* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 21 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 465255
Prefixes after maximum aggregation: 187756
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 233042
Total ASes present in the Internet Routing Table: 41088
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 35269
Origin ASes announcing only one prefix: 16306
Transit ASes present in the Internet Routing Table: 5812
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 324
Unregistered ASNs in the Routing Table: 176
Number of 32-bit ASNs allocated by the RIRs: 5228
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12407
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 761
Number of addresses announced to Internet: 2669734912
Equivalent to 159 /8s, 32 /16s and 236 /24s
Percentage of available address space announced: 72.1
Percentage of allocated address space announced: 72.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.1
Total number of prefixes smaller than registry allocations: 162265
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107201
Total APNIC prefixes after maximum aggregation: 33065
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109917
Unique aggregates announced from the APNIC address blocks: 46847
APNIC Region origin ASes present in the Internet Routing Table: 4851
APNIC Prefixes per ASN: 22.66
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 819
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: 1
Number of APNIC addresses announced to Internet: 727475968
Equivalent to 43 /8s, 92 /16s and 103 /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: 162051
Total ARIN prefixes after maximum aggregation: 81063
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162584
Unique aggregates announced from the ARIN address blocks: 75898
ARIN Region origin ASes present in the Internet Routing Table: 15842
ARIN Prefixes per ASN: 10.26
ARIN Region origin ASes announcing only one prefix: 6013
ARIN Region transit ASes present in the Internet Routing Table: 1611
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1072846848
Equivalent to 63 /8s, 242 /16s and 88 /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: 119254
Total RIPE prefixes after maximum aggregation: 61226
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122837
Unique aggregates announced from the RIPE address blocks: 79019
RIPE Region origin ASes present in the Internet Routing Table: 17482
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8292
RIPE Region transit ASes present in the Internet Routing Table: 2805
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656367616
Equivalent to 39 /8s, 31 /16s and 96 /24s
Percentage of available RIPE address space announced: 95.4
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: 51714
Total LACNIC prefixes after maximum aggregation: 9752
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 56730
Unique aggregates announced from the LACNIC address blocks: 26622
LACNIC Region origin ASes present in the Internet Routing Table: 2030
LACNIC Prefixes per ASN: 27.95
LACNIC Region origin ASes announcing only one prefix: 568
LACNIC Region transit ASes present in the Internet Routing Table: 368
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 140859392
Equivalent to 8 /8s, 101 /16s and 88 /24s
Percentage of available LACNIC address space announced: 84.0
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: 11773
Total AfriNIC prefixes after maximum aggregation: 2545
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 12424
Unique aggregates announced from the AfriNIC address blocks: 3987
AfriNIC Region origin ASes present in the Internet Routing Table: 659
AfriNIC Prefixes per ASN: 18.85
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 133
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: 1
Number of AfriNIC addresses announced to Internet: 47783424
Equivalent to 2 /8s, 217 /16s and 30 /24s
Percentage of available AfriNIC address space announced: 47.5
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 2715 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2142 11555 644 Korea Telecom (KIX)
7545 2078 319 112 TPG Internet Pty Ltd
4755 1793 400 183 TATA Communications formerly
9829 1556 1241 43 BSNL National Internet Backbo
9583 1241 94 511 Sify Limited
9498 1213 310 79 BHARTI Airtel Ltd.
7552 1145 1080 13 Vietel Corporation
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
4808 1077 2022 312 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 3059 3689 58 BellSouth.net Inc.
22773 2183 2943 141 Cox Communications, Inc.
18566 2056 379 179 Covad Communications
1785 2033 682 132 PaeTec Communications, Inc.
20115 1682 1653 613 Charter Communications
4323 1625 1120 425 Time Warner Telecom
701 1509 11145 786 UUNET Technologies, Inc.
30036 1392 314 570 Mediacom Communications Corp
7018 1337 17539 867 AT&T WorldNet Services
6983 1294 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 1806 544 17 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1077 396 824 Akamai Technologies European
31148 995 44 20 FreeNet ISP
6830 894 2332 427 UPC Distribution Services
13188 879 99 62 TOV "Bank-Inform"
8551 768 370 41 Bezeq International
12479 687 799 49 Uni2 Autonomous System
9116 555 327 36 Goldenlines main autonomous s
35228 540 246 16 Avatar Broadband Limited
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 3427 1772 91 NET Servicos de Comunicao S.A
10620 2606 424 245 TVCABLE BOGOTA
7303 1723 1135 236 Telecom Argentina Stet-France
18881 1473 844 20 Global Village Telecom
8151 1331 2821 417 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 815 94 92 Telconet S.A
6147 791 373 27 Telefonica Del Peru
6503 785 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia 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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 882 337 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 422 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 11 Ci Telecom Autonomous system
36992 223 501 29 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
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 3427 1772 91 NET Servicos de Comunicao S.A
6389 3059 3689 58 BellSouth.net Inc.
17974 2715 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2606 424 245 TVCABLE BOGOTA
22773 2183 2943 141 Cox Communications, Inc.
4766 2142 11555 644 Korea Telecom (KIX)
7545 2078 319 112 TPG Internet Pty Ltd
18566 2056 379 179 Covad Communications
1785 2033 682 132 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
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 3059 3001 BellSouth.net Inc.
17974 2715 2626 PT TELEKOMUNIKASI INDONESIA
10620 2606 2361 TVCABLE BOGOTA
22773 2183 2042 Cox Communications, Inc.
7545 2078 1966 TPG Internet Pty Ltd
1785 2033 1901 PaeTec Communications, Inc.
18566 2056 1877 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1806 1789 OJSC "Vimpelcom"
4755 1793 1610 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 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
10.1.1.48/29 0 *
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
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.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 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 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 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 /12:252
/13:479 /14:915 /15:1625 /16:12799 /17:6729 /18:11185
/19:22962 /20:32659 /21:35231 /22:49618 /23:42704 /24:247286
/25:9 /26:11 /27:11 /28:127 /29:220 /30:144
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2056 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1709 3059 BellSouth.net Inc.
8402 1509 1806 OJSC "Vimpelcom"
22773 1450 2183 Cox Communications, Inc.
30036 1241 1392 Mediacom Communications Corp
11492 1193 1234 Cable One
1785 1089 2033 PaeTec Communications, Inc.
6983 1035 1294 ITC^Deltacom
22561 963 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:845 2:875 3:3 4:16 5:987 6:20
8:605 12:1887 13:3 14:853 15:11 16:3
17:17 18:19 20:21 23:417 24:1706 27:1627
31:1490 32:40 33:2 34:5 36:82 37:1824
38:910 39:4 40:181 41:3296 42:246 44:12
46:2013 47:7 49:679 50:821 52:12 54:39
55:3 56:2 57:29 58:1091 59:569 60:355
61:1461 62:1189 63:1977 64:4555 65:2345 66:4136
67:2161 68:1097 69:3262 70:874 71:494 72:2016
74:2569 75:326 76:306 77:1138 78:1080 79:650
80:1331 81:1018 82:634 83:584 84:609 85:1222
86:454 87:1018 88:561 89:1749 90:155 91:5660
92:613 93:1609 94:2038 95:1599 96:518 97:344
98:1048 99:40 100:30 101:365 103:3434 105:524
106:143 107:211 108:494 109:1916 110:962 111:1090
112:577 113:794 114:717 115:990 116:974 117:805
118:1173 119:1262 120:364 121:739 122:1790 123:1225
124:1351 125:1431 128:605 129:214 130:310 131:658
132:340 133:158 134:669 135:67 136:277 137:238
138:348 139:172 140:171 141:309 142:532 143:409
144:496 145:93 146:515 147:396 148:696 149:352
150:155 151:601 152:410 153:204 154:49 155:484
156:287 157:373 158:284 159:684 160:355 161:449
162:795 163:206 164:630 165:661 166:258 167:622
168:1036 169:134 170:1118 171:211 172:25 173:1609
174:680 175:500 176:1238 177:2354 178:1937 179:184
180:1570 181:761 182:1332 183:455 184:652 185:934
186:2613 187:1469 188:1875 189:1276 190:7202 192:7020
193:5411 194:4031 195:3322 196:1318 197:1051 198:4691
199:5424 200:6079 201:2539 202:8799 203:8851 204:4492
205:2643 206:2738 207:2844 208:3996 209:3630 210:2900
211:1557 212:2234 213:2021 214:893 215:90 216:5320
217:1679 218:613 219:306 220:1275 221:576 222:323
223:495
End of report
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