* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 04 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 444733
Prefixes after maximum aggregation: 182873
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 218129
Total ASes present in the Internet Routing Table: 43461
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34249
Origin ASes announcing only one prefix: 15969
Transit ASes present in the Internet Routing Table: 5775
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: 30
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 363
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 3809
Number of 32-bit ASNs visible in the Routing Table: 3437
Prefixes from 32-bit ASNs in the Routing Table: 9533
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2618804684
Equivalent to 156 /8s, 23 /16s and 201 /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: 94.3
Total number of prefixes smaller than registry allocations: 157222
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106844
Total APNIC prefixes after maximum aggregation: 33139
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 107948
Unique aggregates announced from the APNIC address blocks: 43981
APNIC Region origin ASes present in the Internet Routing Table: 4808
APNIC Prefixes per ASN: 22.45
APNIC Region origin ASes announcing only one prefix: 1232
APNIC Region transit ASes present in the Internet Routing Table: 815
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 445
Number of APNIC addresses announced to Internet: 719072480
Equivalent to 42 /8s, 220 /16s and 44 /24s
Percentage of available APNIC address space announced: 84.0
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: 156069
Total ARIN prefixes after maximum aggregation: 78967
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156785
Unique aggregates announced from the ARIN address blocks: 71323
ARIN Region origin ASes present in the Internet Routing Table: 15507
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5865
ARIN Region transit ASes present in the Internet Routing Table: 1613
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: 18
Number of ARIN addresses announced to Internet: 1076272256
Equivalent to 64 /8s, 38 /16s and 156 /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: 114083
Total RIPE prefixes after maximum aggregation: 59040
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 117341
Unique aggregates announced from the RIPE address blocks: 75109
RIPE Region origin ASes present in the Internet Routing Table: 17098
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8156
RIPE Region transit ASes present in the Internet Routing Table: 2781
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: 2218
Number of RIPE addresses announced to Internet: 653877604
Equivalent to 38 /8s, 249 /16s and 97 /24s
Percentage of available RIPE address space announced: 95.1
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: 47415
Total LACNIC prefixes after maximum aggregation: 9224
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 51218
Unique aggregates announced from the LACNIC address blocks: 23752
LACNIC Region origin ASes present in the Internet Routing Table: 1842
LACNIC Prefixes per ASN: 27.81
LACNIC Region origin ASes announcing only one prefix: 536
LACNIC Region transit ASes present in the Internet Routing Table: 346
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: 749
Number of LACNIC addresses announced to Internet: 124014856
Equivalent to 7 /8s, 100 /16s and 81 /24s
Percentage of available LACNIC address space announced: 73.9
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: 10660
Total AfriNIC prefixes after maximum aggregation: 2452
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 11252
Unique aggregates announced from the AfriNIC address blocks: 3794
AfriNIC Region origin ASes present in the Internet Routing Table: 598
AfriNIC Prefixes per ASN: 18.82
AfriNIC Region origin ASes announcing only one prefix: 180
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: 7
Number of AfriNIC addresses announced to Internet: 45231360
Equivalent to 2 /8s, 178 /16s and 45 /24s
Percentage of available AfriNIC address space announced: 44.9
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 2929 11558 923 Korea Telecom (KIX)
17974 2500 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1828 301 89 TPG Internet Pty Ltd
4755 1698 390 189 TATA Communications formerly
9829 1426 1140 43 BSNL National Internet Backbo
9583 1215 91 502 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1117 2058 322 CNCGROUP IP network: China169
9498 1066 310 75 BHARTI Airtel Ltd.
24560 1047 385 161 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 3049 3695 95 bellsouth.net, inc.
7029 2142 1265 212 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1986 2929 124 Cox Communications, Inc.
1785 1957 677 123 PaeTec Communications, Inc.
20115 1695 1611 620 Charter Communications
4323 1610 1140 400 Time Warner Telecom
30036 1345 289 681 Mediacom Communications Corp
7018 1301 10553 852 AT&T WorldNet Services
7011 1208 320 687 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 1920 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1067 232 204 BILISIM TELEKOM
13188 841 99 22 Educational Network
12479 831 783 68 Uni2 Autonomous System
20940 766 260 607 Akamai Technologies European
31148 766 39 17 FreeNet ISP
8551 715 370 43 Bezeq International
6830 713 2313 434 UPC Distribution Services
34744 675 186 28 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
28573 2409 1332 85 NET Servicos de Comunicao S.A
10620 2340 402 232 TVCABLE BOGOTA
7303 1681 1147 207 Telecom Argentina Stet-France
6503 1393 435 68 AVANTEL, S.A.
8151 1350 2731 399 UniNet S.A. de C.V.
14754 938 127 77 Telgua S. A.
18881 800 716 18 Global Village Telecom
27947 784 86 100 Telconet S.A
3816 688 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 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
36998 1286 80 4 MOBITEL
24863 894 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 522 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 186 696 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 3049 3695 95 bellsouth.net, inc.
4766 2929 11558 923 Korea Telecom (KIX)
17974 2500 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2409 1332 85 NET Servicos de Comunicao S.A
10620 2340 402 232 TVCABLE BOGOTA
7029 2142 1265 212 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1986 2929 124 Cox Communications, Inc.
1785 1957 677 123 PaeTec Communications, Inc.
8402 1920 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 2500 2414 PT TELEKOMUNIKASI INDONESIA
28573 2409 2324 NET Servicos de Comunicao S.A
10620 2340 2108 TVCABLE BOGOTA
4766 2929 2006 Korea Telecom (KIX)
7029 2142 1930 Windstream Communications Inc
8402 1920 1904 Corbina telecom
18566 2080 1895 Covad Communications
22773 1986 1862 Cox Communications, Inc.
1785 1957 1834 PaeTec Communications, Inc.
7545 1828 1739 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
65119 PRIVATE 8.36.67.0/24 6352 E*Trade Group
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
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
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.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 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 /12:247
/13:483 /14:869 /15:1564 /16:12629 /17:6620 /18:10903
/19:21697 /20:31378 /21:33438 /22:45964 /23:41365 /24:233130
/25:1385 /26:1766 /27:857 /28:180 /29:73 /30:17
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1752 3049 bellsouth.net, inc.
8402 1647 1920 Corbina telecom
7029 1558 2142 Windstream Communications Inc
22773 1302 1986 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1231 1345 Mediacom Communications Corp
11492 1170 1208 Cable One
1785 1038 1957 PaeTec Communications, Inc.
7011 958 1208 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:717 2:792 3:3 4:13 5:682 6:3
8:501 12:1930 13:3 14:742 15:11 16:3
17:8 20:24 23:241 24:1798 27:1456 31:1140
32:54 33:2 34:5 36:11 37:1306 38:857
39:2 40:153 41:2713 42:177 44:3 46:1766
47:1 49:608 50:663 52:12 54:28 55:10
57:28 58:1080 59:559 60:278 61:1334 62:1036
63:2036 64:4266 65:2169 66:4247 67:2042 68:1125
69:3261 70:861 71:525 72:1892 74:2546 75:415
76:295 77:1093 78:1053 79:571 80:1230 81:976
82:608 83:548 84:558 85:1162 86:478 87:941
88:374 89:1752 90:262 91:5425 92:609 93:1746
94:2091 95:1614 96:499 97:335 98:1035 99:40
100:30 101:307 103:2233 105:517 106:131 107:207
108:507 109:1796 110:849 111:1028 112:492 113:742
114:682 115:925 116:880 117:798 118:992 119:1271
120:372 121:707 122:1740 123:1190 124:1317 125:1314
128:538 129:205 130:318 131:643 132:318 133:143
134:252 135:62 136:221 137:233 138:341 139:168
140:212 141:316 142:519 143:378 144:483 145:88
146:518 147:351 148:712 149:353 150:156 151:414
152:400 153:191 154:28 155:373 156:241 157:390
158:261 159:711 160:336 161:419 162:374 163:209
164:577 165:452 166:406 167:572 168:1005 169:131
170:1025 171:165 172:4 173:1579 174:578 175:424
176:1129 177:1709 178:1746 179:1 180:1361 181:262
182:1197 183:337 184:645 185:265 186:2299 187:1304
188:1925 189:1534 190:6700 192:6366 193:5661 194:4507
195:3490 196:1317 197:925 198:4174 199:5226 200:6055
201:2229 202:8915 203:8757 204:4493 205:2541 206:2791
207:2783 208:4067 209:3521 210:2899 211:1565 212:1983
213:1920 214:853 215:95 216:5199 217:1582 218:605
219:327 220:1266 221:549 222:332 223:470
End of report
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