Routing Table Report 08:00 +10GMT Tue 01 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 462845
Prefixes after maximum aggregation: 187363
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232149
Total ASes present in the Internet Routing Table: 40995
Prefixes per ASN: 11.29
Origin-only ASes present in the Internet Routing Table: 35216
Origin ASes announcing only one prefix: 16300
Transit ASes present in the Internet Routing Table: 5772
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1570
Unregistered ASNs in the Routing Table: 292
Number of 32-bit ASNs allocated by the RIRs: 5124
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12076
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 621
Number of addresses announced to Internet: 2666652672
Equivalent to 158 /8s, 241 /16s and 228 /24s
Percentage of available address space announced: 72.0
Percentage of allocated address space announced: 72.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 161132
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107366
Total APNIC prefixes after maximum aggregation: 32986
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110057
Unique aggregates announced from the APNIC address blocks: 46680
APNIC Region origin ASes present in the Internet Routing Table: 4840
APNIC Prefixes per ASN: 22.74
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 816
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 727220480
Equivalent to 43 /8s, 88 /16s and 129 /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: 161373
Total ARIN prefixes after maximum aggregation: 81014
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161929
Unique aggregates announced from the ARIN address blocks: 75863
ARIN Region origin ASes present in the Internet Routing Table: 15836
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6020
ARIN Region transit ASes present in the Internet Routing Table: 1600
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: 1072628224
Equivalent to 63 /8s, 239 /16s and 2 /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: 118673
Total RIPE prefixes after maximum aggregation: 61095
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122258
Unique aggregates announced from the RIPE address blocks: 78778
RIPE Region origin ASes present in the Internet Routing Table: 17437
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8276
RIPE Region transit ASes present in the Internet Routing Table: 2778
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656899072
Equivalent to 39 /8s, 39 /16s and 124 /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: 50786
Total LACNIC prefixes after maximum aggregation: 9647
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 55621
Unique aggregates announced from the LACNIC address blocks: 26292
LACNIC Region origin ASes present in the Internet Routing Table: 2019
LACNIC Prefixes per ASN: 27.55
LACNIC Region origin ASes announcing only one prefix: 574
LACNIC Region transit ASes present in the Internet Routing Table: 362
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 139109888
Equivalent to 8 /8s, 74 /16s and 166 /24s
Percentage of available LACNIC address space announced: 82.9
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: 11747
Total AfriNIC prefixes after maximum aggregation: 2543
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 12357
Unique aggregates announced from the AfriNIC address blocks: 3997
AfriNIC Region origin ASes present in the Internet Routing Table: 662
AfriNIC Prefixes per ASN: 18.67
AfriNIC Region origin ASes announcing only one prefix: 194
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: 46769408
Equivalent to 2 /8s, 201 /16s and 165 /24s
Percentage of available AfriNIC address space announced: 46.5
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 2702 903 91 PT TELEKOMUNIKASI INDONESIA
4766 2141 11555 642 Korea Telecom (KIX)
7545 2070 321 112 TPG Internet Pty Ltd
4755 1805 403 191 TATA Communications formerly
9829 1535 1236 41 BSNL National Internet Backbo
9583 1231 92 509 Sify Limited
9498 1197 309 73 BHARTI Airtel Ltd.
7552 1152 1080 13 Vietel Corporation
24560 1090 380 164 Bharti Airtel Ltd., Telemedia
4808 1075 2020 311 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 3061 3689 59 BellSouth.net Inc.
18566 2063 382 183 Covad Communications
22773 2042 2933 125 Cox Communications, Inc.
1785 2019 679 125 PaeTec Communications, Inc.
20115 1679 1650 629 Charter Communications
4323 1622 1119 419 Time Warner Telecom
701 1520 11149 794 UUNET Technologies, Inc.
7018 1352 17500 861 AT&T WorldNet Services
30036 1347 304 621 Mediacom Communications Corp
6983 1285 756 578 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 1681 544 17 OJSC "Vimpelcom"
34984 1364 244 222 TELLCOM ILETISIM HIZMETLERI A
20940 1030 379 793 Akamai Technologies European
31148 989 43 19 FreeNet ISP
6830 893 2365 427 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 756 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
9116 553 326 34 Goldenlines main autonomous s
35228 526 246 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 3356 1732 94 NET Servicos de Comunicao S.A
10620 2583 421 245 TVCABLE BOGOTA
7303 1715 1133 229 Telecom Argentina Stet-France
18881 1396 844 20 Global Village Telecom
8151 1323 2799 411 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 828 434 64 AVANTEL, S.A.
27947 810 94 92 Telconet S.A
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 721 302 93 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 881 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 429 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 12 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 3356 1732 94 NET Servicos de Comunicao S.A
6389 3061 3689 59 BellSouth.net Inc.
17974 2702 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2583 421 245 TVCABLE BOGOTA
4766 2141 11555 642 Korea Telecom (KIX)
7545 2070 321 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2042 2933 125 Cox Communications, Inc.
1785 2019 679 125 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 3061 3002 BellSouth.net Inc.
17974 2702 2611 PT TELEKOMUNIKASI INDONESIA
10620 2583 2338 TVCABLE BOGOTA
7545 2070 1958 TPG Internet Pty Ltd
22773 2042 1917 Cox Communications, Inc.
1785 2019 1894 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1681 1664 OJSC "Vimpelcom"
4755 1805 1614 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
65333 PRIVATE 10.0.0.0/8 0 *
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 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
14764 UNALLOCATED 12.108.237.0/24 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.
23.91.96.0/20 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
23.91.168.0/22 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 /12:251
/13:477 /14:912 /15:1626 /16:12783 /17:6706 /18:11129
/19:22893 /20:32521 /21:35010 /22:49123 /23:42519 /24:246089
/25:9 /26:11 /27:11 /28:131 /29:216 /30:137
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1711 3061 BellSouth.net Inc.
8402 1430 1681 OJSC "Vimpelcom"
22773 1328 2042 Cox Communications, Inc.
30036 1205 1347 Mediacom Communications Corp
11492 1192 1233 Cable One
1785 1085 2019 PaeTec Communications, Inc.
6983 1026 1285 ITC^Deltacom
22561 962 1239 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:847 2:867 3:3 4:16 5:986 6:19
8:606 12:1894 13:3 14:842 15:11 16:3
17:13 18:19 20:21 23:446 24:1728 27:1592
31:1474 32:40 33:2 34:5 36:81 37:1815
38:902 39:3 40:179 41:3316 42:248 44:13
46:2004 47:6 49:677 50:831 52:12 54:39
55:4 57:29 58:1085 59:639 60:346 61:1485
62:1183 63:1991 64:4539 65:2357 66:4184 67:2072
68:1085 69:3311 70:857 71:494 72:1996 74:2554
75:330 76:304 77:1133 78:1017 79:644 80:1337
81:1026 82:631 83:584 84:589 85:1274 86:448
87:1000 88:452 89:1711 90:155 91:5631 92:611
93:1587 94:1969 95:1619 96:515 97:343 98:1041
99:40 100:30 101:359 103:3359 105:520 106:143
107:206 108:494 109:1878 110:962 111:1123 112:571
113:799 114:695 115:1039 116:975 117:795 118:1169
119:1268 120:356 121:844 122:1805 123:1250 124:1349
125:1424 128:556 129:301 130:308 131:642 132:341
133:161 134:531 135:67 136:270 137:264 138:349
139:178 140:155 141:309 142:534 143:410 144:496
145:103 146:510 147:392 148:691 149:351 150:157
151:598 152:411 153:199 154:48 155:485 156:278
157:371 158:285 159:675 160:347 161:444 162:718
163:207 164:631 165:550 166:258 167:622 168:1041
169:127 170:1079 171:202 172:25 173:1610 174:664
175:492 176:1210 177:2278 178:1897 179:143 180:1542
181:722 182:1319 183:463 184:656 185:905 186:2592
187:1454 188:1880 189:1335 190:7018 192:6893 193:5624
194:4076 195:3339 196:1334 197:1053 198:4636 199:5433
200:5985 201:2511 202:8805 203:8837 204:4436 205:2601
206:2777 207:2836 208:3998 209:3600 210:2855 211:1565
212:2274 213:2007 214:905 215:99 216:5304 217:1672
218:612 219:336 220:1273 221:565 222:324 223:489
End of report