* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 02 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 438524
Prefixes after maximum aggregation: 181095
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215407
Total ASes present in the Internet Routing Table: 42948
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 33993
Origin ASes announcing only one prefix: 15909
Transit ASes present in the Internet Routing Table: 5705
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 372
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 3616
Number of 32-bit ASNs visible in the Routing Table: 3250
Prefixes from 32-bit ASNs in the Routing Table: 8793
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2620798476
Equivalent to 156 /8s, 54 /16s and 54 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 154992
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105481
Total APNIC prefixes after maximum aggregation: 32815
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106407
Unique aggregates announced from the APNIC address blocks: 43567
APNIC Region origin ASes present in the Internet Routing Table: 4813
APNIC Prefixes per ASN: 22.11
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 798
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 395
Number of APNIC addresses announced to Internet: 716746240
Equivalent to 42 /8s, 184 /16s and 174 /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: 156108
Total ARIN prefixes after maximum aggregation: 78454
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156787
Unique aggregates announced from the ARIN address blocks: 70692
ARIN Region origin ASes present in the Internet Routing Table: 15361
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5809
ARIN Region transit ASes present in the Internet Routing Table: 1586
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: 1089467008
Equivalent to 64 /8s, 239 /16s and 242 /24s
Percentage of available ARIN address space announced: 57.6
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: 112870
Total RIPE prefixes after maximum aggregation: 58351
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115807
Unique aggregates announced from the RIPE address blocks: 74255
RIPE Region origin ASes present in the Internet Routing Table: 17005
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2767
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2104
Number of RIPE addresses announced to Internet: 650509924
Equivalent to 38 /8s, 197 /16s and 254 /24s
Percentage of available RIPE address space announced: 94.6
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: 45396
Total LACNIC prefixes after maximum aggregation: 9061
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 49001
Unique aggregates announced from the LACNIC address blocks: 23102
LACNIC Region origin ASes present in the Internet Routing Table: 1764
LACNIC Prefixes per ASN: 27.78
LACNIC Region origin ASes announcing only one prefix: 503
LACNIC Region transit ASes present in the Internet Routing Table: 336
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 728
Number of LACNIC addresses announced to Internet: 120872232
Equivalent to 7 /8s, 52 /16s and 93 /24s
Percentage of available LACNIC address space announced: 72.0
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: 9756
Total AfriNIC prefixes after maximum aggregation: 2361
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 10349
Unique aggregates announced from the AfriNIC address blocks: 3637
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 17.63
AfriNIC Region origin ASes announcing only one prefix: 191
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: 6
Number of AfriNIC addresses announced to Internet: 42901248
Equivalent to 2 /8s, 142 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2946 11556 914 Korea Telecom (KIX)
17974 2484 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1815 301 88 TPG Internet Pty Ltd
4755 1662 381 175 TATA Communications formerly
9829 1417 1156 42 BSNL National Internet Backbo
9583 1198 89 501 Sify Limited
7552 1143 1070 12 Vietel Corporation
4808 1124 2040 316 CNCGROUP IP network: China169
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1037 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
7029 3457 1010 215 Windstream Communications Inc
6389 3117 3701 131 bellsouth.net, inc.
18566 2081 382 180 Covad Communications
22773 1951 2932 131 Cox Communications, Inc.
1785 1941 678 124 PaeTec Communications, Inc.
20115 1687 1603 618 Charter Communications
4323 1597 1155 397 Time Warner Telecom
30036 1358 287 704 Mediacom Communications Corp
7018 1293 10549 853 AT&T WorldNet Services
7011 1201 320 682 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 1682 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 895 211 232 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 771 99 76 Educational Network
31148 743 38 15 FreeNet ISP
20940 731 240 569 Akamai Technologies European
6830 714 2313 435 UPC Distribution Services
8551 637 367 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 2270 387 207 TVCABLE BOGOTA
28573 2266 1299 70 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1543 2925 356 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 768 85 94 Telconet S.A
18881 740 716 18 Global Village Telecom
3816 672 309 71 Empresa Nacional de Telecomun
11172 601 86 66 Servicios Alestra S.A de C.V
7738 588 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 877 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 538 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 88 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
7029 3457 1010 215 Windstream Communications Inc
6389 3117 3701 131 bellsouth.net, inc.
4766 2946 11556 914 Korea Telecom (KIX)
17974 2484 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2270 387 207 TVCABLE BOGOTA
28573 2266 1299 70 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1951 2932 131 Cox Communications, Inc.
1785 1941 678 124 PaeTec Communications, Inc.
7545 1815 301 88 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3117 2986 bellsouth.net, inc.
17974 2484 2430 PT TELEKOMUNIKASI INDONESIA
28573 2266 2196 NET Servicos de Comunicao S.A
10620 2270 2063 TVCABLE BOGOTA
4766 2946 2032 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1951 1820 Cox Communications, Inc.
1785 1941 1817 PaeTec Communications, Inc.
7545 1815 1727 TPG Internet Pty Ltd
8402 1682 1666 Corbina telecom
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
128.0.64.0/22 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
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 mywire Datentechnik GmbH
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
41.223.108.0/22 36966 >>UNKNOWN<<
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
64.66.32.0/20 18864 >>UNKNOWN<<
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 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 /11:87 /12:244
/13:478 /14:859 /15:1546 /16:12492 /17:6568 /18:10943
/19:21624 /20:31082 /21:33062 /22:44299 /23:40842 /24:230177
/25:1302 /26:1691 /27:872 /28:180 /29:80 /30:17
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2724 3457 Windstream Communications Inc
18566 2031 2081 Covad Communications
6389 1773 3117 bellsouth.net, inc.
8402 1406 1682 Corbina telecom
22773 1282 1951 Cox Communications, Inc.
30036 1263 1358 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1023 1941 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
7011 950 1201 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:706 2:689 3:3 4:13 5:703 6:3
8:471 12:1930 13:3 14:701 15:11 16:3
17:6 20:27 23:221 24:1793 27:1467 31:1350
32:54 33:2 34:2 36:11 37:1152 38:840
39:2 40:141 41:2630 42:180 44:3 46:1707
47:3 49:528 50:656 52:12 54:28 55:8
56:1 57:28 58:1071 59:561 60:237 61:1316
62:1040 63:2019 64:4349 65:2197 66:4499 67:2088
68:1197 69:3331 70:939 71:555 72:1891 74:2620
75:474 76:296 77:1050 78:1033 79:526 80:1220
81:982 82:659 83:538 84:527 85:1164 86:465
87:970 88:362 89:1757 90:304 91:5380 92:612
93:1622 94:1988 95:1584 96:489 97:337 98:965
99:40 100:31 101:288 103:1960 105:501 106:125
107:203 108:510 109:1755 110:830 111:989 112:470
113:744 114:646 115:905 116:897 117:774 118:960
119:1267 120:372 121:707 122:1726 123:1172 124:1320
125:1301 128:811 129:199 130:308 131:645 132:319
133:142 134:254 135:62 136:216 137:235 138:343
139:170 140:182 141:299 142:516 143:352 144:491
145:89 146:518 147:324 148:730 149:335 150:157
151:244 152:399 153:188 154:23 155:443 156:231
157:374 158:257 159:681 160:335 161:421 162:370
163:193 164:580 165:458 166:464 167:569 168:1007
169:131 170:989 171:164 172:4 173:1634 174:767
175:466 176:947 177:1503 178:1706 180:1360 181:189
182:1144 183:291 184:652 185:151 186:2169 187:1449
188:1910 189:1568 190:6183 192:6089 193:5718 194:4490
195:3609 196:1256 197:292 198:4017 199:5159 200:6026
201:2024 202:8855 203:8750 204:4473 205:2542 206:2809
207:2812 208:4061 209:3663 210:2901 211:1560 212:2001
213:1866 214:859 215:91 216:5139 217:1571 218:596
219:323 220:1259 221:544 222:324 223:392
End of report
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