165:450 166:480 167:561 168:986 169:130
170:975 171:153 172:6 173:1706 174:617 175:460
176:870 177:1450 178:1699 180:1342 181:178 182:1118
183:306 184:624 185:108 186:2077 187:1441 188:1795
189:1609 190:6036 192:6075 193:5815 194:4639 195:3658
196:1234 197:279 198:3960 199:5126 200:6007 201:1988
202:8807 203:8730 204:4437 205:2549 206:2754 207:2804
208:4070 209:3650 210:2905 211:1530 212:2101 213:1870
214:892 215:74 216:5178 217:1605 218:591 219:315
220:1258 221:543 222:335 223:361
End of report
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