* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 05 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 444734
Prefixes after maximum aggregation: 182841
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 218118
Total ASes present in the Internet Routing Table: 43489
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34256
Origin ASes announcing only one prefix: 15980
Transit ASes present in the Internet Routing Table: 5790
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: 366
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 3812
Number of 32-bit ASNs visible in the Routing Table: 3443
Prefixes from 32-bit ASNs in the Routing Table: 9553
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2618837452
Equivalent to 156 /8s, 24 /16s and 73 /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: 157203
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106758
Total APNIC prefixes after maximum aggregation: 33117
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 107870
Unique aggregates announced from the APNIC address blocks: 43998
APNIC Region origin ASes present in the Internet Routing Table: 4813
APNIC Prefixes per ASN: 22.41
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 817
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: 448
Number of APNIC addresses announced to Internet: 718976992
Equivalent to 42 /8s, 218 /16s and 183 /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: 156141
Total ARIN prefixes after maximum aggregation: 78949
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156866
Unique aggregates announced from the ARIN address blocks: 71402
ARIN Region origin ASes present in the Internet Routing Table: 15512
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5870
ARIN Region transit ASes present in the Internet Routing Table: 1612
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: 1076203648
Equivalent to 64 /8s, 37 /16s and 144 /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: 114063
Total RIPE prefixes after maximum aggregation: 59047
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 117329
Unique aggregates announced from the RIPE address blocks: 74986
RIPE Region origin ASes present in the Internet Routing Table: 17105
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8160
RIPE Region transit ASes present in the Internet Routing Table: 2795
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: 2223
Number of RIPE addresses announced to Internet: 654041188
Equivalent to 38 /8s, 251 /16s and 224 /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: 47447
Total LACNIC prefixes after maximum aggregation: 9224
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 51247
Unique aggregates announced from the LACNIC address blocks: 23765
LACNIC Region origin ASes present in the Internet Routing Table: 1845
LACNIC Prefixes per ASN: 27.78
LACNIC Region origin ASes announcing only one prefix: 537
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: 747
Number of LACNIC addresses announced to Internet: 124030984
Equivalent to 7 /8s, 100 /16s and 144 /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: 10643
Total AfriNIC prefixes after maximum aggregation: 2453
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11233
Unique aggregates announced from the AfriNIC address blocks: 3797
AfriNIC Region origin ASes present in the Internet Routing Table: 600
AfriNIC Prefixes per ASN: 18.72
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 45248512
Equivalent to 2 /8s, 178 /16s and 112 /24s
Percentage of available AfriNIC address space announced: 45.0
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 2930 11558 923 Korea Telecom (KIX)
17974 2499 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1828 301 89 TPG Internet Pty Ltd
4755 1697 390 189 TATA Communications formerly
9829 1430 1142 44 BSNL National Internet Backbo
9583 1215 91 502 Sify Limited
7552 1160 1070 12 Vietel Corporation
4808 1117 2058 322 CNCGROUP IP network: China169
9498 1066 310 75 BHARTI Airtel Ltd.
24560 1046 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 1609 1140 400 Time Warner Telecom
30036 1345 289 681 Mediacom Communications Corp
7018 1300 10553 851 AT&T WorldNet Services
11492 1208 221 335 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 1880 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1067 232 204 BILISIM TELEKOM
13188 840 99 28 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 669 185 24 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 2417 1332 85 NET Servicos de Comunicao S.A
10620 2341 402 230 TVCABLE BOGOTA
7303 1681 1147 207 Telecom Argentina Stet-France
6503 1393 435 68 AVANTEL, S.A.
8151 1356 2731 400 UniNet S.A. de C.V.
14754 940 127 75 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 512 958 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 2930 11558 923 Korea Telecom (KIX)
17974 2499 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2417 1332 85 NET Servicos de Comunicao S.A
10620 2341 402 230 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 1880 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 2499 2413 PT TELEKOMUNIKASI INDONESIA
28573 2417 2332 NET Servicos de Comunicao S.A
10620 2341 2111 TVCABLE BOGOTA
4766 2930 2007 Korea Telecom (KIX)
7029 2142 1930 Windstream Communications Inc
18566 2080 1895 Covad Communications
8402 1880 1864 Corbina telecom
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 /16:12630 /17:6613 /18:10898
/19:21695 /20:31390 /21:33461 /22:46014 /23:41383 /24:233037
/25:1384 /26:1765 /27:859 /28:182 /29:75 /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 1751 3049 bellsouth.net, inc.
8402 1608 1880 Corbina telecom
7029 1558 2142 Windstream Communications Inc
22773 1301 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 955 1203 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:717 2:781 3:3 4:13 5:684 6:3
8:505 12:1930 13:3 14:746 15:11 16:3
17:8 20:24 23:241 24:1799 27:1458 31:1141
32:54 33:2 34:5 36:14 37:1301 38:857
39:2 40:153 41:2700 42:177 44:3 46:1750
47:1 49:608 50:663 52:12 54:28 55:8
57:28 58:1078 59:559 60:283 61:1338 62:1036
63:2036 64:4281 65:2170 66:4249 67:2049 68:1125
69:3265 70:862 71:525 72:1887 74:2545 75:409
76:295 77:1091 78:1049 79:572 80:1231 81:957
82:614 83:548 84:559 85:1161 86:478 87:944
88:374 89:1755 90:262 91:5417 92:609 93:1742
94:2081 95:1596 96:498 97:335 98:1034 99:40
100:30 101:303 103:2248 105:517 106:131 107:207
108:507 109:1798 110:848 111:1024 112:492 113:741
114:683 115:925 116:880 117:797 118:975 119:1263
120:376 121:704 122:1734 123:1193 124:1317 125:1314
128:536 129:204 130:319 131:644 132:323 133:143
134:253 135:62 136:222 137:237 138:341 139:169
140:217 141:316 142:524 143:376 144:484 145:88
146:518 147:347 148:714 149:353 150:152 151:411
152:401 153:191 154:29 155:375 156:242 157:392
158:261 159:711 160:333 161:420 162:373 163:209
164:578 165:453 166:406 167:572 168:1005 169:131
170:1026 171:167 172:4 173:1580 174:583 175:424
176:1133 177:1705 178:1748 179:1 180:1326 181:266
182:1197 183:337 184:645 185:266 186:2291 187:1317
188:1926 189:1538 190:6658 192:6372 193:5663 194:4505
195:3490 196:1317 197:922 198:4188 199:5227 200:6050
201:2231 202:8886 203:8760 204:4487 205:2537 206:2789
207:2781 208:4069 209:3518 210:2900 211:1564 212:1976
213:1922 214:910 215:95 216:5217 217:1572 218:605
219:327 220:1266 221:549 222:317 223:470
End of report
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