* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 22 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 439137
Prefixes after maximum aggregation: 181486
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216340
Total ASes present in the Internet Routing Table: 43077
Prefixes per ASN: 10.19
Origin-only ASes present in the Internet Routing Table: 34038
Origin ASes announcing only one prefix: 15905
Transit ASes present in the Internet Routing Table: 5732
Transit-only ASes present in the Internet Routing Table: 136
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: 380
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 3680
Number of 32-bit ASNs visible in the Routing Table: 3307
Prefixes from 32-bit ASNs in the Routing Table: 9062
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2628064428
Equivalent to 156 /8s, 165 /16s and 20 /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: 154699
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105654
Total APNIC prefixes after maximum aggregation: 33032
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 106670
Unique aggregates announced from the APNIC address blocks: 43880
APNIC Region origin ASes present in the Internet Routing Table: 4813
APNIC Prefixes per ASN: 22.16
APNIC Region origin ASes announcing only one prefix: 1242
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: 410
Number of APNIC addresses announced to Internet: 716937376
Equivalent to 42 /8s, 187 /16s and 152 /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: 155345
Total ARIN prefixes after maximum aggregation: 78505
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155982
Unique aggregates announced from the ARIN address blocks: 70726
ARIN Region origin ASes present in the Internet Routing Table: 15395
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5817
ARIN Region transit ASes present in the Internet Routing Table: 1590
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: 1091694464
Equivalent to 65 /8s, 17 /16s and 239 /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: 113239
Total RIPE prefixes after maximum aggregation: 58398
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116297
Unique aggregates announced from the RIPE address blocks: 74384
RIPE Region origin ASes present in the Internet Routing Table: 17027
RIPE Prefixes per ASN: 6.83
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2778
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: 2134
Number of RIPE addresses announced to Internet: 652950116
Equivalent to 38 /8s, 235 /16s and 58 /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: 45998
Total LACNIC prefixes after maximum aggregation: 9123
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 49705
Unique aggregates announced from the LACNIC address blocks: 23505
LACNIC Region origin ASes present in the Internet Routing Table: 1781
LACNIC Prefixes per ASN: 27.91
LACNIC Region origin ASes announcing only one prefix: 512
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: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 740
Number of LACNIC addresses announced to Internet: 122143272
Equivalent to 7 /8s, 71 /16s and 194 /24s
Percentage of available LACNIC address space announced: 72.8
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: 9709
Total AfriNIC prefixes after maximum aggregation: 2376
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 10294
Unique aggregates announced from the AfriNIC address blocks: 3677
AfriNIC Region origin ASes present in the Internet Routing Table: 588
AfriNIC Prefixes per ASN: 17.51
AfriNIC Region origin ASes announcing only one prefix: 185
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: 43982848
Equivalent to 2 /8s, 159 /16s and 32 /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 2940 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1818 301 86 TPG Internet Pty Ltd
4755 1670 382 176 TATA Communications formerly
9829 1422 1152 45 BSNL National Internet Backbo
9583 1200 89 502 Sify Limited
4808 1128 2046 318 CNCGROUP IP network: China169
7552 1120 1070 12 Vietel Corporation
9498 1050 310 74 BHARTI Airtel Ltd.
24560 1040 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 3102 3700 120 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 1685 1606 625 Charter Communications
4323 1600 1155 394 Time Warner Telecom
30036 1352 288 692 Mediacom Communications Corp
7018 1301 10550 860 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 1910 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 918 227 212 BILISIM TELEKOM
13188 841 99 22 Educational Network
12479 833 778 65 Uni2 Autonomous System
31148 744 38 14 FreeNet ISP
20940 722 242 570 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 2285 391 226 TVCABLE BOGOTA
28573 2261 1302 78 NET Servicos de Comunicao S.A
7303 1670 1139 204 Telecom Argentina Stet-France
8151 1537 2892 371 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 889 275 36 LINKdotNET AS number
36998 669 80 4 MOBITEL
8452 545 958 13 TEDATA
6713 499 602 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
16637 191 696 90 MTN Network Solutions
29975 191 667 21 Vodacom
15706 189 32 6 Sudatel Internet Exchange Aut
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 3102 3700 120 bellsouth.net, inc.
4766 2940 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
7029 2287 1265 212 Windstream Communications Inc
10620 2285 391 226 TVCABLE BOGOTA
28573 2261 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 1910 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 2261 2183 NET Servicos de Comunicao S.A
7029 2287 2075 Windstream Communications Inc
10620 2285 2059 TVCABLE BOGOTA
4766 2940 2020 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1910 1894 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 /17:6587 /18:10944
/19:21673 /20:31112 /21:33164 /22:44683 /23:40774 /24:230204
/25:1323 /26:1704 /27:867 /28:181 /29:76 /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 3102 bellsouth.net, inc.
7029 1643 2287 Windstream Communications Inc
8402 1624 1910 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)
----------------------------------------------
1:675 2:789 3:3 4:13 5:723 6:3
8:487 12:1928 13:3 14:712 15:11 16:3
17:8 20:27 23:223 24:1800 27:1481 31:1120
32:54 33:2 34:4 36:9 37:1223 38:845
39:2 40:138 41:2628 42:180 44:3 46:1730
47:1 49:545 50:655 52:12 54:28 55:5
57:28 58:1074 59:560 60:243 61:1314 62:1022
63:2046 64:4299 65:2161 66:4319 67:2122 68:1120
69:3252 70:859 71:537 72:1879 74:2545 75:418
76:294 77:1017 78:1032 79:543 80:1228 81:989
82:658 83:537 84:575 85:1160 86:472 87:967
88:367 89:1739 90:283 91:5405 92:612 93:1661
94:1988 95:1599 96:489 97:338 98:1052 99:52
100:31 101:291 103:2013 105:432 106:129 107:208
108:504 109:1728 110:847 111:994 112:469 113:750
114:682 115:927 116:899 117:783 118:959 119:1279
120:328 121:700 122:1730 123:1180 124:1323 125:1297
128:563 129:203 130:309 131:620 132:321 133:142
134:255 135:62 136:219 137:233 138:338 139:159
140:206 141:311 142:518 143:366 144:479 145:89
146:525 147:328 148:732 149:336 150:158 151:261
152:399 153:189 154:24 155:417 156:234 157:385
158:257 159:698 160:335 161:419 162:367 163:195
164:589 165:459 166:457 167:571 168:1005 169:130
170:1004 171:162 172:4 173:1551 174:752 175:421
176:1023 177:1599 178:1696 180:1369 181:211 182:1151
183:313 184:630 185:172 186:2203 187:1478 188:1894
189:1571 190:6375 192:6158 193:5844 194:4666 195:3659
196:1242 197:347 198:4065 199:5174 200:5949 201:2148
202:8803 203:8747 204:4466 205:2544 206:2794 207:2785
208:4072 209:3517 210:2905 211:1560 212:2003 213:1871
214:886 215:91 216:5059 217:1573 218:599 219:325
220:1239 221:528 222:323 223:409
End of report
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