Routing Table Report 08:00 +10GMT Thu 25 Jun, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 539551
Prefixes after maximum aggregation (per Origin AS): 206419
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 267718
Total ASes present in the Internet Routing Table: 50551
Prefixes per ASN: 10.67
Origin-only ASes present in the Internet Routing Table: 36674
Origin ASes announcing only one prefix: 16251
Transit ASes present in the Internet Routing Table: 6206
Transit-only ASes present in the Internet Routing Table: 150
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 49
Max AS path prepend of ASN ( 55644) 46
Prefixes from unregistered ASNs in the Routing Table: 1153
Unregistered ASNs in the Routing Table: 428
Number of 32-bit ASNs allocated by the RIRs: 9946
Number of 32-bit ASNs visible in the Routing Table: 7671
Prefixes from 32-bit ASNs in the Routing Table: 28008
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 486
Number of addresses announced to Internet: 2803376640
Equivalent to 167 /8s, 24 /16s and 34 /24s
Percentage of available address space announced: 75.7
Percentage of allocated address space announced: 75.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.4
Total number of prefixes smaller than registry allocations: 181118
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 128592
Total APNIC prefixes after maximum aggregation: 38169
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 135849
Unique aggregates announced from the APNIC address blocks: 57402
APNIC Region origin ASes present in the Internet Routing Table: 5029
APNIC Prefixes per ASN: 27.01
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 858
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 49
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1505
Number of APNIC addresses announced to Internet: 749893888
Equivalent to 44 /8s, 178 /16s and 121 /24s
Percentage of available APNIC address space announced: 87.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 131072-135580
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: 176850
Total ARIN prefixes after maximum aggregation: 87475
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 179507
Unique aggregates announced from the ARIN address blocks: 85058
ARIN Region origin ASes present in the Internet Routing Table: 16538
ARIN Prefixes per ASN: 10.85
ARIN Region origin ASes announcing only one prefix: 6089
ARIN Region transit ASes present in the Internet Routing Table: 1694
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 497
Number of ARIN addresses announced to Internet: 1100990208
Equivalent to 65 /8s, 159 /16s and 199 /24s
Percentage of available ARIN address space announced: 58.2
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, 64198-64296, 393216-395164
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: 133110
Total RIPE prefixes after maximum aggregation: 66268
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 139442
Unique aggregates announced from the RIPE address blocks: 86591
RIPE Region origin ASes present in the Internet Routing Table: 17961
RIPE Prefixes per ASN: 7.76
RIPE Region origin ASes announcing only one prefix: 8127
RIPE Region transit ASes present in the Internet Routing Table: 2948
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3796
Number of RIPE addresses announced to Internet: 695963648
Equivalent to 41 /8s, 123 /16s and 144 /24s
Percentage of available RIPE address space announced: 101.2
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, 196608-204287
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: 59981
Total LACNIC prefixes after maximum aggregation: 11384
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 70455
Unique aggregates announced from the LACNIC address blocks: 32997
LACNIC Region origin ASes present in the Internet Routing Table: 2438
LACNIC Prefixes per ASN: 28.90
LACNIC Region origin ASes announcing only one prefix: 619
LACNIC Region transit ASes present in the Internet Routing Table: 490
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1747
Number of LACNIC addresses announced to Internet: 168041984
Equivalent to 10 /8s, 4 /16s and 30 /24s
Percentage of available LACNIC address space announced: 100.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 12035
Total AfriNIC prefixes after maximum aggregation: 3076
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 13811
Unique aggregates announced from the AfriNIC address blocks: 5221
AfriNIC Region origin ASes present in the Internet Routing Table: 733
AfriNIC Prefixes per ASN: 18.84
AfriNIC Region origin ASes announcing only one prefix: 193
AfriNIC Region transit ASes present in the Internet Routing Table: 155
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: 126
Number of AfriNIC addresses announced to Internet: 65679616
Equivalent to 3 /8s, 234 /16s and 49 /24s
Percentage of available AfriNIC address space announced: 65.2
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 904 78 PT Telekomunikasi Indonesia
7545 2485 336 129 TPG Telecom Limited
4766 2215 11296 642 Korea Telecom
4755 2026 426 231 TATA Communications formerly
9829 1711 1345 116 National Internet Backbone
9808 1501 8639 18 Guangdong Mobile Communicatio
9583 1480 118 572 Sify Limited
9498 1352 336 106 BHARTI Airtel Ltd.
38197 1290 77 143 Sun Network (Hong Kong) Limit
24560 1240 418 186 Bharti Airtel Ltd., Telemedia
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
22773 3178 2958 140 Cox Communications Inc.
6389 2792 3688 51 BellSouth.net Inc.
18566 2054 380 195 MegaPath Corporation
20115 1888 1853 422 Charter Communications
6983 1746 850 243 EarthLink, Inc.
4323 1611 1038 411 tw telecom holdings, inc.
30036 1563 320 454 Mediacom Communications Corp
701 1394 11369 678 MCI Communications Services,
22561 1383 415 257 CenturyTel Internet Holdings,
7018 1204 19071 855 AT&T Services, Inc.
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
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
34984 2136 305 364 TELLCOM ILETISIM HIZMETLERI A
20940 1980 779 1441 Akamai International B.V.
6849 1210 355 22 JSC "Ukrtelecom"
31148 1048 45 23 Freenet Ltd.
13188 1045 97 73 TOV "Bank-Inform"
8402 989 544 15 OJSC "Vimpelcom"
12479 947 868 72 France Telecom Espana SA
6830 913 2694 469 Liberty Global Operations B.V
8551 872 376 52 Bezeq International-Ltd
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
10620 3249 531 242 Telmex Colombia S.A.
28573 2279 2170 113 NET Serviços de Comunicação S
8151 1684 3245 469 Uninet S.A. de C.V.
7303 1639 1019 238 Telecom Argentina S.A.
6147 1619 373 44 Telefonica del Peru S.A.A.
6503 1265 437 56 Axtel, S.A.B. de C.V.
26615 1077 2325 35 Tim Celular S.A.
7738 996 1882 41 Telemar Norte Leste S.A.
3816 953 429 161 COLOMBIA TELECOMUNICACIONES S
11830 902 364 15 Instituto Costarricense de El
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
24863 876 280 26 Link Egypt (Link.NET)
8452 816 958 13 TE-AS
36903 511 257 103 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 304 146 12 Vodafone Data
3741 250 857 208 Internet Solutions
29571 241 21 12 Cote d'Ivoire Telecom
36947 190 807 13 Telecom Algeria
15706 174 32 6 Sudatel (Sudan Telecom Co. Lt
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
10620 3249 531 242 Telmex Colombia S.A.
22773 3178 2958 140 Cox Communications Inc.
6389 2792 3688 51 BellSouth.net Inc.
17974 2698 904 78 PT Telekomunikasi Indonesia
7545 2485 336 129 TPG Telecom Limited
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2279 2170 113 NET Serviços de Comunicação S
4766 2215 11296 642 Korea Telecom
34984 2136 305 364 TELLCOM ILETISIM HIZMETLERI A
18566 2054 380 195 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3178 3038 Cox Communications Inc.
6389 2792 2741 BellSouth.net Inc.
17974 2698 2620 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2485 2356 TPG Telecom Limited
28573 2279 2166 NET Serviços de Comunicação S
18566 2054 1859 MegaPath Corporation
4755 2026 1795 TATA Communications formerly
34984 2136 1772 TELLCOM ILETISIM HIZMETLERI A
9829 1711 1595 National Internet Backbone
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
65333 PRIVATE 10.0.0.0/8 0 *
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
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 Reserved
100.64.0.0/10 65333 Reserved
169.254.0.0/16 65333 Reserved
172.16.0.0/12 65333 Reserved
192.0.0.0/24 65333 Reserved
192.0.2.0/24 65333 Reserved
192.168.0.0/16 0 *
198.18.0.0/15 65333 Reserved
198.51.100.0/24 65333 Reserved
203.0.113.0/24 65333 Reserved
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
23.226.112.0/20 62788 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.3.0/24 37004 >>UNKNOWN<<
41.73.4.0/24 37004 >>UNKNOWN<<
41.73.5.0/24 37004 >>UNKNOWN<<
41.73.6.0/24 37004 >>UNKNOWN<<
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 /8:18 /9:13 /10:36 /11:96 /12:264
/13:506 /14:1008 /15:1729 /16:12909 /17:7215 /18:12194
/19:25161 /20:35565 /21:37843 /22:59491 /23:50939 /24:293740
/25:11 /26:10 /27:12 /28:104 /29:241 /30:345
/31:0 /32:101
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2380 3178 Cox Communications Inc.
18566 2003 2054 MegaPath Corporation
6389 1640 2792 BellSouth.net Inc.
6983 1395 1746 EarthLink, Inc.
34984 1394 2136 TELLCOM ILETISIM HIZMETLERI A
30036 1386 1563 Mediacom Communications Corp
6147 1173 1619 Telefonica del Peru S.A.A.
10620 1145 3249 Telmex Colombia S.A.
11492 1110 1193 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1463 2:678 4:18 5:1858 6:25 8:819
11:1 12:1822 13:14 14:1287 15:16 16:2
17:42 18:22 20:48 23:1246 24:1729 27:1921
31:1581 32:35 33:2 34:4 35:3 36:137
37:1958 38:1033 39:6 40:83 41:2669 42:296
43:1302 44:28 45:764 46:2299 47:46 49:903
50:812 52:12 54:77 55:7 56:6 57:46
58:1282 59:690 60:479 61:1726 62:1358 63:1889
64:4439 65:2264 66:4041 67:2065 68:1065 69:3244
70:1024 71:449 72:1959 74:2660 75:339 76:425
77:1274 78:1166 79:787 80:1352 81:1293 82:841
83:723 84:717 85:1392 86:423 87:1046 88:525
89:1858 90:152 91:6008 92:864 93:2245 94:2066
95:2168 96:425 97:354 98:1057 99:53 100:72
101:831 103:7599 104:1834 105:61 106:235 107:989
108:612 109:2061 110:1124 111:1427 112:822 113:1081
114:819 115:1260 116:1349 117:1028 118:1765 119:1438
120:442 121:1056 122:2101 123:1834 124:1461 125:1585
128:576 129:381 130:393 131:1196 132:444 133:177
134:393 135:93 136:330 137:317 138:900 139:150
140:206 141:438 142:651 143:500 144:548 145:122
146:730 147:576 148:1209 149:416 150:552 151:670
152:517 153:248 154:465 155:868 156:411 157:418
158:347 159:917 160:384 161:658 162:1934 163:408
164:666 165:690 166:311 167:834 168:1314 169:174
170:1467 171:237 172:294 173:1545 174:720 175:686
176:1346 177:3815 178:2154 179:937 180:1920 181:1666
182:1741 183:612 184:757 185:3717 186:2756 187:1766
188:2044 189:1587 190:7757 191:1038 192:8452 193:5611
194:4155 195:3669 196:1976 197:991 198:5456 199:5462
200:6651 201:3252 202:8942 203:9062 204:4627 205:2810
206:2931 207:2903 208:3976 209:3921 210:3214 211:1787
212:2489 213:2330 214:850 215:72 216:5729 217:1800
218:669 219:329 220:1432 221:767 222:396 223:742
End of report