* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 06 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 468755
Prefixes after maximum aggregation: 188500
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234649
Total ASes present in the Internet Routing Table: 45471
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35412
Origin ASes announcing only one prefix: 16271
Transit ASes present in the Internet Routing Table: 5819
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 55644) 25
Prefixes from unregistered ASNs in the Routing Table: 1045
Unregistered ASNs in the Routing Table: 286
Number of 32-bit ASNs allocated by the RIRs: 5446
Number of 32-bit ASNs visible in the Routing Table: 4240
Prefixes from 32-bit ASNs in the Routing Table: 13149
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1343
Number of addresses announced to Internet: 2677065984
Equivalent to 159 /8s, 144 /16s and 201 /24s
Percentage of available address space announced: 72.3
Percentage of allocated address space announced: 72.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.3
Total number of prefixes smaller than registry allocations: 163064
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108331
Total APNIC prefixes after maximum aggregation: 33418
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 111229
Unique aggregates announced from the APNIC address blocks: 47675
APNIC Region origin ASes present in the Internet Routing Table: 4840
APNIC Prefixes per ASN: 22.98
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 821
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 772
Number of APNIC addresses announced to Internet: 727501312
Equivalent to 43 /8s, 92 /16s and 202 /24s
Percentage of available APNIC address space announced: 85.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 161718
Total ARIN prefixes after maximum aggregation: 81321
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162508
Unique aggregates announced from the ARIN address blocks: 75660
ARIN Region origin ASes present in the Internet Routing Table: 15876
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6002
ARIN Region transit ASes present in the Internet Routing Table: 1593
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 41
Number of ARIN addresses announced to Internet: 1072950528
Equivalent to 63 /8s, 243 /16s and 237 /24s
Percentage of available ARIN address space announced: 56.8
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, 62464-63487, 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: 119795
Total RIPE prefixes after maximum aggregation: 61084
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123548
Unique aggregates announced from the RIPE address blocks: 78949
RIPE Region origin ASes present in the Internet Routing Table: 17525
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8290
RIPE Region transit ASes present in the Internet Routing Table: 2807
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2512
Number of RIPE addresses announced to Internet: 655683328
Equivalent to 39 /8s, 20 /16s and 239 /24s
Percentage of available RIPE address space announced: 95.3
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, 61952-62463, 196608-200191
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: 52438
Total LACNIC prefixes after maximum aggregation: 9883
LACNIC Deaggregation factor: 5.31
Prefixes being announced from the LACNIC address blocks: 57598
Unique aggregates announced from the LACNIC address blocks: 27273
LACNIC Region origin ASes present in the Internet Routing Table: 2035
LACNIC Prefixes per ASN: 28.30
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 384
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 907
Number of LACNIC addresses announced to Internet: 145708800
Equivalent to 8 /8s, 175 /16s and 87 /24s
Percentage of available LACNIC address space announced: 86.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11892
Total AfriNIC prefixes after maximum aggregation: 2571
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 12528
Unique aggregates announced from the AfriNIC address blocks: 4025
AfriNIC Region origin ASes present in the Internet Routing Table: 686
AfriNIC Prefixes per ASN: 18.26
AfriNIC Region origin ASes announcing only one prefix: 202
AfriNIC Region transit ASes present in the Internet Routing Table: 140
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8
Number of AfriNIC addresses announced to Internet: 48514560
Equivalent to 2 /8s, 228 /16s and 70 /24s
Percentage of available AfriNIC address space announced: 48.2
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
17974 2720 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2095 319 109 TPG Internet Pty Ltd
4755 1809 401 186 TATA Communications formerly
9829 1538 1245 45 BSNL National Internet Backbo
9583 1316 103 540 Sify Limited
9498 1220 309 74 BHARTI Airtel Ltd.
7552 1167 1080 13 Vietel Corporation
24560 1098 382 166 Bharti Airtel Ltd., Telemedia
4808 1058 2014 310 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3039 3688 53 BellSouth.net Inc.
22773 2213 2939 138 Cox Communications, Inc.
18566 2049 379 177 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
20115 1684 1657 600 Charter Communications
4323 1648 1114 420 Time Warner Telecom
701 1511 11144 784 MCI Communications Services,
30036 1381 311 581 Mediacom Communications Corp
7018 1337 17797 876 AT&T WorldNet Services
6983 1293 755 578 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1860 544 16 OJSC "Vimpelcom"
34984 1368 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1200 455 900 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 896 99 42 TOV "Bank-Inform"
6849 856 363 39 JSC UKRTELECOM,
8551 796 370 41 Bezeq International
6830 773 2327 425 UPC Distribution Services
12479 679 798 53 Uni2 Autonomous System
9116 554 326 35 Goldenlines main autonomous s
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3403 1827 109 NET Servicos de Comunicao S.A
10620 2674 433 214 Telmex Colombia S.A.
7303 1735 1161 230 Telecom Argentina Stet-France
18881 1708 908 20 Global Village Telecom
8151 1354 2852 419 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 823 94 90 Telconet S.A
6147 795 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 773 434 61 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1854 112 5 Sudanese Mobile Telephone (ZA
24863 871 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 247 921 209 The Internet Solution
29571 231 21 15 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
15706 219 32 6 Sudatel Internet Exchange Aut
37054 212 11 5 Data Telecom Service
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3403 1827 109 NET Servicos de Comunicao S.A
6389 3039 3688 53 BellSouth.net Inc.
17974 2720 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2674 433 214 Telmex Colombia S.A.
22773 2213 2939 138 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2095 319 109 TPG Internet Pty Ltd
18566 2049 379 177 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
8402 1860 544 16 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3039 2986 BellSouth.net Inc.
17974 2720 2632 PT TELEKOMUNIKASI INDONESIA
10620 2674 2460 Telmex Colombia S.A.
22773 2213 2075 Cox Communications, Inc.
7545 2095 1986 TPG Internet Pty Ltd
1785 2048 1917 PaeTec Communications, Inc.
18566 2049 1872 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1860 1844 OJSC "Vimpelcom"
18881 1708 1688 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 3356 Level 3 Communicatio
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
65333 PRIVATE 10.0.0.0/8 0 *
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
62861 UNALLOCATED 12.37.197.0/24 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
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 IANA Private Address Space
100.64.0.0/10 65333 IANA Private Address Space
169.254.0.0/16 65333 IANA Private Address Space
172.16.0.0/12 65333 IANA Private Address Space
192.0.0.0/24 65333 IANA Private Address Space
192.0.2.0/24 65333 IANA Private Address Space
192.168.0.0/16 0 *
198.18.0.0/15 65333 IANA Private Address Space
198.51.100.0/24 65333 IANA Private Address Space
203.0.113.0/24 65333 IANA Private Address Space
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/london/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 /8:17 /9:11 /10:32 /11:92 /12:254
/13:474 /14:934 /15:1637 /16:12808 /17:6798 /18:11277
/19:23128 /20:33017 /21:35441 /22:49674 /23:43621 /24:248865
/25:8 /26:11 /27:12 /28:126 /29:218 /30:159
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2004 2049 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1700 3039 BellSouth.net Inc.
8402 1568 1860 OJSC "Vimpelcom"
22773 1466 2213 Cox Communications, Inc.
30036 1221 1381 Mediacom Communications Corp
11492 1183 1221 Cable One
1785 1088 2048 PaeTec Communications, Inc.
6983 1035 1293 ITC^Deltacom
22561 962 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:919 2:832 3:3 4:15 5:806 6:21
8:608 12:1878 13:3 14:878 15:11 16:3
17:19 18:19 20:25 23:615 24:1750 27:1698
31:1522 32:40 33:2 34:5 36:96 37:1940
38:912 39:5 40:181 41:3349 42:226 44:13
46:2054 47:11 49:700 50:860 52:12 54:44
55:4 56:4 57:29 58:1065 59:580 60:365
61:1466 62:1251 63:1971 64:4399 65:2330 66:4137
67:2102 68:1086 69:3286 70:899 71:503 72:1999
74:2585 75:324 76:304 77:1188 78:1009 79:667
80:1283 81:1052 82:637 83:755 84:584 85:1253
86:382 87:1045 88:548 89:1573 90:155 91:5699
92:613 93:1612 94:2119 95:1517 96:513 97:349
98:1101 99:41 100:32 101:442 103:3754 105:530
106:143 107:224 108:520 109:2011 110:969 111:1119
112:578 113:800 114:732 115:1002 116:997 117:809
118:1214 119:1268 120:331 121:740 122:1781 123:1263
124:1353 125:1437 128:599 129:223 130:338 131:662
132:343 133:158 134:292 135:72 136:276 137:264
138:352 139:168 140:172 141:328 142:536 143:406
144:497 145:90 146:542 147:423 148:726 149:367
150:152 151:486 152:414 153:207 154:46 155:514
156:303 157:368 158:284 159:695 160:361 161:451
162:913 163:205 164:625 165:575 166:275 167:639
168:1037 169:124 170:1124 171:185 172:11 173:1626
174:667 175:522 176:1298 177:2472 178:1872 179:314
180:1598 181:889 182:1405 183:475 184:619 185:1090
186:2635 187:1454 188:1940 189:1247 190:7225 192:7015
193:5423 194:4038 195:3364 196:1349 197:1065 198:4701
199:5476 200:6021 201:2523 202:8790 203:8807 204:4453
205:2632 206:2797 207:2723 208:3956 209:3638 210:2942
211:1583 212:2196 213:1995 214:884 215:84 216:5385
217:1714 218:627 219:311 220:1263 221:587 222:328
223:511
End of report
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