Routing Table Report 08:00 +10GMT Tue 24 May, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 583767
Prefixes after maximum aggregation (per Origin AS): 216244
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 290974
Total ASes present in the Internet Routing Table: 53731
Prefixes per ASN: 10.86
Origin-only ASes present in the Internet Routing Table: 36451
Origin ASes announcing only one prefix: 15674
Transit ASes present in the Internet Routing Table: 6488
Transit-only ASes present in the Internet Routing Table: 170
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 52
Max AS path prepend of ASN ( 55644) 51
Prefixes from unregistered ASNs in the Routing Table: 1876
Unregistered ASNs in the Routing Table: 633
Number of 32-bit ASNs allocated by the RIRs: 13979
Number of 32-bit ASNs visible in the Routing Table: 10792
Prefixes from 32-bit ASNs in the Routing Table: 42247
Number of bogon 32-bit ASNs visible in the Routing Table: 54
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 393
Number of addresses announced to Internet: 2832966400
Equivalent to 168 /8s, 219 /16s and 163 /24s
Percentage of available address space announced: 76.5
Percentage of allocated address space announced: 76.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.2
Total number of prefixes smaller than registry allocations: 191950
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 142261
Total APNIC prefixes after maximum aggregation: 41580
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 154251
Unique aggregates announced from the APNIC address blocks: 66752
APNIC Region origin ASes present in the Internet Routing Table: 5131
APNIC Prefixes per ASN: 30.06
APNIC Region origin ASes announcing only one prefix: 1194
APNIC Region transit ASes present in the Internet Routing Table: 888
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 52
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2085
Number of APNIC addresses announced to Internet: 753263872
Equivalent to 44 /8s, 229 /16s and 229 /24s
Percentage of available APNIC address space announced: 88.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 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: 179898
Total ARIN prefixes after maximum aggregation: 88815
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 185340
Unique aggregates announced from the ARIN address blocks: 88052
ARIN Region origin ASes present in the Internet Routing Table: 16327
ARIN Prefixes per ASN: 11.35
ARIN Region origin ASes announcing only one prefix: 5844
ARIN Region transit ASes present in the Internet Routing Table: 1728
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1217
Number of ARIN addresses announced to Internet: 1101444864
Equivalent to 65 /8s, 166 /16s and 183 /24s
Percentage of available ARIN address space announced: 58.3
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, 393216-397212
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: 142174
Total RIPE prefixes after maximum aggregation: 70425
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 151455
Unique aggregates announced from the RIPE address blocks: 93909
RIPE Region origin ASes present in the Internet Routing Table: 18077
RIPE Prefixes per ASN: 8.38
RIPE Region origin ASes announcing only one prefix: 7882
RIPE Region transit ASes present in the Internet Routing Table: 3057
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4779
Number of RIPE addresses announced to Internet: 704236288
Equivalent to 41 /8s, 249 /16s and 203 /24s
Percentage of available RIPE address space announced: 102.4
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: 61544
Total LACNIC prefixes after maximum aggregation: 12162
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 75987
Unique aggregates announced from the LACNIC address blocks: 36116
LACNIC Region origin ASes present in the Internet Routing Table: 2474
LACNIC Prefixes per ASN: 30.71
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 563
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2502
Number of LACNIC addresses announced to Internet: 171149056
Equivalent to 10 /8s, 51 /16s and 135 /24s
Percentage of available LACNIC address space announced: 102.0
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: 14418
Total AfriNIC prefixes after maximum aggregation: 3225
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 16340
Unique aggregates announced from the AfriNIC address blocks: 5790
AfriNIC Region origin ASes present in the Internet Routing Table: 735
AfriNIC Prefixes per ASN: 22.23
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 171
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 209
Number of AfriNIC addresses announced to Internet: 80207360
Equivalent to 4 /8s, 199 /16s and 222 /24s
Percentage of available AfriNIC address space announced: 79.7
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
7545 3338 356 220 TPG Telecom Limited
17974 2945 914 96 PT Telekomunikasi Indonesia
9829 2451 1465 461 National Internet Backbone
4766 2449 11137 826 Korea Telecom
4755 2093 432 241 TATA Communications formerly
9808 1904 8640 20 Guangdong Mobile Communicatio
9583 1510 122 557 Sify Limited
38197 1494 93 224 Sun Network (Hong Kong) Limit
9498 1441 359 120 BHARTI Airtel Ltd.
24560 1401 479 218 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 3247 2947 139 Cox Communications Inc.
6389 2299 3671 41 BellSouth.net Inc.
18566 2190 394 275 MegaPath Corporation
20115 1921 1937 404 Charter Communications
30036 1690 336 419 Mediacom Communications Corp
6983 1689 849 233 EarthLink, Inc.
209 1658 4967 761 Qwest Communications Company,
4323 1503 984 367 tw telecom holdings, inc.
11492 1291 236 580 CABLE ONE, INC.
701 1287 10717 700 MCI Communications Services,
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 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2549 981 1834 Akamai International B.V.
34984 1964 326 358 TELLCOM ILETISIM HIZMETLERI A
12479 1221 999 82 France Telecom Espana SA
6849 1148 355 21 JSC "Ukrtelecom"
8551 1133 376 55 Bezeq International-Ltd
8402 1084 544 15 OJSC "Vimpelcom"
13188 1078 98 65 TOV "Bank-Inform"
31148 1027 47 45 Freenet Ltd.
6830 892 2719 463 Liberty Global Operations B.V
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 3475 540 161 Telmex Colombia S.A.
8151 2249 3419 568 Uninet S.A. de C.V.
7303 1511 940 234 Telecom Argentina S.A.
11830 1479 368 52 Instituto Costarricense de El
6503 1475 437 56 Axtel, S.A.B. de C.V.
6147 1153 377 27 Telefonica del Peru S.A.A.
3816 1006 480 171 COLOMBIA TELECOMUNICACIONES S
26615 1005 2325 34 Tim Celular S.A.
7738 994 1882 40 Telemar Norte Leste S.A.
11172 907 126 77 Alestra, S. de R.L. de C.V.
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 1089 402 45 Link Egypt (Link.NET)
37611 651 48 2 Afrihost-Brevis Computer Serv
36903 626 315 103 Office National des Postes et
36992 509 1359 27 ETISALAT MISR
8452 504 1472 15 TE-AS
37492 395 234 68 Orange Tunisie
37054 362 19 7 Data Telecom Service
29571 301 37 13 Cote d'Ivoire Telecom
24835 294 466 14 Vodafone Data
2018 256 327 74 TENET (The UNINET Project)
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 3475 540 161 Telmex Colombia S.A.
7545 3338 356 220 TPG Telecom Limited
22773 3247 2947 139 Cox Communications Inc.
17974 2945 914 96 PT Telekomunikasi Indonesia
39891 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2549 981 1834 Akamai International B.V.
9829 2451 1465 461 National Internet Backbone
4766 2449 11137 826 Korea Telecom
6389 2299 3671 41 BellSouth.net Inc.
8151 2249 3419 568 Uninet S.A. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7545 3338 3118 TPG Telecom Limited
22773 3247 3108 Cox Communications Inc.
39891 2901 2890 SaudiNet, Saudi Telecom Compa
17974 2945 2849 PT Telekomunikasi Indonesia
6389 2299 2258 BellSouth.net Inc.
9829 2451 1990 National Internet Backbone
18566 2190 1915 MegaPath Corporation
9808 1904 1884 Guangdong Mobile Communicatio
4755 2093 1852 TATA Communications formerly
8151 2249 1681 Uninet S.A. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
56687 UNALLOCATED 5.61.72.0/21 42337 Respina Networks & B
50908 UNALLOCATED 5.154.230.0/23 61030 >>UNKNOWN<<
50908 UNALLOCATED 5.154.240.0/24 61030 >>UNKNOWN<<
50892 UNALLOCATED 5.160.16.0/24 42337 Respina Networks & B
50892 UNALLOCATED 5.160.17.0/24 42337 Respina Networks & B
50892 UNALLOCATED 5.160.18.0/24 42337 Respina Networks & B
50892 UNALLOCATED 5.160.19.0/24 42337 Respina Networks & B
50892 UNALLOCATED 5.160.20.0/24 42337 Respina Networks & B
50892 UNALLOCATED 5.160.21.0/24 42337 Respina Networks & B
50892 UNALLOCATED 5.160.22.0/24 42337 Respina Networks & B
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
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
27.100.7.0/24 56096 >>UNKNOWN<<
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<<
41.73.7.0/24 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 /8:17 /9:13 /10:36 /11:102 /12:267
/13:505 /14:1036 /15:1753 /16:12977 /17:7455 /18:12462
/19:25385 /20:36481 /21:38492 /22:64851 /23:56350 /24:324573
/25:7 /26:8 /27:12 /28:103 /29:245 /30:553
/31:0 /32:84
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2901 SaudiNet, Saudi Telecom Compa
22773 2476 3247 Cox Communications Inc.
18566 2092 2190 MegaPath Corporation
30036 1505 1690 Mediacom Communications Corp
6389 1477 2299 BellSouth.net Inc.
10620 1377 3475 Telmex Colombia S.A.
6983 1338 1689 EarthLink, Inc.
34984 1248 1964 TELLCOM ILETISIM HIZMETLERI A
11492 1195 1291 CABLE ONE, INC.
6849 968 1148 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1578 2:740 4:17 5:2069 6:31 8:908
12:1782 13:39 14:1662 15:45 16:2 17:84
18:90 20:48 22:1 23:1490 24:1772 27:2272
31:1690 32:36 33:2 34:2 35:5 36:288
37:2238 38:1212 39:25 40:91 41:2918 42:380
43:1701 44:43 45:1900 46:2476 47:79 49:1144
50:869 51:34 52:200 54:331 55:5 56:7
57:44 58:1478 59:802 60:342 61:1799 62:1500
63:1929 64:4428 65:2166 66:4239 67:2162 68:1091
69:3289 70:1100 71:475 72:1986 74:2541 75:345
76:345 77:1376 78:1247 79:812 80:1277 81:1337
82:937 83:700 84:819 85:1609 86:479 87:1090
88:560 89:1992 90:173 91:6036 92:897 93:2324
94:2321 95:2312 96:476 97:359 98:936 99:46
100:74 101:1028 103:10681 104:2440 105:125 106:399
107:1174 108:650 109:2174 110:1243 111:1642 112:1000
113:1129 114:1038 115:1590 116:1527 117:1432 118:2031
119:1603 120:905 121:1118 122:2125 123:1993 124:1516
125:1628 128:688 129:392 130:408 131:1326 132:618
133:176 134:442 135:127 136:374 137:344 138:1721
139:272 140:473 141:450 142:624 143:900 144:688
145:159 146:847 147:613 148:1473 149:504 150:644
151:882 152:610 153:280 154:761 155:931 156:496
157:436 158:337 159:1028 160:485 161:706 162:2280
163:535 164:860 165:1046 166:310 167:1144 168:1849
169:663 170:1604 171:263 172:565 173:1635 174:745
175:708 176:1737 177:4018 178:2206 179:1138 180:1992
181:1762 182:1870 183:971 184:793 185:6471 186:2982
187:2129 188:2122 189:1712 190:7694 191:1222 192:8886
193:5727 194:4384 195:3769 196:1761 197:1141 198:5501
199:5674 200:6981 201:3765 202:9393 203:9575 204:4464
205:2732 206:2895 207:3078 208:4033 209:3835 210:3346
211:1794 212:2624 213:2227 214:856 215:70 216:5782
217:1954 218:726 219:385 220:1691 221:866 222:456
223:1214
End of report