* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 22 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 443944
Prefixes after maximum aggregation: 182526
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217815
Total ASes present in the Internet Routing Table: 43378
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34197
Origin ASes announcing only one prefix: 15935
Transit ASes present in the Internet Routing Table: 5778
Transit-only ASes present in the Internet Routing Table: 138
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: 388
Unregistered ASNs in the Routing Table: 143
Number of 32-bit ASNs allocated by the RIRs: 3770
Number of 32-bit ASNs visible in the Routing Table: 3403
Prefixes from 32-bit ASNs in the Routing Table: 9350
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2617311372
Equivalent to 156 /8s, 1 /16s and 0 /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: 156788
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106643
Total APNIC prefixes after maximum aggregation: 33082
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 107738
Unique aggregates announced from the APNIC address blocks: 43900
APNIC Region origin ASes present in the Internet Routing Table: 4819
APNIC Prefixes per ASN: 22.36
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 816
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: 437
Number of APNIC addresses announced to Internet: 718713216
Equivalent to 42 /8s, 214 /16s and 177 /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: 155973
Total ARIN prefixes after maximum aggregation: 78930
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156598
Unique aggregates announced from the ARIN address blocks: 71223
ARIN Region origin ASes present in the Internet Routing Table: 15476
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5846
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: 1076344960
Equivalent to 64 /8s, 39 /16s and 184 /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: 113943
Total RIPE prefixes after maximum aggregation: 58870
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117181
Unique aggregates announced from the RIPE address blocks: 75154
RIPE Region origin ASes present in the Internet Routing Table: 17076
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2782
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: 2197
Number of RIPE addresses announced to Internet: 653622116
Equivalent to 38 /8s, 245 /16s and 123 /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: 47257
Total LACNIC prefixes after maximum aggregation: 9131
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 51008
Unique aggregates announced from the LACNIC address blocks: 23620
LACNIC Region origin ASes present in the Internet Routing Table: 1828
LACNIC Prefixes per ASN: 27.90
LACNIC Region origin ASes announcing only one prefix: 528
LACNIC Region transit ASes present in the Internet Routing Table: 343
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 744
Number of LACNIC addresses announced to Internet: 123310120
Equivalent to 7 /8s, 89 /16s and 144 /24s
Percentage of available LACNIC address space announced: 73.5
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: 10637
Total AfriNIC prefixes after maximum aggregation: 2456
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 11230
Unique aggregates announced from the AfriNIC address blocks: 3748
AfriNIC Region origin ASes present in the Internet Routing Table: 603
AfriNIC Prefixes per ASN: 18.62
AfriNIC Region origin ASes announcing only one prefix: 182
AfriNIC Region transit ASes present in the Internet Routing Table: 134
Average AfriNIC Region AS path length visible: 4.8
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: 44967936
Equivalent to 2 /8s, 174 /16s and 40 /24s
Percentage of available AfriNIC address space announced: 44.7
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 2938 11558 925 Korea Telecom (KIX)
17974 2495 824 85 PT TELEKOMUNIKASI INDONESIA
7545 1827 301 89 TPG Internet Pty Ltd
4755 1691 382 189 TATA Communications formerly
9829 1424 1140 43 BSNL National Internet Backbo
9583 1207 90 499 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1116 2057 321 CNCGROUP IP network: China169
9498 1063 310 75 BHARTI Airtel Ltd.
24560 1047 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 3059 3695 98 bellsouth.net, inc.
7029 2165 1265 209 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1989 2931 127 Cox Communications, Inc.
1785 1960 677 125 PaeTec Communications, Inc.
20115 1693 1610 618 Charter Communications
4323 1605 1140 398 Time Warner Telecom
30036 1349 289 678 Mediacom Communications Corp
7018 1310 10552 860 AT&T WorldNet Services
7011 1204 315 690 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 1893 544 16 Corbina telecom
2118 1115 97 13 EUnet/RELCOM Autonomous Syste
34984 1058 232 204 BILISIM TELEKOM
13188 840 99 22 Educational Network
12479 829 783 68 Uni2 Autonomous System
31148 762 39 20 FreeNet ISP
20940 745 253 588 Akamai Technologies European
6830 712 2313 433 UPC Distribution Services
8551 710 367 39 Bezeq International
34744 681 185 39 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 2396 1330 84 NET Servicos de Comunicao S.A
10620 2319 397 223 TVCABLE BOGOTA
7303 1681 1147 207 Telecom Argentina Stet-France
8151 1509 2828 397 UniNet S.A. de C.V.
6503 1385 435 67 AVANTEL, S.A.
14754 938 127 75 Telgua S. A.
18881 781 716 18 Global Village Telecom
27947 778 86 100 Telconet S.A
3816 685 306 85 Empresa Nacional de Telecomun
7738 613 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
36998 1285 80 4 MOBITEL
24863 897 274 36 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 528 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 265 906 223 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 3059 3695 98 bellsouth.net, inc.
4766 2938 11558 925 Korea Telecom (KIX)
17974 2495 824 85 PT TELEKOMUNIKASI INDONESIA
28573 2396 1330 84 NET Servicos de Comunicao S.A
10620 2319 397 223 TVCABLE BOGOTA
7029 2165 1265 209 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1989 2931 127 Cox Communications, Inc.
1785 1960 677 125 PaeTec Communications, Inc.
8402 1893 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 2495 2410 PT TELEKOMUNIKASI INDONESIA
28573 2396 2312 NET Servicos de Comunicao S.A
10620 2319 2096 TVCABLE BOGOTA
4766 2938 2013 Korea Telecom (KIX)
7029 2165 1956 Windstream Communications Inc
18566 2080 1895 Covad Communications
8402 1893 1877 Corbina telecom
22773 1989 1862 Cox Communications, Inc.
1785 1960 1835 PaeTec Communications, Inc.
7545 1827 1738 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
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 /14:866 /15:1555 /16:12576 /17:6596 /18:10968
/19:21761 /20:31269 /21:33441 /22:45727 /23:41191 /24:232819
/25:1389 /26:1753 /27:859 /28:187 /29:74 /30:15
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1757 3059 bellsouth.net, inc.
8402 1620 1893 Corbina telecom
7029 1553 2165 Windstream Communications Inc
22773 1304 1989 Cox Communications, Inc.
36998 1279 1285 MOBITEL
30036 1240 1349 Mediacom Communications Corp
11492 1160 1197 Cable One
1785 1039 1960 PaeTec Communications, Inc.
7011 958 1204 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:694 2:785 3:3 4:13 5:751 6:3
8:502 12:1933 13:3 14:745 15:11 16:3
17:8 20:24 23:240 24:1800 27:1459 31:1132
32:54 33:2 34:5 36:11 37:1293 38:854
39:2 40:141 41:2692 42:178 44:3 46:1758
47:1 49:611 50:660 52:12 54:28 55:7
57:28 58:1071 59:558 60:259 61:1333 62:1025
63:2027 64:4307 65:2172 66:4264 67:2036 68:1125
69:3262 70:860 71:523 72:1886 74:2549 75:415
76:291 77:1092 78:1041 79:572 80:1222 81:969
82:627 83:541 84:556 85:1152 86:476 87:930
88:379 89:1747 90:282 91:5426 92:622 93:1733
94:2077 95:1587 96:490 97:336 98:1040 99:52
100:30 101:309 103:2158 105:519 106:133 107:206
108:512 109:1766 110:853 111:1016 112:490 113:740
114:687 115:929 116:875 117:798 118:983 119:1272
120:371 121:701 122:1729 123:1192 124:1318 125:1312
128:538 129:198 130:316 131:640 132:322 133:143
134:261 135:62 136:221 137:236 138:339 139:167
140:218 141:314 142:525 143:374 144:480 145:88
146:530 147:349 148:708 149:349 150:164 151:400
152:400 153:191 154:29 155:370 156:243 157:391
158:264 159:709 160:334 161:421 162:369 163:203
164:573 165:448 166:437 167:573 168:1009 169:131
170:1023 171:164 172:4 173:1549 174:580 175:421
176:1120 177:1660 178:1741 180:1385 181:234 182:1184
183:329 184:640 185:250 186:2307 187:1425 188:1934
189:1515 190:6623 192:6350 193:5659 194:4507 195:3494
196:1312 197:910 198:4161 199:5225 200:6067 201:2186
202:8957 203:8750 204:4476 205:2553 206:2792 207:2814
208:4064 209:3513 210:2898 211:1555 212:2013 213:1923
214:905 215:91 216:5142 217:1582 218:604 219:327
220:1265 221:549 222:325 223:465
End of report
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