Routing Table Report 08:00 +10GMT Fri 18 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464291
Prefixes after maximum aggregation: 187650
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 233010
Total ASes present in the Internet Routing Table: 41075
Prefixes per ASN: 11.30
Origin-only ASes present in the Internet Routing Table: 35255
Origin ASes announcing only one prefix: 16305
Transit ASes present in the Internet Routing Table: 5813
Transit-only ASes present in the Internet Routing Table: 136
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: 321
Unregistered ASNs in the Routing Table: 173
Number of 32-bit ASNs allocated by the RIRs: 5205
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12377
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 764
Number of addresses announced to Internet: 2669030144
Equivalent to 159 /8s, 22 /16s and 43 /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: 162122
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107030
Total APNIC prefixes after maximum aggregation: 33060
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109728
Unique aggregates announced from the APNIC address blocks: 46800
APNIC Region origin ASes present in the Internet Routing Table: 4847
APNIC Prefixes per ASN: 22.64
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 819
Average APNIC Region AS path length visible: 3.9
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: 727034624
Equivalent to 43 /8s, 85 /16s and 171 /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: 161467
Total ARIN prefixes after maximum aggregation: 80966
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161996
Unique aggregates announced from the ARIN address blocks: 75946
ARIN Region origin ASes present in the Internet Routing Table: 15851
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6028
ARIN Region transit ASes present in the Internet Routing Table: 1615
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: 1072619776
Equivalent to 63 /8s, 238 /16s and 225 /24s
Percentage of available ARIN address space announced: 56.7
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: 119279
Total RIPE prefixes after maximum aggregation: 61254
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122861
Unique aggregates announced from the RIPE address blocks: 79056
RIPE Region origin ASes present in the Internet Routing Table: 17470
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8283
RIPE Region transit ASes present in the Internet Routing Table: 2792
Average RIPE Region AS path length visible: 3.6
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: 656667648
Equivalent to 39 /8s, 35 /16s and 244 /24s
Percentage of available RIPE address space announced: 95.5
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, 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: 51581
Total LACNIC prefixes after maximum aggregation: 9727
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 56577
Unique aggregates announced from the LACNIC address blocks: 26578
LACNIC Region origin ASes present in the Internet Routing Table: 2029
LACNIC Prefixes per ASN: 27.88
LACNIC Region origin ASes announcing only one prefix: 565
LACNIC Region transit ASes present in the Internet Routing Table: 372
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: 140549376
Equivalent to 8 /8s, 96 /16s and 157 /24s
Percentage of available LACNIC address space announced: 83.8
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: 11715
Total AfriNIC prefixes after maximum aggregation: 2542
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12363
Unique aggregates announced from the AfriNIC address blocks: 3986
AfriNIC Region origin ASes present in the Internet Routing Table: 659
AfriNIC Prefixes per ASN: 18.76
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: 47778816
Equivalent to 2 /8s, 217 /16s and 12 /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 2713 903 90 PT TELEKOMUNIKASI INDONESIA
4766 2141 11555 644 Korea Telecom (KIX)
7545 2079 319 113 TPG Internet Pty Ltd
4755 1793 400 183 TATA Communications formerly
9829 1553 1241 43 BSNL National Internet Backbo
9583 1241 94 511 Sify Limited
9498 1214 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 2173 2943 141 Cox Communications, Inc.
18566 2056 379 179 Covad Communications
1785 2027 680 130 PaeTec Communications, Inc.
20115 1682 1653 613 Charter Communications
4323 1623 1120 423 Time Warner Telecom
701 1508 11145 785 UUNET Technologies, Inc.
30036 1390 314 569 Mediacom Communications Corp
7018 1341 17539 868 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 1789 544 17 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1075 397 823 Akamai Technologies European
31148 995 44 20 FreeNet ISP
6830 893 2332 427 UPC Distribution Services
13188 879 99 62 TOV "Bank-Inform"
8551 770 370 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 3420 1772 96 NET Servicos de Comunicao S.A
10620 2602 423 249 TVCABLE BOGOTA
7303 1723 1135 236 Telecom Argentina Stet-France
18881 1472 844 20 Global Village Telecom
8151 1331 2821 417 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 813 94 91 Telconet S.A
6503 785 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 735 299 122 Empresa Nacional de Telecomun
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 881 274 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 425 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 257 921 216 The Internet Solution
29571 223 17 11 Ci Telecom Autonomous system
36992 222 501 28 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 3420 1772 96 NET Servicos de Comunicao S.A
6389 3059 3689 58 BellSouth.net Inc.
17974 2713 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2602 423 249 TVCABLE BOGOTA
22773 2173 2943 141 Cox Communications, Inc.
4766 2141 11555 644 Korea Telecom (KIX)
7545 2079 319 113 TPG Internet Pty Ltd
18566 2056 379 179 Covad Communications
1785 2027 680 130 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 2713 2623 PT TELEKOMUNIKASI INDONESIA
10620 2602 2353 TVCABLE BOGOTA
22773 2173 2032 Cox Communications, Inc.
7545 2079 1966 TPG Internet Pty Ltd
1785 2027 1897 PaeTec Communications, Inc.
18566 2056 1877 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1789 1772 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 12.45.103.0/24 209 Qwest
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 /14:914 /15:1623 /16:12785 /17:6722 /18:11185
/19:22959 /20:32607 /21:35171 /22:49445 /23:42605 /24:246743
/25:9 /26:11 /27:10 /28:126 /29:217 /30:141
/31:0 /32:135
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 1488 1789 OJSC "Vimpelcom"
22773 1443 2173 Cox Communications, Inc.
30036 1241 1390 Mediacom Communications Corp
11492 1192 1233 Cable One
1785 1088 2027 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)
----------------------------------------------
1:851 2:854 3:3 4:16 5:994 6:20
8:604 12:1892 13:3 14:850 15:11 16:3
17:17 18:19 20:21 23:475 24:1706 27:1617
31:1484 32:40 33:2 34:5 36:81 37:1841
38:909 39:3 40:181 41:3263 42:246 44:12
46:2023 47:7 49:682 50:826 52:12 54:39
55:4 56:2 57:29 58:1091 59:569 60:355
61:1463 62:1191 63:1975 64:4551 65:2345 66:4136
67:2122 68:1081 69:3277 70:873 71:495 72:2016
74:2566 75:326 76:306 77:1132 78:1074 79:640
80:1331 81:1017 82:629 83:584 84:608 85:1224
86:454 87:1019 88:562 89:1750 90:157 91:5646
92:615 93:1601 94:2040 95:1620 96:511 97:344
98:1048 99:40 100:30 101:366 103:3403 105:524
106:143 107:211 108:493 109:1905 110:965 111:1091
112:573 113:790 114:694 115:989 116:974 117:805
118:1172 119:1261 120:365 121:735 122:1791 123:1223
124:1343 125:1431 128:610 129:214 130:310 131:657
132:339 133:158 134:537 135:67 136:276 137:238
138:348 139:172 140:170 141:319 142:533 143:409
144:485 145:96 146:513 147:395 148:696 149:351
150:155 151:588 152:413 153:202 154:51 155:485
156:281 157:371 158:283 159:682 160:354 161:449
162:787 163:206 164:630 165:559 166:258 167:620
168:1035 169:127 170:1117 171:190 172:25 173:1614
174:679 175:500 176:1231 177:2359 178:1931 179:186
180:1567 181:754 182:1329 183:454 184:651 185:936
186:2607 187:1500 188:1875 189:1278 190:7215 192:7008
193:5414 194:4033 195:3323 196:1321 197:1043 198:4686
199:5431 200:6044 201:2537 202:8782 203:8832 204:4464
205:2610 206:2740 207:2847 208:3995 209:3630 210:2891
211:1554 212:2230 213:2014 214:885 215:90 216:5329
217:1686 218:613 219:308 220:1275 221:576 222:323
223:494
End of report