* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 11 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437372
Prefixes after maximum aggregation: 181170
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215425
Total ASes present in the Internet Routing Table: 42996
Prefixes per ASN: 10.17
Origin-only ASes present in the Internet Routing Table: 34019
Origin ASes announcing only one prefix: 15905
Transit ASes present in the Internet Routing Table: 5706
Transit-only ASes present in the Internet Routing Table: 140
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: 372
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 3633
Number of 32-bit ASNs visible in the Routing Table: 3271
Prefixes from 32-bit ASNs in the Routing Table: 8927
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 172
Number of addresses announced to Internet: 2621950092
Equivalent to 156 /8s, 71 /16s and 200 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 154239
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105395
Total APNIC prefixes after maximum aggregation: 32876
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106369
Unique aggregates announced from the APNIC address blocks: 43542
APNIC Region origin ASes present in the Internet Routing Table: 4812
APNIC Prefixes per ASN: 22.10
APNIC Region origin ASes announcing only one prefix: 1247
APNIC Region transit ASes present in the Internet Routing Table: 805
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 404
Number of APNIC addresses announced to Internet: 717156864
Equivalent to 42 /8s, 190 /16s and 242 /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: 155154
Total ARIN prefixes after maximum aggregation: 78535
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155783
Unique aggregates announced from the ARIN address blocks: 70772
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: 5810
ARIN Region transit ASes present in the Internet Routing Table: 1583
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: 1090666880
Equivalent to 65 /8s, 2 /16s and 65 /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: 112637
Total RIPE prefixes after maximum aggregation: 58387
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115679
Unique aggregates announced from the RIPE address blocks: 74165
RIPE Region origin ASes present in the Internet Routing Table: 17022
RIPE Prefixes per ASN: 6.80
RIPE Region origin ASes announcing only one prefix: 8164
RIPE Region transit ASes present in the Internet Routing Table: 2768
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2116
Number of RIPE addresses announced to Internet: 650124260
Equivalent to 38 /8s, 192 /16s and 27 /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: 45304
Total LACNIC prefixes after maximum aggregation: 8957
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 48956
Unique aggregates announced from the LACNIC address blocks: 23145
LACNIC Region origin ASes present in the Internet Routing Table: 1754
LACNIC Prefixes per ASN: 27.91
LACNIC Region origin ASes announcing only one prefix: 495
LACNIC Region transit ASes present in the Internet Routing Table: 335
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 728
Number of LACNIC addresses announced to Internet: 119868200
Equivalent to 7 /8s, 37 /16s and 11 /24s
Percentage of available LACNIC address space announced: 71.4
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: 9835
Total AfriNIC prefixes after maximum aggregation: 2362
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 10413
Unique aggregates announced from the AfriNIC address blocks: 3648
AfriNIC Region origin ASes present in the Internet Routing Table: 586
AfriNIC Prefixes per ASN: 17.77
AfriNIC Region origin ASes announcing only one prefix: 189
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: 43841280
Equivalent to 2 /8s, 156 /16s and 247 /24s
Percentage of available AfriNIC address space announced: 43.6
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 11556 916 Korea Telecom (KIX)
17974 2484 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1818 301 88 TPG Internet Pty Ltd
4755 1663 381 175 TATA Communications formerly
9829 1415 1156 42 BSNL National Internet Backbo
9583 1200 89 502 Sify Limited
4808 1124 2040 316 CNCGROUP IP network: China169
7552 1098 1070 12 Vietel Corporation
9498 1052 310 74 BHARTI Airtel Ltd.
24560 1037 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 3114 3701 130 bellsouth.net, inc.
7029 2288 1265 212 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1955 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
20115 1686 1606 618 Charter Communications
4323 1594 1155 395 Time Warner Telecom
30036 1354 288 694 Mediacom Communications Corp
7018 1298 10550 858 AT&T WorldNet Services
7011 1205 320 684 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 1887 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 906 212 230 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 771 96 117 Educational Network
31148 744 38 14 FreeNet ISP
20940 736 242 575 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 656 367 39 Bezeq International
58113 633 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
28573 2280 1303 73 NET Servicos de Comunicao S.A
10620 2271 387 210 TVCABLE BOGOTA
7303 1673 1139 201 Telecom Argentina Stet-France
8151 1543 2900 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 672 309 71 Empresa Nacional de Telecomun
11172 602 86 66 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 883 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 540 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 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 181 697 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 3114 3701 130 bellsouth.net, inc.
4766 2947 11556 916 Korea Telecom (KIX)
17974 2484 829 53 PT TELEKOMUNIKASI INDONESIA
7029 2288 1265 212 Windstream Communications Inc
28573 2280 1303 73 NET Servicos de Comunicao S.A
10620 2271 387 210 TVCABLE BOGOTA
18566 2081 382 180 Covad Communications
22773 1955 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
8402 1887 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 2484 2431 PT TELEKOMUNIKASI INDONESIA
28573 2280 2207 NET Servicos de Comunicao S.A
7029 2288 2076 Windstream Communications Inc
10620 2271 2061 TVCABLE BOGOTA
4766 2947 2031 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1887 1871 Corbina telecom
22773 1955 1824 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
64.66.32.0/20 18864 >>UNKNOWN<<
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.
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 /14:860 /15:1548 /16:12471 /17:6566 /18:10917
/19:21620 /20:31042 /21:33087 /22:44309 /23:40692 /24:229215
/25:1318 /26:1696 /27:870 /28:179 /29:74 /30:17
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1771 3114 bellsouth.net, inc.
7029 1644 2288 Windstream Communications Inc
8402 1606 1887 Corbina telecom
22773 1286 1955 Cox Communications, Inc.
30036 1253 1354 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1028 1946 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
7011 954 1205 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:696 2:772 3:3 4:13 5:717 6:3
8:484 12:1926 13:3 14:698 15:11 16:3
17:6 20:27 23:220 24:1795 27:1468 31:1120
32:54 33:2 34:2 36:11 37:1168 38:838
39:2 40:139 41:2665 42:181 44:3 46:1725
47:3 49:532 50:651 52:12 54:28 55:9
57:28 58:1072 59:561 60:234 61:1319 62:1033
63:2042 64:4303 65:2161 66:4279 67:2102 68:1125
69:3313 70:862 71:543 72:1885 74:2544 75:411
76:295 77:1055 78:1039 79:539 80:1221 81:976
82:659 83:536 84:528 85:1165 86:467 87:974
88:359 89:1747 90:303 91:5385 92:613 93:1626
94:1989 95:1673 96:489 97:337 98:969 99:52
100:31 101:302 103:1971 105:583 106:126 107:208
108:503 109:1745 110:839 111:997 112:470 113:738
114:680 115:919 116:898 117:778 118:961 119:1277
120:332 121:702 122:1733 123:1184 124:1316 125:1303
128:560 129:202 130:309 131:623 132:314 133:142
134:254 135:62 136:211 137:237 138:342 139:160
140:172 141:312 142:514 143:375 144:484 145:89
146:519 147:298 148:732 149:335 150:162 151:255
152:398 153:188 154:24 155:444 156:233 157:379
158:257 159:694 160:336 161:421 162:367 163:192
164:583 165:461 166:458 167:570 168:1004 169:131
170:1002 171:162 172:4 173:1517 174:752 175:417
176:959 177:1552 178:1706 180:1364 181:190 182:1166
183:296 184:654 185:159 186:2184 187:1453 188:1923
189:1568 190:6207 192:6118 193:5723 194:4497 195:3599
196:1238 197:301 198:4062 199:5173 200:5913 201:2030
202:8782 203:8737 204:4479 205:2547 206:2788 207:2770
208:4079 209:3533 210:2902 211:1561 212:1997 213:1883
214:903 215:90 216:5058 217:1582 218:598 219:324
220:1261 221:528 222:322 223:400
End of report
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