Routing Table Report 08:00 +10GMT Mon 30 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 463335
Prefixes after maximum aggregation: 187355
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232126
Total ASes present in the Internet Routing Table: 40988
Prefixes per ASN: 11.30
Origin-only ASes present in the Internet Routing Table: 35242
Origin ASes announcing only one prefix: 16306
Transit ASes present in the Internet Routing Table: 5738
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1678
Unregistered ASNs in the Routing Table: 301
Number of 32-bit ASNs allocated by the RIRs: 5123
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 12049
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 608
Number of addresses announced to Internet: 2666167552
Equivalent to 158 /8s, 234 /16s and 125 /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: 161412
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107366
Total APNIC prefixes after maximum aggregation: 32973
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110013
Unique aggregates announced from the APNIC address blocks: 46652
APNIC Region origin ASes present in the Internet Routing Table: 4839
APNIC Prefixes per ASN: 22.73
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 807
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2
Number of APNIC addresses announced to Internet: 726579712
Equivalent to 43 /8s, 78 /16s and 186 /24s
Percentage of available APNIC address space announced: 84.9
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: 161402
Total ARIN prefixes after maximum aggregation: 80982
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161980
Unique aggregates announced from the ARIN address blocks: 75868
ARIN Region origin ASes present in the Internet Routing Table: 15843
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6027
ARIN Region transit ASes present in the Internet Routing Table: 1598
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: 1072788224
Equivalent to 63 /8s, 241 /16s and 115 /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: 118886
Total RIPE prefixes after maximum aggregation: 61158
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122475
Unique aggregates announced from the RIPE address blocks: 78851
RIPE Region origin ASes present in the Internet Routing Table: 17427
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8274
RIPE Region transit ASes present in the Internet Routing Table: 2769
Average RIPE Region AS path length visible: 3.8
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: 656908032
Equivalent to 39 /8s, 39 /16s and 159 /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: 51256
Total LACNIC prefixes after maximum aggregation: 9638
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 56065
Unique aggregates announced from the LACNIC address blocks: 26253
LACNIC Region origin ASes present in the Internet Routing Table: 2020
LACNIC Prefixes per ASN: 27.75
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 367
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 139274240
Equivalent to 8 /8s, 77 /16s and 40 /24s
Percentage of available LACNIC address space announced: 83.0
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: 11581
Total AfriNIC prefixes after maximum aggregation: 2531
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 12192
Unique aggregates announced from the AfriNIC address blocks: 3975
AfriNIC Region origin ASes present in the Internet Routing Table: 656
AfriNIC Prefixes per ASN: 18.59
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 3.7
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: 46734336
Equivalent to 2 /8s, 201 /16s and 28 /24s
Percentage of available AfriNIC address space announced: 46.4
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
17974 2698 903 91 PT TELEKOMUNIKASI INDONESIA
4766 2141 11555 641 Korea Telecom (KIX)
7545 2071 321 113 TPG Internet Pty Ltd
4755 1806 403 192 TATA Communications formerly
9829 1532 1236 41 BSNL National Internet Backbo
9583 1232 93 508 Sify Limited
7552 1208 1178 18 Vietel Corporation
9498 1197 309 73 BHARTI Airtel Ltd.
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 2041 2933 125 Cox Communications, Inc.
1785 2019 679 125 PaeTec Communications, Inc.
20115 1680 1651 628 Charter Communications
4323 1621 1119 419 Time Warner Telecom
701 1521 11149 795 UUNET Technologies, Inc.
30036 1347 304 621 Mediacom Communications Corp
7018 1313 11260 829 AT&T WorldNet Services
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 1746 544 17 OJSC "Vimpelcom"
34984 1364 244 222 TELLCOM ILETISIM HIZMETLERI A
20940 1041 382 799 Akamai Technologies European
31148 989 43 19 FreeNet ISP
6830 893 2365 427 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 748 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
9116 551 326 33 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 3360 1732 94 NET Servicos de Comunicao S.A
10620 2584 421 246 TVCABLE BOGOTA
7303 1714 1133 228 Telecom Argentina Stet-France
18881 1419 844 20 Global Village Telecom
8151 1320 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
6147 770 376 21 Telefonica Del Peru
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 434 956 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 3360 1732 94 NET Servicos de Comunicao S.A
6389 3061 3689 59 BellSouth.net Inc.
17974 2698 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2584 421 246 TVCABLE BOGOTA
4766 2141 11555 641 Korea Telecom (KIX)
7545 2071 321 113 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2041 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 2698 2607 PT TELEKOMUNIKASI INDONESIA
10620 2584 2338 TVCABLE BOGOTA
7545 2071 1958 TPG Internet Pty Ltd
22773 2041 1916 Cox Communications, Inc.
1785 2019 1894 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1746 1729 OJSC "Vimpelcom"
4755 1806 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 /14:911 /15:1627 /16:12779 /17:6702 /18:11130
/19:22909 /20:32555 /21:35053 /22:49221 /23:42565 /24:246360
/25:9 /26:11 /27:11 /28:131 /29:208 /30:136
/31:0 /32:137
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 1467 1746 OJSC "Vimpelcom"
22773 1327 2041 Cox Communications, Inc.
30036 1205 1347 Mediacom Communications Corp
11492 1190 1231 Cable One
1785 1085 2019 PaeTec Communications, Inc.
6983 1026 1285 ITC^Deltacom
22561 961 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:847 2:835 3:3 4:16 5:974 6:19
8:603 12:1892 13:3 14:842 15:11 16:3
17:13 18:19 20:21 23:447 24:1727 27:1585
31:1478 32:40 33:2 34:5 36:80 37:1818
38:903 39:3 40:179 41:3238 42:248 44:13
46:2004 47:6 49:677 50:831 52:12 54:39
55:5 57:29 58:1085 59:636 60:342 61:1484
62:1184 63:1990 64:4545 65:2356 66:4174 67:2065
68:1085 69:3306 70:868 71:494 72:2006 74:2563
75:330 76:304 77:1131 78:1048 79:649 80:1331
81:1033 82:629 83:584 84:589 85:1278 86:455
87:1002 88:552 89:1734 90:158 91:5643 92:613
93:1619 94:1972 95:1607 96:518 97:343 98:1041
99:40 100:30 101:360 103:3348 105:520 106:143
107:207 108:492 109:1884 110:958 111:1120 112:576
113:799 114:688 115:1043 116:974 117:798 118:1164
119:1271 120:357 121:851 122:1808 123:1249 124:1349
125:1422 128:583 129:301 130:308 131:643 132:340
133:161 134:531 135:67 136:271 137:263 138:349
139:178 140:155 141:312 142:534 143:404 144:498
145:100 146:508 147:393 148:689 149:351 150:157
151:596 152:410 153:197 154:48 155:485 156:278
157:371 158:285 159:681 160:348 161:426 162:716
163:208 164:631 165:537 166:258 167:622 168:1041
169:127 170:1078 171:202 172:25 173:1611 174:664
175:493 176:1210 177:2302 178:1891 179:146 180:1542
181:744 182:1316 183:462 184:657 185:897 186:2573
187:1448 188:1882 189:1334 190:7126 192:6894 193:5626
194:4074 195:3341 196:1317 197:995 198:4638 199:5437
200:6038 201:2548 202:8821 203:8838 204:4437 205:2608
206:2779 207:2831 208:4009 209:3613 210:2856 211:1567
212:2282 213:1988 214:903 215:99 216:5315 217:1668
218:612 219:336 220:1273 221:565 222:324 223:497
End of report