* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 21 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 439082
Prefixes after maximum aggregation: 181489
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216039
Total ASes present in the Internet Routing Table: 43052
Prefixes per ASN: 10.20
Origin-only ASes present in the Internet Routing Table: 34020
Origin ASes announcing only one prefix: 15896
Transit ASes present in the Internet Routing Table: 5730
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 32
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 377
Unregistered ASNs in the Routing Table: 126
Number of 32-bit ASNs allocated by the RIRs: 3677
Number of 32-bit ASNs visible in the Routing Table: 3302
Prefixes from 32-bit ASNs in the Routing Table: 9077
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2628162476
Equivalent to 156 /8s, 166 /16s and 147 /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: 94.1
Total number of prefixes smaller than registry allocations: 154623
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105731
Total APNIC prefixes after maximum aggregation: 33002
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 106741
Unique aggregates announced from the APNIC address blocks: 43697
APNIC Region origin ASes present in the Internet Routing Table: 4813
APNIC Prefixes per ASN: 22.18
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 808
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 409
Number of APNIC addresses announced to Internet: 717323424
Equivalent to 42 /8s, 193 /16s and 124 /24s
Percentage of available APNIC address space announced: 83.8
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: 155330
Total ARIN prefixes after maximum aggregation: 78498
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155976
Unique aggregates announced from the ARIN address blocks: 70708
ARIN Region origin ASes present in the Internet Routing Table: 15386
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5816
ARIN Region transit ASes present in the Internet Routing Table: 1589
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1091713152
Equivalent to 65 /8s, 18 /16s and 56 /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: 113062
Total RIPE prefixes after maximum aggregation: 58437
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 116121
Unique aggregates announced from the RIPE address blocks: 74332
RIPE Region origin ASes present in the Internet Routing Table: 17022
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2779
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2133
Number of RIPE addresses announced to Internet: 653039460
Equivalent to 38 /8s, 236 /16s and 151 /24s
Percentage of available RIPE address space announced: 94.9
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: 45919
Total LACNIC prefixes after maximum aggregation: 9122
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 49634
Unique aggregates announced from the LACNIC address blocks: 23456
LACNIC Region origin ASes present in the Internet Routing Table: 1780
LACNIC Prefixes per ASN: 27.88
LACNIC Region origin ASes announcing only one prefix: 511
LACNIC Region transit ASes present in the Internet Routing Table: 334
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: 737
Number of LACNIC addresses announced to Internet: 121742120
Equivalent to 7 /8s, 65 /16s and 163 /24s
Percentage of available LACNIC address space announced: 72.6
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: 9836
Total AfriNIC prefixes after maximum aggregation: 2378
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 10421
Unique aggregates announced from the AfriNIC address blocks: 3678
AfriNIC Region origin ASes present in the Internet Routing Table: 584
AfriNIC Prefixes per ASN: 17.84
AfriNIC Region origin ASes announcing only one prefix: 180
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 6
Number of AfriNIC addresses announced to Internet: 43987968
Equivalent to 2 /8s, 159 /16s and 52 /24s
Percentage of available AfriNIC address space announced: 43.7
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 2939 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1818 301 86 TPG Internet Pty Ltd
4755 1668 382 176 TATA Communications formerly
9829 1415 1152 45 BSNL National Internet Backbo
9583 1203 89 502 Sify Limited
7552 1147 1070 12 Vietel Corporation
4808 1125 2040 316 CNCGROUP IP network: China169
9498 1050 310 74 BHARTI Airtel Ltd.
24560 1037 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 3104 3700 122 bellsouth.net, inc.
7029 2287 1265 212 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1960 2931 128 Cox Communications, Inc.
1785 1948 678 124 PaeTec Communications, Inc.
20115 1686 1606 626 Charter Communications
4323 1601 1155 395 Time Warner Telecom
30036 1352 288 692 Mediacom Communications Corp
7018 1295 10549 857 AT&T WorldNet Services
7011 1206 321 685 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 1856 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 917 227 211 BILISIM TELEKOM
12479 833 778 65 Uni2 Autonomous System
13188 784 96 91 Educational Network
31148 744 38 14 FreeNet ISP
20940 730 245 578 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 694 367 39 Bezeq International
58113 633 70 378 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
10620 2290 391 226 TVCABLE BOGOTA
28573 2274 1302 78 NET Servicos de Comunicao S.A
7303 1670 1139 204 Telecom Argentina Stet-France
8151 1531 2878 366 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 771 85 96 Telconet S.A
18881 741 716 18 Global Village Telecom
3816 672 306 85 Empresa Nacional de Telecomun
11172 603 86 67 Servicios Alestra S.A de C.V
7738 587 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
24863 890 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 542 958 13 TEDATA
6713 496 602 20 Itissalat Al-MAGHRIB
24835 282 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
16637 191 696 90 MTN Network Solutions
29975 191 667 21 Vodacom
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 3104 3700 122 bellsouth.net, inc.
4766 2939 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
10620 2290 391 226 TVCABLE BOGOTA
7029 2287 1265 212 Windstream Communications Inc
28573 2274 1302 78 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1960 2931 128 Cox Communications, Inc.
1785 1948 678 124 PaeTec Communications, Inc.
8402 1856 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 2474 2421 PT TELEKOMUNIKASI INDONESIA
28573 2274 2196 NET Servicos de Comunicao S.A
7029 2287 2075 Windstream Communications Inc
10620 2290 2064 TVCABLE BOGOTA
4766 2939 2019 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1856 1840 Corbina telecom
22773 1960 1832 Cox Communications, Inc.
1785 1948 1824 PaeTec Communications, Inc.
7545 1818 1732 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
128.0.24.0/21 41794 Altline LLC
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
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
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
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.
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 /12:246
/13:479 /14:864 /15:1554 /16:12515 /17:6582 /18:10948
/19:21668 /20:31130 /21:33172 /22:44585 /23:40744 /24:230265
/25:1320 /26:1700 /27:868 /28:180 /29:75 /30:17
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1771 3104 bellsouth.net, inc.
7029 1643 2287 Windstream Communications Inc
8402 1572 1856 Corbina telecom
22773 1293 1960 Cox Communications, Inc.
30036 1249 1352 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1029 1948 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
7011 955 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:702 2:752 3:3 4:13 5:721 6:3
8:487 12:1927 13:3 14:709 15:11 16:3
17:8 20:27 23:224 24:1800 27:1483 31:1121
32:54 33:2 34:4 36:9 37:1179 38:842
39:2 40:138 41:2685 42:180 44:3 46:1732
47:1 49:546 50:655 52:12 54:28 55:5
57:28 58:1077 59:560 60:242 61:1312 62:1018
63:2045 64:4298 65:2161 66:4314 67:2121 68:1120
69:3254 70:859 71:536 72:1879 74:2542 75:418
76:294 77:1014 78:1032 79:543 80:1230 81:986
82:662 83:536 84:529 85:1158 86:469 87:968
88:365 89:1725 90:283 91:5404 92:614 93:1648
94:1984 95:1594 96:487 97:338 98:1053 99:52
100:31 101:291 103:2016 105:528 106:129 107:208
108:504 109:1727 110:844 111:996 112:468 113:750
114:680 115:926 116:902 117:780 118:972 119:1281
120:327 121:700 122:1731 123:1170 124:1324 125:1298
128:561 129:203 130:309 131:647 132:321 133:142
134:256 135:62 136:218 137:234 138:340 139:159
140:206 141:311 142:518 143:365 144:479 145:89
146:525 147:329 148:732 149:336 150:158 151:257
152:399 153:189 154:24 155:418 156:234 157:385
158:280 159:698 160:335 161:420 162:367 163:195
164:587 165:459 166:457 167:571 168:1005 169:130
170:1001 171:162 172:4 173:1551 174:753 175:418
176:1023 177:1630 178:1684 180:1368 181:211 182:1150
183:313 184:633 185:168 186:2218 187:1469 188:1891
189:1544 190:6415 192:6154 193:5842 194:4670 195:3656
196:1245 197:313 198:4061 199:5155 200:6010 201:2125
202:8796 203:8735 204:4466 205:2544 206:2792 207:2782
208:4073 209:3515 210:2908 211:1561 212:2005 213:1873
214:888 215:91 216:5058 217:1576 218:598 219:325
220:1265 221:528 222:324 223:406
End of report
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