Routing Table Report 08:00 +10GMT Sun 29 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 463841
Prefixes after maximum aggregation: 187401
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232088
Total ASes present in the Internet Routing Table: 40992
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 35202
Origin ASes announcing only one prefix: 16301
Transit ASes present in the Internet Routing Table: 5782
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 27
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1984
Unregistered ASNs in the Routing Table: 361
Number of 32-bit ASNs allocated by the RIRs: 5116
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 12052
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 602
Number of addresses announced to Internet: 2666054912
Equivalent to 158 /8s, 232 /16s and 197 /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: 161730
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107416
Total APNIC prefixes after maximum aggregation: 32950
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110080
Unique aggregates announced from the APNIC address blocks: 46615
APNIC Region origin ASes present in the Internet Routing Table: 4843
APNIC Prefixes per ASN: 22.73
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 812
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: 2
Number of APNIC addresses announced to Internet: 726523904
Equivalent to 43 /8s, 77 /16s and 224 /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: 161357
Total ARIN prefixes after maximum aggregation: 80989
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161945
Unique aggregates announced from the ARIN address blocks: 75843
ARIN Region origin ASes present in the Internet Routing Table: 15838
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6022
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: 1072646912
Equivalent to 63 /8s, 239 /16s and 75 /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: 118985
Total RIPE prefixes after maximum aggregation: 61208
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122553
Unique aggregates announced from the RIPE address blocks: 78898
RIPE Region origin ASes present in the Internet Routing Table: 17438
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8280
RIPE Region transit ASes present in the Internet Routing Table: 2786
Average RIPE Region AS path length visible: 3.5
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: 657031680
Equivalent to 39 /8s, 41 /16s and 130 /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: 51381
Total LACNIC prefixes after maximum aggregation: 9648
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 56200
Unique aggregates announced from the LACNIC address blocks: 26237
LACNIC Region origin ASes present in the Internet Routing Table: 2014
LACNIC Prefixes per ASN: 27.90
LACNIC Region origin ASes announcing only one prefix: 571
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: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 139243008
Equivalent to 8 /8s, 76 /16s and 174 /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: 11842
Total AfriNIC prefixes after maximum aggregation: 2533
AfriNIC Deaggregation factor: 4.68
Prefixes being announced from the AfriNIC address blocks: 12459
Unique aggregates announced from the AfriNIC address blocks: 3973
AfriNIC Region origin ASes present in the Internet Routing Table: 657
AfriNIC Prefixes per ASN: 18.96
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 46727424
Equivalent to 2 /8s, 201 /16s and 1 /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 2691 903 91 PT TELEKOMUNIKASI INDONESIA
4766 2141 11555 641 Korea Telecom (KIX)
7545 2070 321 112 TPG Internet Pty Ltd
4755 1803 403 191 TATA Communications formerly
9829 1527 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 1077 2020 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 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 1312 11260 828 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 1715 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 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 3373 1732 94 NET Servicos de Comunicao S.A
10620 2574 421 260 TVCABLE BOGOTA
7303 1715 1133 229 Telecom Argentina Stet-France
18881 1441 844 20 Global Village Telecom
8151 1322 2799 413 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 880 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 435 956 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
37054 211 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 3373 1732 94 NET Servicos de Comunicao S.A
6389 3061 3689 59 BellSouth.net Inc.
17974 2691 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2574 421 260 TVCABLE BOGOTA
4766 2141 11555 641 Korea Telecom (KIX)
7545 2070 321 112 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 2691 2600 PT TELEKOMUNIKASI INDONESIA
10620 2574 2314 TVCABLE BOGOTA
7545 2070 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 1715 1698 OJSC "Vimpelcom"
4755 1803 1612 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 /14:913 /15:1627 /16:12782 /17:6713 /18:11138
/19:22912 /20:32609 /21:35087 /22:49266 /23:42608 /24:246660
/25:9 /26:11 /27:11 /28:131 /29:214 /30:137
/31:0 /32:133
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 1437 1715 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 960 1236 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 2:871 3:3 4:16 5:974 6:19
8:601 12:1893 13:3 14:843 15:11 16:3
17:13 18:19 20:21 23:446 24:1726 27:1586
31:1487 32:40 33:2 34:5 36:80 37:1806
38:903 39:3 40:179 41:3349 42:249 44:13
46:2003 47:6 49:677 50:831 52:12 54:39
55:5 57:29 58:1087 59:638 60:341 61:1480
62:1185 63:1990 64:4548 65:2356 66:4175 67:2066
68:1085 69:3312 70:868 71:494 72:2000 74:2562
75:330 76:304 77:1137 78:1053 79:643 80:1332
81:1033 82:630 83:584 84:589 85:1283 86:456
87:1002 88:552 89:1731 90:158 91:5645 92:607
93:1611 94:1956 95:1586 96:517 97:342 98:1042
99:40 100:30 101:359 103:3356 105:520 106:143
107:207 108:492 109:1884 110:959 111:1120 112:576
113:798 114:709 115:1045 116:974 117:800 118:1165
119:1271 120:357 121:852 122:1806 123:1247 124:1350
125:1424 128:584 129:301 130:308 131:646 132:340
133:161 134:531 135:67 136:271 137:264 138:349
139:178 140:155 141:312 142:534 143:390 144:495
145:100 146:508 147:393 148:690 149:351 150:157
151:595 152:410 153:197 154:48 155:485 156:276
157:371 158:285 159:681 160:348 161:425 162:714
163:208 164:631 165:567 166:258 167:621 168:1041
169:127 170:1077 171:202 172:25 173:1612 174:664
175:493 176:1211 177:2322 178:1893 179:145 180:1535
181:746 182:1314 183:462 184:654 185:893 186:2594
187:1434 188:1891 189:1334 190:7133 192:6897 193:5629
194:4075 195:3343 196:1337 197:1066 198:4636 199:5435
200:6049 201:2547 202:8823 203:8841 204:4437 205:2613
206:2779 207:2829 208:4010 209:3606 210:2853 211:1567
212:2280 213:2012 214:902 215:99 216:5311 217:1665
218:612 219:335 220:1273 221:565 222:324 223:498
End of report