* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 06 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 445098
Prefixes after maximum aggregation: 183044
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 218401
Total ASes present in the Internet Routing Table: 43497
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34270
Origin ASes announcing only one prefix: 15984
Transit ASes present in the Internet Routing Table: 5788
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: 42
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 365
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 3815
Number of 32-bit ASNs visible in the Routing Table: 3439
Prefixes from 32-bit ASNs in the Routing Table: 9539
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2636452844
Equivalent to 157 /8s, 37 /16s and 19 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
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: 157277
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106867
Total APNIC prefixes after maximum aggregation: 33163
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 107969
Unique aggregates announced from the APNIC address blocks: 43999
APNIC Region origin ASes present in the Internet Routing Table: 4816
APNIC Prefixes per ASN: 22.42
APNIC Region origin ASes announcing only one prefix: 1234
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: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 448
Number of APNIC addresses announced to Internet: 719102432
Equivalent to 42 /8s, 220 /16s and 161 /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: 156276
Total ARIN prefixes after maximum aggregation: 79102
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157004
Unique aggregates announced from the ARIN address blocks: 71444
ARIN Region origin ASes present in the Internet Routing Table: 15521
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5879
ARIN Region transit ASes present in the Internet Routing Table: 1615
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1093481600
Equivalent to 65 /8s, 45 /16s and 52 /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: 114202
Total RIPE prefixes after maximum aggregation: 59042
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 117488
Unique aggregates announced from the RIPE address blocks: 75257
RIPE Region origin ASes present in the Internet Routing Table: 17100
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8158
RIPE Region transit ASes present in the Internet Routing Table: 2784
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: 654087268
Equivalent to 38 /8s, 252 /16s and 148 /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: 47443
Total LACNIC prefixes after maximum aggregation: 9242
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 51216
Unique aggregates announced from the LACNIC address blocks: 23726
LACNIC Region origin ASes present in the Internet Routing Table: 1849
LACNIC Prefixes per ASN: 27.70
LACNIC Region origin ASes announcing only one prefix: 535
LACNIC Region transit ASes present in the Internet Routing Table: 350
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: 743
Number of LACNIC addresses announced to Internet: 124124968
Equivalent to 7 /8s, 101 /16s and 255 /24s
Percentage of available LACNIC address space announced: 74.0
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: 10644
Total AfriNIC prefixes after maximum aggregation: 2446
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 11232
Unique aggregates announced from the AfriNIC address blocks: 3805
AfriNIC Region origin ASes present in the Internet Routing Table: 605
AfriNIC Prefixes per ASN: 18.57
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 45320448
Equivalent to 2 /8s, 179 /16s and 137 /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 2929 11558 923 Korea Telecom (KIX)
17974 2499 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1827 301 89 TPG Internet Pty Ltd
4755 1698 390 189 TATA Communications formerly
9829 1430 1142 44 BSNL National Internet Backbo
9583 1282 98 534 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1117 2058 322 CNCGROUP IP network: China169
9498 1066 310 75 BHARTI Airtel Ltd.
24560 1045 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 3048 3695 94 bellsouth.net, inc.
7029 2141 1265 212 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2929 124 Cox Communications, Inc.
1785 1957 677 123 PaeTec Communications, Inc.
20115 1678 1610 619 Charter Communications
4323 1612 1140 402 Time Warner Telecom
30036 1340 290 691 Mediacom Communications Corp
7018 1304 10553 853 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 1904 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1071 232 204 BILISIM TELEKOM
13188 840 99 30 Educational Network
12479 831 783 68 Uni2 Autonomous System
31148 764 39 17 FreeNet ISP
20940 759 257 602 Akamai Technologies European
6830 714 2313 435 UPC Distribution Services
8551 711 370 43 Bezeq International
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 2420 1332 85 NET Servicos de Comunicao S.A
10620 2342 403 229 TVCABLE BOGOTA
7303 1681 1147 207 Telecom Argentina Stet-France
8151 1350 2729 398 UniNet S.A. de C.V.
6503 1330 435 68 AVANTEL, S.A.
14754 941 128 76 Telgua S. A.
18881 808 716 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 895 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 514 958 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 187 696 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 3048 3695 94 bellsouth.net, inc.
4766 2929 11558 923 Korea Telecom (KIX)
17974 2499 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2420 1332 85 NET Servicos de Comunicao S.A
10620 2342 403 229 TVCABLE BOGOTA
7029 2141 1265 212 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2929 124 Cox Communications, Inc.
1785 1957 677 123 PaeTec Communications, Inc.
8402 1904 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 2420 2335 NET Servicos de Comunicao S.A
10620 2342 2113 TVCABLE BOGOTA
4766 2929 2006 Korea Telecom (KIX)
7029 2141 1929 Windstream Communications Inc
18566 2080 1895 Covad Communications
8402 1904 1888 Corbina telecom
22773 1987 1863 Cox Communications, Inc.
1785 1957 1834 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
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
128.0.106.0/24 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
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 /8:18 /9:13 /10:29 /11:88 /12:247
/13:483 /14:869 /15:1564 /16:12644 /17:6615 /18:10901
/19:21709 /20:31397 /21:33475 /22:46069 /23:41413 /24:233268
/25:1371 /26:1770 /27:860 /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 3048 bellsouth.net, inc.
8402 1627 1904 Corbina telecom
7029 1557 2141 Windstream Communications Inc
22773 1302 1987 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1225 1340 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)
----------------------------------------------
1:720 2:791 3:3 4:13 5:690 6:3
8:505 12:1930 13:3 14:747 15:11 16:3
17:8 20:24 23:241 24:1800 27:1455 31:1145
32:54 33:2 34:5 36:14 37:1310 38:857
39:2 40:153 41:2707 42:177 44:4 46:1769
47:1 49:608 50:661 52:12 54:28 55:10
57:28 58:1079 59:567 60:287 61:1350 62:1035
63:2036 64:4278 65:2175 66:4245 67:2048 68:1122
69:3266 70:863 71:523 72:1892 74:2549 75:408
76:290 77:1082 78:1054 79:573 80:1230 81:974
82:614 83:548 84:558 85:1160 86:474 87:947
88:374 89:1750 90:262 91:5430 92:606 93:1739
94:2081 95:1605 96:496 97:335 98:1036 99:40
100:30 101:305 103:2251 105:517 106:131 107:207
108:507 109:1799 110:851 111:1023 112:493 113:741
114:683 115:924 116:881 117:801 118:980 119:1269
120:376 121:706 122:1735 123:1193 124:1319 125:1313
128:543 129:204 130:317 131:647 132:329 133:143
134:253 135:62 136:221 137:237 138:342 139:169
140:215 141:316 142:524 143:383 144:482 145:88
146:519 147:352 148:706 149:358 150:156 151:433
152:401 153:196 154:29 155:374 156:242 157:392
158:265 159:711 160:336 161:420 162:374 163:206
164:579 165:453 166:410 167:572 168:1012 169:131
170:1022 171:168 172:4 173:1575 174:585 175:424
176:1134 177:1692 178:1758 179:1 180:1361 181:266
182:1197 183:334 184:659 185:272 186:2299 187:1305
188:1921 189:1507 190:6649 192:6386 193:5663 194:4508
195:3494 196:1304 197:923 198:4193 199:5239 200:6031
201:2218 202:8913 203:8736 204:4489 205:2551 206:2790
207:2794 208:4062 209:3522 210:2901 211:1565 212:1985
213:1925 214:914 215:95 216:5212 217:1575 218:605
219:328 220:1266 221:548 222:316 223:472
End of report
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