* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 16 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437066
Prefixes after maximum aggregation: 181518
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215978
Total ASes present in the Internet Routing Table: 43039
Prefixes per ASN: 10.16
Origin-only ASes present in the Internet Routing Table: 34028
Origin ASes announcing only one prefix: 15898
Transit ASes present in the Internet Routing Table: 5725
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 35
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: 3654
Number of 32-bit ASNs visible in the Routing Table: 3286
Prefixes from 32-bit ASNs in the Routing Table: 8992
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 186
Number of addresses announced to Internet: 2625067532
Equivalent to 156 /8s, 119 /16s and 90 /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: 153942
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105548
Total APNIC prefixes after maximum aggregation: 33015
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 106552
Unique aggregates announced from the APNIC address blocks: 43631
APNIC Region origin ASes present in the Internet Routing Table: 4817
APNIC Prefixes per ASN: 22.12
APNIC Region origin ASes announcing only one prefix: 1246
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: 407
Number of APNIC addresses announced to Internet: 717384832
Equivalent to 42 /8s, 194 /16s and 108 /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: 154952
Total ARIN prefixes after maximum aggregation: 78565
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155567
Unique aggregates announced from the ARIN address blocks: 70724
ARIN Region origin ASes present in the Internet Routing Table: 15380
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5806
ARIN Region transit ASes present in the Internet Routing Table: 1587
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: 17
Number of ARIN addresses announced to Internet: 1091581312
Equivalent to 65 /8s, 16 /16s and 53 /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: 112178
Total RIPE prefixes after maximum aggregation: 58403
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 115146
Unique aggregates announced from the RIPE address blocks: 74286
RIPE Region origin ASes present in the Internet Routing Table: 17023
RIPE Prefixes per ASN: 6.76
RIPE Region origin ASes announcing only one prefix: 8158
RIPE Region transit ASes present in the Internet Routing Table: 2779
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: 2122
Number of RIPE addresses announced to Internet: 650350820
Equivalent to 38 /8s, 195 /16s and 144 /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: 45375
Total LACNIC prefixes after maximum aggregation: 9095
LACNIC Deaggregation factor: 4.99
Prefixes being announced from the LACNIC address blocks: 49047
Unique aggregates announced from the LACNIC address blocks: 23334
LACNIC Region origin ASes present in the Internet Routing Table: 1772
LACNIC Prefixes per ASN: 27.68
LACNIC Region origin ASes announcing only one prefix: 503
LACNIC Region transit ASes present in the Internet Routing Table: 338
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: 734
Number of LACNIC addresses announced to Internet: 121309736
Equivalent to 7 /8s, 59 /16s and 10 /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: 9894
Total AfriNIC prefixes after maximum aggregation: 2388
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 10568
Unique aggregates announced from the AfriNIC address blocks: 3836
AfriNIC Region origin ASes present in the Internet Routing Table: 589
AfriNIC Prefixes per ASN: 17.94
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 44142848
Equivalent to 2 /8s, 161 /16s and 145 /24s
Percentage of available AfriNIC address space announced: 43.9
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 2473 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1819 301 88 TPG Internet Pty Ltd
4755 1668 382 176 TATA Communications formerly
9829 1422 1156 42 BSNL National Internet Backbo
9583 1239 93 523 Sify Limited
7552 1129 1070 12 Vietel Corporation
4808 1124 2040 316 CNCGROUP IP network: China169
9498 1049 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 2288 1265 212 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1957 2931 128 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
20115 1686 1606 626 Charter Communications
4323 1597 1155 394 Time Warner Telecom
30036 1343 286 702 Mediacom Communications Corp
7018 1299 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 1859 544 16 Corbina telecom
34984 910 212 231 BILISIM TELEKOM
12479 855 777 64 Uni2 Autonomous System
13188 770 96 112 Educational Network
31148 743 38 14 FreeNet ISP
20940 730 245 577 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 655 367 39 Bezeq International
58113 633 70 378 LIR DATACENTER TELECOM SRL
34744 598 186 35 SC GVM SISTEM 2003 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 2128 1299 83 NET Servicos de Comunicao S.A
7303 1670 1139 204 Telecom Argentina Stet-France
8151 1532 2876 364 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 770 85 95 Telconet S.A
18881 750 716 18 Global Village Telecom
3816 672 306 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 890 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 540 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
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
16637 191 696 90 MTN Network Solutions
29975 191 667 21 Vodacom
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 2473 829 53 PT TELEKOMUNIKASI INDONESIA
7029 2288 1265 212 Windstream Communications Inc
10620 2275 388 212 TVCABLE BOGOTA
28573 2128 1299 83 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1957 2931 128 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
8402 1859 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 2473 2420 PT TELEKOMUNIKASI INDONESIA
7029 2288 2076 Windstream Communications Inc
10620 2275 2063 TVCABLE BOGOTA
28573 2128 2045 NET Servicos de Comunicao S.A
4766 2954 2030 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1859 1843 Corbina telecom
22773 1957 1829 Cox Communications, Inc.
1785 1946 1822 PaeTec Communications, Inc.
7545 1819 1731 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 /12:246
/13:478 /14:863 /15:1555 /16:12506 /17:6565 /18:10936
/19:21618 /20:31121 /21:33165 /22:44390 /23:40721 /24:228584
/25:1314 /26:1698 /27:867 /28:183 /29:72 /30:17
/31:0 /32:20
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 1644 2288 Windstream Communications Inc
8402 1582 1859 Corbina telecom
22773 1290 1957 Cox Communications, Inc.
30036 1240 1343 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)
----------------------------------------------
1:698 2:765 3:3 4:13 5:719 6:3
8:487 12:1924 13:3 14:699 15:11 16:3
17:6 20:27 23:223 24:1795 27:1483 31:1121
32:54 33:2 34:2 36:9 37:1166 38:840
39:2 40:138 41:2683 42:181 44:3 46:1729
47:1 49:536 50:649 52:12 54:28 55:8
57:28 58:1074 59:560 60:240 61:1314 62:1026
63:2043 64:4305 65:2159 66:4306 67:2082 68:1119
69:3305 70:862 71:537 72:1877 74:2549 75:404
76:295 77:1049 78:1035 79:536 80:1225 81:986
82:658 83:539 84:529 85:1163 86:468 87:963
88:364 89:1727 90:290 91:5381 92:606 93:1664
94:1989 95:1531 96:489 97:339 98:968 99:52
100:31 101:301 103:2005 105:528 106:128 107:207
108:504 109:1787 110:844 111:992 112:465 113:746
114:681 115:926 116:898 117:777 118:967 119:1282
120:328 121:701 122:1718 123:1170 124:1320 125:1300
128:553 129:202 130:309 131:622 132:326 133:142
134:255 135:62 136:216 137:234 138:339 139:160
140:214 141:307 142:515 143:381 144:476 145:89
146:525 147:305 148:732 149:335 150:162 151:258
152:399 153:188 154:24 155:416 156:232 157:380
158:257 159:698 160:330 161:422 162:367 163:195
164:585 165:461 166:458 167:570 168:1005 169:131
170:1005 171:162 172:4 173:1516 174:615 175:418
176:1042 177:1575 178:1700 180:1371 181:198 182:1165
183:305 184:636 185:167 186:2186 187:1443 188:1920
189:1565 190:6225 192:6127 193:5506 194:4327 195:3463
196:1249 197:318 198:4069 199:5175 200:5991 201:2032
202:8756 203:8715 204:4470 205:2542 206:2792 207:2771
208:4085 209:3489 210:2907 211:1559 212:2006 213:1882
214:884 215:90 216:5039 217:1576 218:598 219:325
220:1266 221:527 222:324 223:401
End of report
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