* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 29 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 440671
Prefixes after maximum aggregation: 181640
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 216530
Total ASes present in the Internet Routing Table: 43145
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 34063
Origin ASes announcing only one prefix: 15889
Transit ASes present in the Internet Routing Table: 5756
Transit-only ASes present in the Internet Routing Table: 139
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: 385
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 3708
Number of 32-bit ASNs visible in the Routing Table: 3326
Prefixes from 32-bit ASNs in the Routing Table: 9150
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2629825548
Equivalent to 156 /8s, 191 /16s and 244 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 155508
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105907
Total APNIC prefixes after maximum aggregation: 32984
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106947
Unique aggregates announced from the APNIC address blocks: 43779
APNIC Region origin ASes present in the Internet Routing Table: 4813
APNIC Prefixes per ASN: 22.22
APNIC Region origin ASes announcing only one prefix: 1234
APNIC Region transit ASes present in the Internet Routing Table: 814
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: 419
Number of APNIC addresses announced to Internet: 717544832
Equivalent to 42 /8s, 196 /16s and 221 /24s
Percentage of available APNIC address space announced: 83.9
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: 155333
Total ARIN prefixes after maximum aggregation: 78608
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155970
Unique aggregates announced from the ARIN address blocks: 70777
ARIN Region origin ASes present in the Internet Routing Table: 15421
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5815
ARIN Region transit ASes present in the Internet Routing Table: 1597
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: 1091973760
Equivalent to 65 /8s, 22 /16s and 50 /24s
Percentage of available ARIN address space announced: 57.8
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: 113444
Total RIPE prefixes after maximum aggregation: 58480
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116507
Unique aggregates announced from the RIPE address blocks: 74522
RIPE Region origin ASes present in the Internet Routing Table: 17039
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8151
RIPE Region transit ASes present in the Internet Routing Table: 2785
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: 2146
Number of RIPE addresses announced to Internet: 653147876
Equivalent to 38 /8s, 238 /16s and 62 /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: 46239
Total LACNIC prefixes after maximum aggregation: 9107
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 49977
Unique aggregates announced from the LACNIC address blocks: 23577
LACNIC Region origin ASes present in the Internet Routing Table: 1788
LACNIC Prefixes per ASN: 27.95
LACNIC Region origin ASes announcing only one prefix: 510
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: 737
Number of LACNIC addresses announced to Internet: 122506024
Equivalent to 7 /8s, 77 /16s and 75 /24s
Percentage of available LACNIC address space announced: 73.0
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: 10464
Total AfriNIC prefixes after maximum aggregation: 2409
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11081
Unique aggregates announced from the AfriNIC address blocks: 3707
AfriNIC Region origin ASes present in the Internet Routing Table: 589
AfriNIC Prefixes per ASN: 18.81
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 7
Number of AfriNIC addresses announced to Internet: 44301568
Equivalent to 2 /8s, 163 /16s and 253 /24s
Percentage of available AfriNIC address space announced: 44.0
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 2939 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1820 301 84 TPG Internet Pty Ltd
4755 1670 380 175 TATA Communications formerly
9829 1426 1152 45 BSNL National Internet Backbo
9583 1204 89 502 Sify Limited
7552 1141 1070 12 Vietel Corporation
4808 1120 2040 315 CNCGROUP IP network: China169
9498 1052 310 75 BHARTI Airtel Ltd.
24560 1040 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 3097 3699 117 bellsouth.net, inc.
7029 2282 1265 209 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1961 2931 128 Cox Communications, Inc.
1785 1949 678 124 PaeTec Communications, Inc.
20115 1689 1607 628 Charter Communications
4323 1598 1155 394 Time Warner Telecom
30036 1356 289 692 Mediacom Communications Corp
7018 1303 10550 862 AT&T WorldNet Services
7011 1207 319 687 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 1877 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 933 231 205 BILISIM TELEKOM
13188 841 99 22 Educational Network
12479 833 778 65 Uni2 Autonomous System
31148 753 39 17 FreeNet ISP
20940 733 247 582 Akamai Technologies European
8551 716 367 39 Bezeq International
6830 713 2313 434 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 2329 1315 81 NET Servicos de Comunicao S.A
10620 2301 394 224 TVCABLE BOGOTA
7303 1679 1147 206 Telecom Argentina Stet-France
8151 1538 2894 376 UniNet S.A. de C.V.
6503 1469 435 67 AVANTEL, S.A.
14754 794 112 126 Telgua S. A.
27947 771 85 93 Telconet S.A
18881 756 716 18 Global Village Telecom
3816 674 306 85 Empresa Nacional de Telecomun
11172 603 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 556 958 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 3097 3699 117 bellsouth.net, inc.
4766 2939 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
28573 2329 1315 81 NET Servicos de Comunicao S.A
10620 2301 394 224 TVCABLE BOGOTA
7029 2282 1265 209 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1961 2931 128 Cox Communications, Inc.
1785 1949 678 124 PaeTec Communications, Inc.
8402 1877 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 2474 2421 PT TELEKOMUNIKASI INDONESIA
28573 2329 2248 NET Servicos de Comunicao S.A
10620 2301 2077 TVCABLE BOGOTA
7029 2282 2073 Windstream Communications Inc
4766 2939 2019 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1877 1861 Corbina telecom
22773 1961 1833 Cox Communications, Inc.
1785 1949 1825 PaeTec Communications, Inc.
7545 1820 1736 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
128.0.72.0/21 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
128.0.128.0/20 29285 AMT closed joint-stock compan
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 /11:88 /12:246
/13:479 /14:866 /15:1555 /16:12537 /17:6595 /18:10931
/19:21694 /20:31092 /21:33199 /22:44908 /23:40792 /24:231362
/25:1369 /26:1736 /27:866 /28:182 /29:76 /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 1770 3097 bellsouth.net, inc.
7029 1641 2282 Windstream Communications Inc
8402 1610 1877 Corbina telecom
22773 1292 1961 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1250 1356 Mediacom Communications Corp
11492 1158 1195 Cable One
1785 1030 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)
----------------------------------------------
1:712 2:752 3:3 4:13 5:723 6:3
8:489 12:1932 13:3 14:713 15:11 16:3
17:8 20:27 23:222 24:1803 27:1475 31:1126
32:54 33:2 34:5 36:9 37:1214 38:847
39:2 40:139 41:2709 42:180 44:4 46:1736
47:1 49:540 50:668 52:12 54:28 55:4
57:28 58:1048 59:560 60:251 61:1316 62:1035
63:2042 64:4337 65:2162 66:4267 67:2018 68:1119
69:3235 70:858 71:536 72:1879 74:2546 75:422
76:294 77:1063 78:1036 79:553 80:1223 81:980
82:652 83:533 84:574 85:1161 86:473 87:971
88:371 89:1745 90:285 91:5384 92:607 93:1646
94:2014 95:1649 96:490 97:331 98:1052 99:52
100:30 101:304 103:2057 105:531 106:129 107:208
108:503 109:1755 110:849 111:1001 112:466 113:748
114:711 115:927 116:885 117:785 118:965 119:1283
120:328 121:700 122:1726 123:1174 124:1325 125:1299
128:543 129:200 130:311 131:647 132:327 133:142
134:255 135:62 136:219 137:236 138:340 139:156
140:214 141:313 142:515 143:376 144:476 145:90
146:527 147:331 148:730 149:341 150:160 151:287
152:398 153:190 154:24 155:366 156:240 157:393
158:258 159:707 160:334 161:420 162:368 163:202
164:579 165:459 166:459 167:572 168:1005 169:131
170:1007 171:163 172:4 173:1555 174:623 175:427
176:1020 177:1631 178:1691 180:1372 181:218 182:1158
183:312 184:637 185:185 186:2260 187:1468 188:1892
189:1547 190:6449 192:6196 193:5838 194:4671 195:3663
196:1288 197:828 198:4093 199:5172 200:6007 201:2162
202:8830 203:8776 204:4463 205:2535 206:2800 207:2791
208:4073 209:3528 210:2903 211:1568 212:1991 213:1883
214:906 215:91 216:5059 217:1580 218:594 219:326
220:1268 221:547 222:339 223:412
End of report
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