Routing Table Report 08:00 +10GMT Mon 29 Jun, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 540558
Prefixes after maximum aggregation (per Origin AS): 206507
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 268023
Total ASes present in the Internet Routing Table: 50612
Prefixes per ASN: 10.68
Origin-only ASes present in the Internet Routing Table: 36683
Origin ASes announcing only one prefix: 16259
Transit ASes present in the Internet Routing Table: 6223
Transit-only ASes present in the Internet Routing Table: 153
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: 1102
Unregistered ASNs in the Routing Table: 419
Number of 32-bit ASNs allocated by the RIRs: 10019
Number of 32-bit ASNs visible in the Routing Table: 7706
Prefixes from 32-bit ASNs in the Routing Table: 28198
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 410
Number of addresses announced to Internet: 2803482368
Equivalent to 167 /8s, 25 /16s and 191 /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: 181610
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 128707
Total APNIC prefixes after maximum aggregation: 38179
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 136092
Unique aggregates announced from the APNIC address blocks: 57548
APNIC Region origin ASes present in the Internet Routing Table: 5025
APNIC Prefixes per ASN: 27.08
APNIC Region origin ASes announcing only one prefix: 1214
APNIC Region transit ASes present in the Internet Routing Table: 857
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: 1516
Number of APNIC addresses announced to Internet: 749877760
Equivalent to 44 /8s, 178 /16s and 58 /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: 177014
Total ARIN prefixes after maximum aggregation: 87488
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 179727
Unique aggregates announced from the ARIN address blocks: 85160
ARIN Region origin ASes present in the Internet Routing Table: 16553
ARIN Prefixes per ASN: 10.86
ARIN Region origin ASes announcing only one prefix: 6106
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: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 508
Number of ARIN addresses announced to Internet: 1101100800
Equivalent to 65 /8s, 161 /16s and 119 /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: 133587
Total RIPE prefixes after maximum aggregation: 66343
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 139941
Unique aggregates announced from the RIPE address blocks: 86658
RIPE Region origin ASes present in the Internet Routing Table: 17972
RIPE Prefixes per ASN: 7.79
RIPE Region origin ASes announcing only one prefix: 8128
RIPE Region transit ASes present in the Internet Routing Table: 2954
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: 3797
Number of RIPE addresses announced to Internet: 695995136
Equivalent to 41 /8s, 124 /16s and 11 /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: 60042
Total LACNIC prefixes after maximum aggregation: 11370
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 70555
Unique aggregates announced from the LACNIC address blocks: 33050
LACNIC Region origin ASes present in the Internet Routing Table: 2436
LACNIC Prefixes per ASN: 28.96
LACNIC Region origin ASes announcing only one prefix: 617
LACNIC Region transit ASes present in the Internet Routing Table: 493
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: 1758
Number of LACNIC addresses announced to Internet: 168032768
Equivalent to 10 /8s, 3 /16s and 250 /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: 12031
Total AfriNIC prefixes after maximum aggregation: 3080
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 13832
Unique aggregates announced from the AfriNIC address blocks: 5234
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 18.79
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 156
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: 127
Number of AfriNIC addresses announced to Internet: 65697024
Equivalent to 3 /8s, 234 /16s and 117 /24s
Percentage of available AfriNIC address space announced: 65.3
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 2697 904 78 PT Telekomunikasi Indonesia
7545 2492 336 128 TPG Telecom Limited
4766 2221 11296 643 Korea Telecom
4755 2025 423 221 TATA Communications formerly
9829 1738 1353 122 National Internet Backbone
9808 1501 8639 18 Guangdong Mobile Communicatio
9583 1481 118 573 Sify Limited
9498 1355 336 106 BHARTI Airtel Ltd.
38197 1289 78 144 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 3185 2960 142 Cox Communications Inc.
6389 2792 3688 51 BellSouth.net Inc.
18566 2054 380 195 MegaPath Corporation
20115 1865 1855 416 Charter Communications
6983 1747 850 243 EarthLink, Inc.
4323 1612 1054 410 tw telecom holdings, inc.
30036 1568 321 443 Mediacom Communications Corp
701 1393 11371 676 MCI Communications Services,
22561 1383 415 257 CenturyTel Internet Holdings,
7018 1204 19071 856 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 2138 305 364 TELLCOM ILETISIM HIZMETLERI A
20940 1986 778 1444 Akamai International B.V.
6849 1209 355 21 JSC "Ukrtelecom"
13188 1052 97 73 TOV "Bank-Inform"
31148 1048 45 23 Freenet Ltd.
8402 1014 544 15 OJSC "Vimpelcom"
12479 949 869 74 France Telecom Espana SA
6830 913 2694 469 Liberty Global Operations B.V
8551 887 376 53 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 3256 532 238 Telmex Colombia S.A.
28573 2277 2170 113 NET Serviços de Comunicação S
8151 1689 3253 474 Uninet S.A. de C.V.
7303 1634 1005 238 Telecom Argentina S.A.
6147 1566 372 43 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 955 428 165 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 874 280 26 Link Egypt (Link.NET)
8452 818 958 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 242 21 13 Cote d'Ivoire Telecom
36947 188 807 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 3256 532 238 Telmex Colombia S.A.
22773 3185 2960 142 Cox Communications Inc.
6389 2792 3688 51 BellSouth.net Inc.
17974 2697 904 78 PT Telekomunikasi Indonesia
7545 2492 336 128 TPG Telecom Limited
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2277 2170 113 NET Serviços de Comunicação S
4766 2221 11296 643 Korea Telecom
34984 2138 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 3185 3043 Cox Communications Inc.
6389 2792 2741 BellSouth.net Inc.
17974 2697 2619 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2492 2364 TPG Telecom Limited
28573 2277 2164 NET Serviços de Comunicação S
18566 2054 1859 MegaPath Corporation
4755 2025 1804 TATA Communications formerly
34984 2138 1774 TELLCOM ILETISIM HIZMETLERI A
9829 1738 1616 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 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
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 /15:1728 /16:12910 /17:7207 /18:12180
/19:25201 /20:35580 /21:37871 /22:59607 /23:51070 /24:294437
/25:11 /26:10 /27:12 /28:104 /29:242 /30:345
/31:0 /32:102
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2385 3185 Cox Communications Inc.
18566 2003 2054 MegaPath Corporation
6389 1640 2792 BellSouth.net Inc.
6983 1395 1747 EarthLink, Inc.
34984 1395 2138 TELLCOM ILETISIM HIZMETLERI A
30036 1389 1568 Mediacom Communications Corp
10620 1146 3256 Telmex Colombia S.A.
6147 1120 1566 Telefonica del Peru S.A.A.
11492 1108 1191 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1468 2:683 4:18 5:1869 6:25 8:821
11:1 12:1823 13:14 14:1295 15:16 16:2
17:41 18:22 20:48 23:1249 24:1735 27:1925
31:1596 32:35 33:2 34:4 35:3 36:137
37:2000 38:1039 39:6 40:83 41:2699 42:298
43:1324 44:28 45:834 46:2296 47:46 49:904
50:808 52:12 54:77 55:5 56:6 57:46
58:1284 59:691 60:480 61:1719 62:1350 63:1890
64:4444 65:2272 66:4043 67:2071 68:1065 69:3251
70:1024 71:450 72:1961 74:2663 75:336 76:426
77:1267 78:1165 79:797 80:1355 81:1299 82:829
83:723 84:718 85:1399 86:431 87:1066 88:534
89:1862 90:152 91:6006 92:868 93:2245 94:2086
95:2173 96:426 97:349 98:1055 99:53 100:72
101:831 103:7648 104:1836 105:60 106:239 107:987
108:613 109:2084 110:1123 111:1447 112:817 113:1085
114:819 115:1252 116:1352 117:1046 118:1775 119:1437
120:443 121:1067 122:2091 123:1837 124:1464 125:1585
128:600 129:379 130:392 131:1196 132:445 133:177
134:392 135:94 136:329 137:314 138:929 139:150
140:211 141:438 142:651 143:493 144:549 145:123
146:727 147:577 148:1206 149:416 150:560 151:670
152:518 153:247 154:454 155:867 156:429 157:419
158:352 159:910 160:384 161:659 162:1942 163:408
164:669 165:688 166:311 167:837 168:1318 169:175
170:1467 171:237 172:248 173:1536 174:719 175:686
176:1353 177:3816 178:2158 179:922 180:1913 181:1674
182:1745 183:625 184:760 185:3755 186:2746 187:1763
188:2046 189:1591 190:7807 191:1031 192:8450 193:5617
194:4167 195:3671 196:1974 197:989 198:5458 199:5465
200:6656 201:3260 202:8954 203:9065 204:4632 205:2811
206:2943 207:2906 208:3985 209:3925 210:3217 211:1791
212:2531 213:2346 214:833 215:73 216:5738 217:1804
218:669 219:329 220:1430 221:774 222:397 223:743
End of report