* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 15 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437774
Prefixes after maximum aggregation: 181540
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215984
Total ASes present in the Internet Routing Table: 43025
Prefixes per ASN: 10.17
Origin-only ASes present in the Internet Routing Table: 34021
Origin ASes announcing only one prefix: 15905
Transit ASes present in the Internet Routing Table: 5729
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 378
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 3652
Number of 32-bit ASNs visible in the Routing Table: 3275
Prefixes from 32-bit ASNs in the Routing Table: 8963
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 183
Number of addresses announced to Internet: 2624039308
Equivalent to 156 /8s, 103 /16s and 169 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
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: 154090
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105570
Total APNIC prefixes after maximum aggregation: 32950
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 106574
Unique aggregates announced from the APNIC address blocks: 43631
APNIC Region origin ASes present in the Internet Routing Table: 4813
APNIC Prefixes per ASN: 22.14
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 806
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 405
Number of APNIC addresses announced to Internet: 717168896
Equivalent to 42 /8s, 191 /16s and 33 /24s
Percentage of available APNIC address space announced: 83.8
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: 155189
Total ARIN prefixes after maximum aggregation: 78588
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155806
Unique aggregates announced from the ARIN address blocks: 70793
ARIN Region origin ASes present in the Internet Routing Table: 15380
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5806
ARIN Region transit ASes present in the Internet Routing Table: 1585
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: 17
Number of ARIN addresses announced to Internet: 1090910848
Equivalent to 65 /8s, 5 /16s and 250 /24s
Percentage of available ARIN address space announced: 57.7
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: 112794
Total RIPE prefixes after maximum aggregation: 58458
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115762
Unique aggregates announced from the RIPE address blocks: 74286
RIPE Region origin ASes present in the Internet Routing Table: 17026
RIPE Prefixes per ASN: 6.80
RIPE Region origin ASes announcing only one prefix: 8161
RIPE Region transit ASes present in the Internet Routing Table: 2782
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: 2115
Number of RIPE addresses announced to Internet: 650298340
Equivalent to 38 /8s, 194 /16s and 195 /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: 45506
Total LACNIC prefixes after maximum aggregation: 9096
LACNIC Deaggregation factor: 5.00
Prefixes being announced from the LACNIC address blocks: 49172
Unique aggregates announced from the LACNIC address blocks: 23315
LACNIC Region origin ASes present in the Internet Routing Table: 1774
LACNIC Prefixes per ASN: 27.72
LACNIC Region origin ASes announcing only one prefix: 504
LACNIC Region transit ASes present in the Internet Routing Table: 339
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 732
Number of LACNIC addresses announced to Internet: 121317672
Equivalent to 7 /8s, 59 /16s and 41 /24s
Percentage of available LACNIC address space announced: 72.3
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: 9625
Total AfriNIC prefixes after maximum aggregation: 2396
AfriNIC Deaggregation factor: 4.02
Prefixes being announced from the AfriNIC address blocks: 10277
Unique aggregates announced from the AfriNIC address blocks: 3795
AfriNIC Region origin ASes present in the Internet Routing Table: 590
AfriNIC Prefixes per ASN: 17.42
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 44051712
Equivalent to 2 /8s, 160 /16s and 45 /24s
Percentage of available AfriNIC address space announced: 43.8
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 2954 11557 924 Korea Telecom (KIX)
17974 2483 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1818 301 88 TPG Internet Pty Ltd
4755 1667 382 176 TATA Communications formerly
9829 1423 1156 42 BSNL National Internet Backbo
9583 1200 89 502 Sify Limited
7552 1145 1070 12 Vietel Corporation
4808 1125 2040 316 CNCGROUP IP network: China169
9498 1051 310 74 BHARTI Airtel Ltd.
24560 1036 385 160 Bharti Airtel Ltd., Telemedia
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
6389 3109 3701 127 bellsouth.net, inc.
7029 2287 1265 212 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1957 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
20115 1687 1607 624 Charter Communications
4323 1597 1155 394 Time Warner Telecom
30036 1357 288 697 Mediacom Communications Corp
7018 1302 10550 860 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 1855 544 16 Corbina telecom
2118 1050 97 13 EUnet/RELCOM Autonomous Syste
34984 909 212 233 BILISIM TELEKOM
12479 868 777 64 Uni2 Autonomous System
13188 773 96 112 Educational Network
31148 744 38 14 FreeNet ISP
20940 726 242 575 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 655 367 39 Bezeq International
58113 634 70 378 LIR DATACENTER TELECOM SRL
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 2275 388 212 TVCABLE BOGOTA
28573 2261 1302 78 NET Servicos de Comunicao S.A
7303 1670 1139 204 Telecom Argentina Stet-France
8151 1533 2876 364 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 772 85 96 Telconet S.A
18881 750 716 18 Global Village Telecom
3816 671 306 85 Empresa Nacional de Telecomun
11172 603 86 67 Servicios Alestra S.A de C.V
7738 587 1242 34 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 888 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
6713 495 600 19 Itissalat Al-MAGHRIB
8452 294 958 13 TEDATA
24835 290 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 187 697 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
6389 3109 3701 127 bellsouth.net, inc.
4766 2954 11557 924 Korea Telecom (KIX)
17974 2483 829 53 PT TELEKOMUNIKASI INDONESIA
7029 2287 1265 212 Windstream Communications Inc
10620 2275 388 212 TVCABLE BOGOTA
28573 2261 1302 78 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1957 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
8402 1855 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
17974 2483 2430 PT TELEKOMUNIKASI INDONESIA
28573 2261 2183 NET Servicos de Comunicao S.A
7029 2287 2075 Windstream Communications Inc
10620 2275 2063 TVCABLE BOGOTA
4766 2954 2030 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1855 1839 Corbina telecom
22773 1957 1826 Cox Communications, Inc.
1785 1946 1822 PaeTec Communications, Inc.
7545 1818 1730 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
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
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
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
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
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
31.210.16.0/22 15657 Neural Networks ASN
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
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 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 /12:245
/13:478 /14:859 /15:1548 /16:12511 /17:6581 /18:10932
/19:21638 /20:31119 /21:33118 /22:44416 /23:40719 /24:229289
/25:1313 /26:1696 /27:872 /28:183 /29:74 /30:17
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1771 3109 bellsouth.net, inc.
7029 1643 2287 Windstream Communications Inc
8402 1579 1855 Corbina telecom
22773 1287 1957 Cox Communications, Inc.
30036 1254 1357 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1028 1946 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
7011 955 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:694 2:763 3:3 4:13 5:718 6:3
8:486 12:1923 13:3 14:700 15:11 16:3
17:6 20:27 23:223 24:1795 27:1483 31:1120
32:54 33:2 34:2 36:10 37:1168 38:841
39:2 40:139 41:2565 42:181 44:3 46:1737
47:1 49:536 50:652 52:12 54:28 55:8
57:28 58:1075 59:558 60:240 61:1319 62:1036
63:2034 64:4306 65:2161 66:4294 67:2082 68:1117
69:3310 70:862 71:537 72:1879 74:2546 75:414
76:294 77:1049 78:1038 79:538 80:1219 81:989
82:658 83:538 84:529 85:1167 86:467 87:974
88:364 89:1737 90:303 91:5381 92:609 93:1680
94:1990 95:1533 96:489 97:339 98:968 99:52
100:31 101:303 103:1999 105:528 106:128 107:207
108:503 109:1776 110:847 111:994 112:465 113:746
114:680 115:925 116:902 117:781 118:963 119:1274
120:332 121:701 122:1721 123:1186 124:1315 125:1302
128:551 129:202 130:310 131:645 132:326 133:142
134:255 135:62 136:216 137:235 138:342 139:160
140:196 141:308 142:515 143:373 144:474 145:89
146:523 147:297 148:733 149:335 150:162 151:255
152:399 153:188 154:24 155:446 156:232 157:379
158:257 159:698 160:335 161:422 162:367 163:193
164:586 165:461 166:458 167:570 168:1005 169:131
170:1005 171:161 172:4 173:1519 174:753 175:418
176:1041 177:1557 178:1708 180:1371 181:193 182:1164
183:305 184:636 185:158 186:2195 187:1427 188:1925
189:1566 190:6216 192:6125 193:5723 194:4496 195:3596
196:1249 197:319 198:4077 199:5160 200:5995 201:2046
202:8790 203:8719 204:4470 205:2539 206:2791 207:2769
208:4080 209:3528 210:2903 211:1561 212:2006 213:1884
214:898 215:90 216:5051 217:1584 218:597 219:325
220:1264 221:528 222:318 223:402
End of report
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