* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 26 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 447787
Prefixes after maximum aggregation: 183471
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 220228
Total ASes present in the Internet Routing Table: 43654
Prefixes per ASN: 10.26
Origin-only ASes present in the Internet Routing Table: 34358
Origin ASes announcing only one prefix: 16039
Transit ASes present in the Internet Routing Table: 5798
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 383
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 4650
Number of 32-bit ASNs visible in the Routing Table: 3498
Prefixes from 32-bit ASNs in the Routing Table: 10160
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 191
Number of addresses announced to Internet: 2623725260
Equivalent to 156 /8s, 98 /16s and 222 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 158497
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107650
Total APNIC prefixes after maximum aggregation: 33222
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 108818
Unique aggregates announced from the APNIC address blocks: 44078
APNIC Region origin ASes present in the Internet Routing Table: 4825
APNIC Prefixes per ASN: 22.55
APNIC Region origin ASes announcing only one prefix: 1234
APNIC Region transit ASes present in the Internet Routing Table: 822
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: 473
Number of APNIC addresses announced to Internet: 719774272
Equivalent to 42 /8s, 230 /16s and 226 /24s
Percentage of available APNIC address space announced: 84.1
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: 157040
Total ARIN prefixes after maximum aggregation: 79254
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157725
Unique aggregates announced from the ARIN address blocks: 72086
ARIN Region origin ASes present in the Internet Routing Table: 15565
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5906
ARIN Region transit ASes present in the Internet Routing Table: 1610
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: 1078361472
Equivalent to 64 /8s, 70 /16s and 125 /24s
Percentage of available ARIN address space announced: 57.0
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: 114626
Total RIPE prefixes after maximum aggregation: 59162
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 118225
Unique aggregates announced from the RIPE address blocks: 76237
RIPE Region origin ASes present in the Internet Routing Table: 17111
RIPE Prefixes per ASN: 6.91
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2803
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2253
Number of RIPE addresses announced to Internet: 654427108
Equivalent to 39 /8s, 1 /16s and 195 /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: 47552
Total LACNIC prefixes after maximum aggregation: 9353
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 51562
Unique aggregates announced from the LACNIC address blocks: 23860
LACNIC Region origin ASes present in the Internet Routing Table: 1878
LACNIC Prefixes per ASN: 27.46
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 347
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 747
Number of LACNIC addresses announced to Internet: 124869160
Equivalent to 7 /8s, 113 /16s and 90 /24s
Percentage of available LACNIC address space announced: 74.4
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: 10623
Total AfriNIC prefixes after maximum aggregation: 2430
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 11266
Unique aggregates announced from the AfriNIC address blocks: 3792
AfriNIC Region origin ASes present in the Internet Routing Table: 608
AfriNIC Prefixes per ASN: 18.53
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 45922560
Equivalent to 2 /8s, 188 /16s and 185 /24s
Percentage of available AfriNIC address space announced: 45.6
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 2950 11558 922 Korea Telecom (KIX)
17974 2507 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1846 301 90 TPG Internet Pty Ltd
4755 1726 392 197 TATA Communications formerly
9829 1485 1189 43 BSNL National Internet Backbo
9583 1280 97 530 Sify Limited
7552 1161 1066 12 Vietel Corporation
4808 1119 2104 324 CNCGROUP IP network: China169
24560 1060 385 165 Bharti Airtel Ltd., Telemedia
9498 1059 310 73 BHARTI Airtel Ltd.
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 3032 3694 87 bellsouth.net, inc.
7029 2170 1266 215 Windstream Communications Inc
18566 2079 382 185 Covad Communications
22773 1993 2929 125 Cox Communications, Inc.
1785 1966 677 124 PaeTec Communications, Inc.
20115 1683 1613 620 Charter Communications
4323 1612 1139 401 Time Warner Telecom
30036 1323 291 671 Mediacom Communications Corp
7018 1313 10810 850 AT&T WorldNet Services
11492 1212 222 330 Cable One
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 1850 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1111 234 206 BILISIM TELEKOM
12479 841 786 66 Uni2 Autonomous System
13188 836 99 36 Educational Network
20940 800 278 636 Akamai Technologies European
31148 786 41 19 FreeNet ISP
8551 716 370 43 Bezeq International
6830 715 2314 436 UPC Distribution Services
58113 664 73 386 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 2470 1335 84 NET Servicos de Comunicao S.A
10620 2362 407 238 TVCABLE BOGOTA
7303 1674 1152 210 Telecom Argentina Stet-France
8151 1356 2682 406 UniNet S.A. de C.V.
6503 1185 435 68 AVANTEL, S.A.
14754 941 127 87 Telgua S. A.
18881 834 716 18 Global Village Telecom
27947 796 87 97 Telconet S.A
11830 726 364 14 Instituto Costarricense de El
3816 692 306 85 Empresa Nacional de Telecomun
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 891 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 480 958 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 189 698 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 3032 3694 87 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
17974 2507 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2470 1335 84 NET Servicos de Comunicao S.A
10620 2362 407 238 TVCABLE BOGOTA
7029 2170 1266 215 Windstream Communications Inc
18566 2079 382 185 Covad Communications
22773 1993 2929 125 Cox Communications, Inc.
1785 1966 677 124 PaeTec Communications, Inc.
8402 1850 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 2507 2421 PT TELEKOMUNIKASI INDONESIA
28573 2470 2386 NET Servicos de Comunicao S.A
10620 2362 2124 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2170 1955 Windstream Communications Inc
18566 2079 1894 Covad Communications
22773 1993 1868 Cox Communications, Inc.
1785 1966 1842 PaeTec Communications, Inc.
8402 1850 1834 Corbina telecom
7545 1846 1756 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
128.0.72.0/21 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
128.0.144.0/22 59675 mywire Datentechnik GmbH
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 /14:873 /15:1561 /16:12651 /17:6603 /18:10893
/19:21731 /20:31731 /21:33565 /22:46179 /23:41687 /24:235126
/25:1385 /26:1771 /27:862 /28:178 /29:76 /30:18
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2029 2079 Covad Communications
6389 1742 3032 bellsouth.net, inc.
7029 1578 2170 Windstream Communications Inc
8402 1577 1850 Corbina telecom
22773 1304 1993 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1205 1323 Mediacom Communications Corp
11492 1174 1212 Cable One
1785 1043 1966 PaeTec Communications, Inc.
7011 942 1187 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:741 2:794 3:3 4:13 5:833 6:3
8:513 12:1932 13:3 14:763 15:11 16:3
17:8 20:19 23:246 24:1802 27:1488 31:1168
32:44 33:2 34:5 36:43 37:1448 38:858
39:2 40:159 41:2789 42:182 44:6 46:1754
47:2 49:619 50:670 52:12 54:28 55:9
57:28 58:1101 59:598 60:304 61:1448 62:1000
63:2039 64:4287 65:2176 66:4282 67:2055 68:1115
69:3267 70:871 71:526 72:1898 74:2553 75:399
76:292 77:1086 78:1045 79:576 80:1244 81:978
82:611 83:566 84:563 85:1151 86:466 87:951
88:512 89:1786 90:262 91:5447 92:608 93:1699
94:1872 95:1548 96:499 97:336 98:1046 99:41
100:29 101:312 103:2303 105:517 106:133 107:207
108:515 109:1815 110:857 111:1040 112:499 113:753
114:661 115:1013 116:859 117:791 118:1007 119:1262
120:384 121:824 122:1741 123:1186 124:1327 125:1308
128:540 129:221 130:326 131:649 132:325 133:145
134:257 135:62 136:220 137:244 138:343 139:181
140:201 141:320 142:536 143:371 144:485 145:90
146:523 147:362 148:696 149:356 150:158 151:479
152:415 153:194 154:34 155:384 156:251 157:391
158:269 159:711 160:334 161:423 162:374 163:208
164:576 165:452 166:371 167:575 168:1016 169:131
170:1030 171:169 172:4 173:1574 174:581 175:431
176:1134 177:1882 178:1964 179:1 180:1392 181:298
182:1227 183:350 184:659 185:304 186:2404 187:1264
188:1903 189:1397 190:6644 192:6426 193:5679 194:4511
195:3470 196:1301 197:924 198:4272 199:5263 200:6022
201:2361 202:8828 203:8753 204:4489 205:2552 206:2786
207:2827 208:4054 209:3538 210:2919 211:1566 212:2004
213:1953 214:912 215:95 216:5198 217:1579 218:604
219:351 220:1270 221:547 222:319 223:492
End of report
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