* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 08 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 449380
Prefixes after maximum aggregation: 184017
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 221737
Total ASes present in the Internet Routing Table: 43745
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 34413
Origin ASes announcing only one prefix: 16057
Transit ASes present in the Internet Routing Table: 5792
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 366
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 4700
Number of 32-bit ASNs visible in the Routing Table: 3540
Prefixes from 32-bit ASNs in the Routing Table: 10337
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 212
Number of addresses announced to Internet: 2628322156
Equivalent to 156 /8s, 169 /16s and 3 /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: 94.4
Total number of prefixes smaller than registry allocations: 158933
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107942
Total APNIC prefixes after maximum aggregation: 33295
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109149
Unique aggregates announced from the APNIC address blocks: 44392
APNIC Region origin ASes present in the Internet Routing Table: 4822
APNIC Prefixes per ASN: 22.64
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 820
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 485
Number of APNIC addresses announced to Internet: 720570080
Equivalent to 42 /8s, 243 /16s and 6 /24s
Percentage of available APNIC address space announced: 84.2
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: 157445
Total ARIN prefixes after maximum aggregation: 79509
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158142
Unique aggregates announced from the ARIN address blocks: 72375
ARIN Region origin ASes present in the Internet Routing Table: 15603
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5934
ARIN Region transit ASes present in the Internet Routing Table: 1609
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: 1078835072
Equivalent to 64 /8s, 77 /16s and 183 /24s
Percentage of available ARIN address space announced: 57.1
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: 115745
Total RIPE prefixes after maximum aggregation: 59337
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 119486
Unique aggregates announced from the RIPE address blocks: 76955
RIPE Region origin ASes present in the Internet Routing Table: 17120
RIPE Prefixes per ASN: 6.98
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2799
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: 2277
Number of RIPE addresses announced to Internet: 656154084
Equivalent to 39 /8s, 28 /16s and 29 /24s
Percentage of available RIPE address space announced: 95.4
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: 47726
Total LACNIC prefixes after maximum aggregation: 9346
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 51721
Unique aggregates announced from the LACNIC address blocks: 24006
LACNIC Region origin ASes present in the Internet Routing Table: 1887
LACNIC Prefixes per ASN: 27.41
LACNIC Region origin ASes announcing only one prefix: 562
LACNIC Region transit ASes present in the Internet Routing Table: 350
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: 753
Number of LACNIC addresses announced to Internet: 126159400
Equivalent to 7 /8s, 133 /16s and 10 /24s
Percentage of available LACNIC address space announced: 75.2
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: 10054
Total AfriNIC prefixes after maximum aggregation: 2482
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 10670
Unique aggregates announced from the AfriNIC address blocks: 3812
AfriNIC Region origin ASes present in the Internet Routing Table: 608
AfriNIC Prefixes per ASN: 17.55
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 46230272
Equivalent to 2 /8s, 193 /16s and 107 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2955 11558 923 Korea Telecom (KIX)
17974 2511 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1863 302 95 TPG Internet Pty Ltd
4755 1731 392 198 TATA Communications formerly
9829 1490 1205 40 BSNL National Internet Backbo
9583 1279 97 536 Sify Limited
7552 1139 1066 12 Vietel Corporation
4808 1122 2109 326 CNCGROUP IP network: China169
9498 1067 310 73 BHARTI Airtel Ltd.
24560 1060 385 164 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 3038 3694 88 bellsouth.net, inc.
7029 2151 1266 213 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2009 2929 125 Cox Communications, Inc.
1785 1973 677 123 PaeTec Communications, Inc.
20115 1668 1610 610 Charter Communications
4323 1606 1138 397 Time Warner Telecom
30036 1339 296 658 Mediacom Communications Corp
7018 1317 10808 858 AT&T WorldNet Services
11492 1216 223 331 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 1873 544 16 Corbina telecom
34984 1132 234 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 844 786 66 Uni2 Autonomous System
13188 837 99 33 Educational Network
20940 813 283 646 Akamai Technologies European
31148 790 41 20 FreeNet ISP
8551 745 370 43 Bezeq International
6830 734 2314 435 UPC Distribution Services
58113 666 74 386 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 2563 1418 94 NET Servicos de Comunicao S.A
10620 2352 407 235 TVCABLE BOGOTA
7303 1673 1152 210 Telecom Argentina Stet-France
8151 1224 2666 401 UniNet S.A. de C.V.
6503 1184 435 68 AVANTEL, S.A.
14754 1138 153 37 Telgua S. A.
18881 850 716 18 Global Village Telecom
27947 804 87 95 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 693 306 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 1137 80 4 MOBITEL
24863 678 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 365 958 13 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 187 698 88 MTN Network Solutions
33776 182 12 19 Starcomms Nigeria Limited
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 3038 3694 88 bellsouth.net, inc.
4766 2955 11558 923 Korea Telecom (KIX)
28573 2563 1418 94 NET Servicos de Comunicao S.A
17974 2511 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2352 407 235 TVCABLE BOGOTA
7029 2151 1266 213 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2009 2929 125 Cox Communications, Inc.
1785 1973 677 123 PaeTec Communications, Inc.
8402 1873 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
28573 2563 2469 NET Servicos de Comunicao S.A
17974 2511 2425 PT TELEKOMUNIKASI INDONESIA
10620 2352 2117 TVCABLE BOGOTA
4766 2955 2032 Korea Telecom (KIX)
7029 2151 1938 Windstream Communications Inc
18566 2068 1884 Covad Communications
22773 2009 1884 Cox Communications, Inc.
8402 1873 1857 Corbina telecom
1785 1973 1850 PaeTec Communications, Inc.
7545 1863 1768 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
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
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
62.61.220.0/24 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.
64.185.230.0/24 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 /12:248
/13:485 /14:875 /15:1557 /16:12685 /17:6618 /18:10903
/19:21808 /20:31890 /21:33718 /22:46520 /23:41732 /24:236009
/25:1400 /26:1780 /27:862 /28:42 /29:64 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2019 2068 Covad Communications
6389 1742 3038 bellsouth.net, inc.
7029 1597 2151 Windstream Communications Inc
8402 1570 1873 Corbina telecom
22773 1314 2009 Cox Communications, Inc.
30036 1216 1339 Mediacom Communications Corp
11492 1178 1216 Cable One
36998 1131 1137 MOBITEL
1785 1045 1973 PaeTec Communications, Inc.
6983 929 1043 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:753 2:797 3:3 4:13 5:841 6:4
8:520 12:1919 13:3 14:771 15:11 16:3
17:9 20:19 23:255 24:1771 27:1437 31:1192
32:42 33:2 34:5 36:41 37:1676 38:862
39:2 40:164 41:2698 42:184 44:6 46:1779
47:2 49:614 50:679 52:12 54:29 55:11
57:27 58:1105 59:586 60:304 61:1446 62:989
63:2038 64:4290 65:2152 66:4281 67:2061 68:1120
69:3246 70:873 71:526 72:1879 74:2556 75:407
76:287 77:1088 78:1032 79:583 80:1247 81:976
82:610 83:573 84:579 85:1161 86:466 87:962
88:526 89:1789 90:281 91:5457 92:616 93:1703
94:1874 95:1571 96:503 97:340 98:1048 99:41
100:29 101:309 103:2385 105:488 106:126 107:207
108:514 109:1813 110:874 111:1044 112:499 113:769
114:688 115:1015 116:879 117:795 118:1011 119:1261
120:381 121:816 122:1731 123:1191 124:1334 125:1318
128:634 129:224 130:332 131:654 132:329 133:148
134:258 135:62 136:221 137:241 138:344 139:185
140:199 141:316 142:542 143:369 144:483 145:91
146:509 147:378 148:695 149:365 150:159 151:558
152:415 153:194 154:44 155:385 156:260 157:391
158:270 159:714 160:334 161:424 162:373 163:202
164:578 165:450 166:331 167:577 168:1013 169:133
170:1020 171:174 172:4 173:1592 174:581 175:442
176:1161 177:1889 178:2034 179:2 180:1384 181:303
182:1123 183:378 184:661 185:343 186:2423 187:1240
188:1991 189:1410 190:6692 192:6489 193:5661 194:4518
195:3465 196:1309 197:775 198:4319 199:5282 200:6028
201:2377 202:8856 203:8780 204:4505 205:2549 206:2802
207:2829 208:4060 209:3549 210:2920 211:1564 212:2018
213:1937 214:933 215:99 216:5188 217:1571 218:609
219:347 220:1271 221:544 222:319 223:500
End of report
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