* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 20 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437953
Prefixes after maximum aggregation: 180810
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215400
Total ASes present in the Internet Routing Table: 42886
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 33978
Origin ASes announcing only one prefix: 15854
Transit ASes present in the Internet Routing Table: 5683
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 44
Max AS path prepend of ASN ( 50281) 40
Prefixes from unregistered ASNs in the Routing Table: 1201
Unregistered ASNs in the Routing Table: 432
Number of 32-bit ASNs allocated by the RIRs: 3587
Number of 32-bit ASNs visible in the Routing Table: 3225
Prefixes from 32-bit ASNs in the Routing Table: 8702
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 179
Number of addresses announced to Internet: 2618878412
Equivalent to 156 /8s, 24 /16s and 233 /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: 94.1
Total number of prefixes smaller than registry allocations: 154733
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105208
Total APNIC prefixes after maximum aggregation: 32771
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106122
Unique aggregates announced from the APNIC address blocks: 43460
APNIC Region origin ASes present in the Internet Routing Table: 4810
APNIC Prefixes per ASN: 22.06
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 795
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: 387
Number of APNIC addresses announced to Internet: 715830848
Equivalent to 42 /8s, 170 /16s and 182 /24s
Percentage of available APNIC address space announced: 83.7
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: 155996
Total ARIN prefixes after maximum aggregation: 78405
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156672
Unique aggregates announced from the ARIN address blocks: 70596
ARIN Region origin ASes present in the Internet Routing Table: 15351
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5794
ARIN Region transit ASes present in the Internet Routing Table: 1587
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: 18
Number of ARIN addresses announced to Internet: 1089207424
Equivalent to 64 /8s, 235 /16s and 252 /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: 112938
Total RIPE prefixes after maximum aggregation: 58214
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115836
Unique aggregates announced from the RIPE address blocks: 74424
RIPE Region origin ASes present in the Internet Routing Table: 16995
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8130
RIPE Region transit ASes present in the Internet Routing Table: 2750
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 44
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2083
Number of RIPE addresses announced to Internet: 650316516
Equivalent to 38 /8s, 195 /16s and 10 /24s
Percentage of available RIPE address space announced: 94.5
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: 45316
Total LACNIC prefixes after maximum aggregation: 9020
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48883
Unique aggregates announced from the LACNIC address blocks: 23139
LACNIC Region origin ASes present in the Internet Routing Table: 1750
LACNIC Prefixes per ASN: 27.93
LACNIC Region origin ASes announcing only one prefix: 497
LACNIC Region transit ASes present in the Internet Routing Table: 334
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 731
Number of LACNIC addresses announced to Internet: 120528168
Equivalent to 7 /8s, 47 /16s and 29 /24s
Percentage of available LACNIC address space announced: 71.8
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: 9670
Total AfriNIC prefixes after maximum aggregation: 2347
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 10261
Unique aggregates announced from the AfriNIC address blocks: 3621
AfriNIC Region origin ASes present in the Internet Routing Table: 585
AfriNIC Prefixes per ASN: 17.54
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 4.6
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: 42649600
Equivalent to 2 /8s, 138 /16s and 200 /24s
Percentage of available AfriNIC address space announced: 42.4
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 2927 11556 905 Korea Telecom (KIX)
17974 2488 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1813 301 88 TPG Internet Pty Ltd
4755 1661 381 174 TATA Communications formerly
9829 1417 1156 42 BSNL National Internet Backbo
9583 1183 88 501 Sify Limited
7552 1146 1070 12 Vietel Corporation
4808 1128 2056 318 CNCGROUP IP network: China169
9498 1036 307 69 BHARTI Airtel Ltd.
24560 1036 385 165 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 3472 1010 215 Windstream Communications Inc
6389 3123 3718 134 bellsouth.net, inc.
18566 2081 382 180 Covad Communications
22773 1949 2932 131 Cox Communications, Inc.
1785 1939 678 125 PaeTec Communications, Inc.
20115 1688 1607 623 Charter Communications
4323 1593 1155 396 Time Warner Telecom
30036 1383 292 720 Mediacom Communications Corp
7018 1292 10533 854 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 1814 544 16 Corbina telecom
2118 1308 97 15 EUnet/RELCOM Autonomous Syste
34984 880 211 229 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 763 95 127 Educational Network
31148 743 38 15 FreeNet ISP
6830 715 2313 436 UPC Distribution Services
20940 713 229 547 Akamai Technologies European
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 617 367 39 Bezeq International
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 2264 386 207 TVCABLE BOGOTA
28573 2227 1298 69 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1579 2976 358 UniNet S.A. de C.V.
6503 1497 435 67 AVANTEL, S.A.
27947 767 85 94 Telconet S.A
18881 742 716 18 Global Village Telecom
3816 661 309 71 Empresa Nacional de Telecomun
11172 600 85 65 Servicios Alestra S.A de C.V
7738 579 1178 33 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 874 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 553 958 13 TEDATA
6713 485 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 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 3472 1010 215 Windstream Communications Inc
6389 3123 3718 134 bellsouth.net, inc.
4766 2927 11556 905 Korea Telecom (KIX)
17974 2488 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2264 386 207 TVCABLE BOGOTA
28573 2227 1298 69 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1949 2932 131 Cox Communications, Inc.
1785 1939 678 125 PaeTec Communications, Inc.
8402 1814 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
6389 3123 2989 bellsouth.net, inc.
17974 2488 2434 PT TELEKOMUNIKASI INDONESIA
28573 2227 2158 NET Servicos de Comunicao S.A
10620 2264 2057 TVCABLE BOGOTA
4766 2927 2022 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1949 1818 Cox Communications, Inc.
1785 1939 1814 PaeTec Communications, Inc.
8402 1814 1798 Corbina telecom
7545 1813 1725 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
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark
61395 UNALLOCATED 5.83.60.0/22 3292 TDC Tele Danmark
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
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
128.0.64.0/22 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
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
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.
64.185.226.0/24 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
/13:477 /14:855 /15:1542 /16:12486 /17:6559 /18:10942
/19:21610 /20:30991 /21:32937 /22:44258 /23:40753 /24:229984
/25:1311 /26:1688 /27:868 /28:181 /29:81 /30:17
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2728 3472 Windstream Communications Inc
18566 2031 2081 Covad Communications
6389 1775 3123 bellsouth.net, inc.
8402 1540 1814 Corbina telecom
30036 1287 1383 Mediacom Communications Corp
22773 1281 1949 Cox Communications, Inc.
11492 1149 1186 Cable One
1785 1022 1939 PaeTec Communications, Inc.
6503 1015 1497 AVANTEL, S.A.
7011 954 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:701 2:747 3:3 4:13 5:693 6:3
8:487 12:1934 13:3 14:701 15:11 16:3
17:6 20:27 23:220 24:1793 27:1461 31:1336
32:54 33:2 34:2 36:10 37:1133 38:844
39:2 40:142 41:2645 42:179 44:3 46:1717
47:3 49:509 50:634 52:12 54:28 55:8
56:1 57:28 58:1072 59:555 60:236 61:1308
62:1035 63:2017 64:4351 65:2207 66:4502 67:2083
68:1203 69:3334 70:935 71:557 72:1895 74:2635
75:476 76:293 77:1043 78:1025 79:517 80:1210
81:981 82:645 83:538 84:531 85:1157 86:458
87:965 88:354 89:1752 90:304 91:5369 92:606
93:1623 94:1970 95:1627 96:486 97:338 98:965
99:40 100:31 101:286 103:1949 105:501 106:117
107:203 108:507 109:1732 110:829 111:968 112:459
113:744 114:643 115:891 116:890 117:780 118:964
119:1268 120:374 121:708 122:1735 123:1173 124:1320
125:1297 128:808 129:200 130:302 131:637 132:316
133:142 134:255 135:62 136:215 137:236 138:344
139:169 140:182 141:300 142:513 143:355 144:490
145:89 146:523 147:295 148:735 149:332 150:153
151:238 152:399 153:187 154:22 155:443 156:231
157:379 158:257 159:682 160:335 161:419 162:371
163:193 164:581 165:451 166:474 167:568 168:998
169:131 170:1004 171:164 172:4 173:1657 174:634
175:446 176:883 177:1485 178:1738 180:1353 181:187
182:1113 183:295 184:630 185:129 186:2153 187:1451
188:1895 189:1583 190:6122 192:6092 193:5712 194:4655
195:3654 196:1233 197:288 198:4000 199:5160 200:6019
201:2016 202:8864 203:8738 204:4479 205:2556 206:2821
207:2837 208:4066 209:3654 210:2905 211:1527 212:2095
213:1870 214:865 215:90 216:5187 217:1583 218:597
219:321 220:1256 221:543 222:324 223:374
End of report
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