* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 01 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 441047
Prefixes after maximum aggregation: 181780
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 216802
Total ASes present in the Internet Routing Table: 43184
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 34113
Origin ASes announcing only one prefix: 15905
Transit ASes present in the Internet Routing Table: 5741
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 32
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 388
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 3719
Number of 32-bit ASNs visible in the Routing Table: 3330
Prefixes from 32-bit ASNs in the Routing Table: 9158
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2613402604
Equivalent to 155 /8s, 197 /16s and 91 /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: 94.2
Total number of prefixes smaller than registry allocations: 155633
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105962
Total APNIC prefixes after maximum aggregation: 33053
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 107009
Unique aggregates announced from the APNIC address blocks: 43813
APNIC Region origin ASes present in the Internet Routing Table: 4819
APNIC Prefixes per ASN: 22.21
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 808
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: 417
Number of APNIC addresses announced to Internet: 717211776
Equivalent to 42 /8s, 191 /16s and 200 /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: 155572
Total ARIN prefixes after maximum aggregation: 78678
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156219
Unique aggregates announced from the ARIN address blocks: 70798
ARIN Region origin ASes present in the Internet Routing Table: 15446
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5837
ARIN Region transit ASes present in the Internet Routing Table: 1590
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1075728768
Equivalent to 64 /8s, 30 /16s and 81 /24s
Percentage of available ARIN address space announced: 56.9
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: 113216
Total RIPE prefixes after maximum aggregation: 58513
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 116292
Unique aggregates announced from the RIPE address blocks: 74750
RIPE Region origin ASes present in the Internet Routing Table: 17038
RIPE Prefixes per ASN: 6.83
RIPE Region origin ASes announcing only one prefix: 8143
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: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2158
Number of RIPE addresses announced to Internet: 653263460
Equivalent to 38 /8s, 240 /16s and 2 /24s
Percentage of available RIPE address space announced: 95.0
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: 46631
Total LACNIC prefixes after maximum aggregation: 9061
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 50363
Unique aggregates announced from the LACNIC address blocks: 23549
LACNIC Region origin ASes present in the Internet Routing Table: 1791
LACNIC Prefixes per ASN: 28.12
LACNIC Region origin ASes announcing only one prefix: 508
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: 732
Number of LACNIC addresses announced to Internet: 122606728
Equivalent to 7 /8s, 78 /16s and 212 /24s
Percentage of available LACNIC address space announced: 73.1
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: 10369
Total AfriNIC prefixes after maximum aggregation: 2423
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 10971
Unique aggregates announced from the AfriNIC address blocks: 3720
AfriNIC Region origin ASes present in the Internet Routing Table: 589
AfriNIC Prefixes per ASN: 18.63
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 44204544
Equivalent to 2 /8s, 162 /16s and 130 /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 2943 11557 921 Korea Telecom (KIX)
17974 2475 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1824 301 87 TPG Internet Pty Ltd
4755 1679 382 188 TATA Communications formerly
9829 1425 1150 45 BSNL National Internet Backbo
9583 1208 90 503 Sify Limited
7552 1166 1070 12 Vietel Corporation
4808 1100 2040 315 CNCGROUP IP network: China169
9498 1053 310 75 BHARTI Airtel Ltd.
24560 1044 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 3092 3699 115 bellsouth.net, inc.
7029 2289 1265 211 Windstream Communications Inc
18566 2081 382 183 Covad Communications
22773 1965 2931 128 Cox Communications, Inc.
1785 1949 678 123 PaeTec Communications, Inc.
20115 1688 1608 625 Charter Communications
4323 1599 1155 395 Time Warner Telecom
30036 1343 287 697 Mediacom Communications Corp
7018 1296 10550 857 AT&T WorldNet Services
7011 1201 315 683 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 1884 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 974 231 205 BILISIM TELEKOM
13188 842 99 22 Educational Network
12479 836 778 65 Uni2 Autonomous System
31148 755 39 18 FreeNet ISP
20940 743 252 589 Akamai Technologies European
8551 715 367 39 Bezeq International
6830 714 2313 435 UPC Distribution Services
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 2321 1315 81 NET Servicos de Comunicao S.A
10620 2308 395 224 TVCABLE BOGOTA
7303 1679 1147 206 Telecom Argentina Stet-France
8151 1539 2894 377 UniNet S.A. de C.V.
6503 1469 435 67 AVANTEL, S.A.
14754 907 114 72 Telgua S. A.
27947 773 85 95 Telconet S.A
18881 756 716 18 Global Village Telecom
3816 674 306 85 Empresa Nacional de Telecomun
11172 604 86 67 Servicios Alestra S.A de C.V
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
36998 1286 80 4 MOBITEL
24863 896 275 36 LINKdotNET AS number
8452 531 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 329 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 190 696 90 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 3092 3699 115 bellsouth.net, inc.
4766 2943 11557 921 Korea Telecom (KIX)
17974 2475 829 53 PT TELEKOMUNIKASI INDONESIA
28573 2321 1315 81 NET Servicos de Comunicao S.A
10620 2308 395 224 TVCABLE BOGOTA
7029 2289 1265 211 Windstream Communications Inc
18566 2081 382 183 Covad Communications
22773 1965 2931 128 Cox Communications, Inc.
1785 1949 678 123 PaeTec Communications, Inc.
8402 1884 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 2475 2422 PT TELEKOMUNIKASI INDONESIA
28573 2321 2240 NET Servicos de Comunicao S.A
10620 2308 2084 TVCABLE BOGOTA
7029 2289 2078 Windstream Communications Inc
4766 2943 2022 Korea Telecom (KIX)
18566 2081 1898 Covad Communications
8402 1884 1868 Corbina telecom
22773 1965 1837 Cox Communications, Inc.
1785 1949 1826 PaeTec Communications, Inc.
7545 1824 1737 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
128.0.16.0/21 43568 RIPE Network Coordination Cen
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
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
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 /8:17 /9:13 /10:29 /11:88 /12:246
/13:480 /14:866 /15:1545 /16:12540 /17:6579 /18:10936
/19:21730 /20:31142 /21:33305 /22:45080 /23:40754 /24:231436
/25:1365 /26:1735 /27:867 /28:181 /29:75 /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 1768 3092 bellsouth.net, inc.
7029 1644 2289 Windstream Communications Inc
8402 1612 1884 Corbina telecom
22773 1292 1965 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1237 1343 Mediacom Communications Corp
11492 1158 1195 Cable One
1785 1031 1949 PaeTec Communications, Inc.
6503 983 1469 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:670 2:799 3:3 4:13 5:735 6:3
8:487 12:1928 13:3 14:719 15:11 16:3
17:8 20:25 23:237 24:1799 27:1476 31:1125
32:54 33:2 34:5 36:10 37:1231 38:844
39:2 40:139 41:2682 42:180 44:4 46:1721
47:1 49:544 50:644 52:12 54:28 55:4
57:28 58:1077 59:557 60:251 61:1319 62:1009
63:2048 64:4340 65:2158 66:4273 67:2014 68:1117
69:3238 70:858 71:534 72:1879 74:2544 75:421
76:295 77:1061 78:1034 79:555 80:1223 81:983
82:641 83:534 84:579 85:1149 86:478 87:972
88:370 89:1745 90:285 91:5386 92:611 93:1700
94:2015 95:1686 96:489 97:332 98:1052 99:52
100:30 101:304 103:2062 105:519 106:131 107:208
108:506 109:1749 110:842 111:1004 112:473 113:739
114:684 115:924 116:877 117:788 118:978 119:1273
120:343 121:702 122:1732 123:1181 124:1319 125:1305
128:546 129:200 130:311 131:644 132:327 133:143
134:254 135:62 136:219 137:237 138:345 139:155
140:270 141:314 142:512 143:388 144:476 145:90
146:529 147:338 148:729 149:341 150:158 151:328
152:399 153:190 154:24 155:367 156:241 157:394
158:259 159:709 160:334 161:417 162:371 163:202
164:580 165:462 166:465 167:574 168:1002 169:131
170:1011 171:163 172:4 173:1548 174:617 175:421
176:915 177:1636 178:1699 180:1373 181:219 182:1151
183:325 184:637 185:194 186:2266 187:1451 188:1924
189:1547 190:6620 192:6228 193:5670 194:4548 195:3645
196:1290 197:823 198:4113 199:5184 200:6016 201:2183
202:8797 203:8760 204:4462 205:2550 206:2805 207:2791
208:4077 209:3528 210:2907 211:1568 212:1998 213:1890
214:900 215:93 216:5070 217:1582 218:591 219:326
220:1271 221:547 222:331 223:418
End of report
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