Routing Table Report 08:00 +10GMT Fri 27 May, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 584030
Prefixes after maximum aggregation (per Origin AS): 216485
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 291317
Total ASes present in the Internet Routing Table: 53772
Prefixes per ASN: 10.86
Origin-only ASes present in the Internet Routing Table: 36427
Origin ASes announcing only one prefix: 15649
Transit ASes present in the Internet Routing Table: 6509
Transit-only ASes present in the Internet Routing Table: 171
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: 1049
Unregistered ASNs in the Routing Table: 391
Number of 32-bit ASNs allocated by the RIRs: 14022
Number of 32-bit ASNs visible in the Routing Table: 10836
Prefixes from 32-bit ASNs in the Routing Table: 42351
Number of bogon 32-bit ASNs visible in the Routing Table: 39
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 381
Number of addresses announced to Internet: 2831423744
Equivalent to 168 /8s, 196 /16s and 25 /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: 191893
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 142616
Total APNIC prefixes after maximum aggregation: 41680
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 154658
Unique aggregates announced from the APNIC address blocks: 66962
APNIC Region origin ASes present in the Internet Routing Table: 5134
APNIC Prefixes per ASN: 30.12
APNIC Region origin ASes announcing only one prefix: 1194
APNIC Region transit ASes present in the Internet Routing Table: 900
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: 2084
Number of APNIC addresses announced to Internet: 753314560
Equivalent to 44 /8s, 230 /16s and 171 /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: 180058
Total ARIN prefixes after maximum aggregation: 88863
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 185532
Unique aggregates announced from the ARIN address blocks: 88092
ARIN Region origin ASes present in the Internet Routing Table: 16323
ARIN Prefixes per ASN: 11.37
ARIN Region origin ASes announcing only one prefix: 5832
ARIN Region transit ASes present in the Internet Routing Table: 1731
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: 1227
Number of ARIN addresses announced to Internet: 1099734016
Equivalent to 65 /8s, 140 /16s and 156 /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, 393216-397212
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: 142364
Total RIPE prefixes after maximum aggregation: 70520
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 151666
Unique aggregates announced from the RIPE address blocks: 94012
RIPE Region origin ASes present in the Internet Routing Table: 18075
RIPE Prefixes per ASN: 8.39
RIPE Region origin ASes announcing only one prefix: 7869
RIPE Region transit ASes present in the Internet Routing Table: 3060
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4798
Number of RIPE addresses announced to Internet: 704216064
Equivalent to 41 /8s, 249 /16s and 124 /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: 60913
Total LACNIC prefixes after maximum aggregation: 12168
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 75382
Unique aggregates announced from the LACNIC address blocks: 36092
LACNIC Region origin ASes present in the Internet Routing Table: 2476
LACNIC Prefixes per ASN: 30.45
LACNIC Region origin ASes announcing only one prefix: 577
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: 2511
Number of LACNIC addresses announced to Internet: 171134720
Equivalent to 10 /8s, 51 /16s and 79 /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: 14496
Total AfriNIC prefixes after maximum aggregation: 3217
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 16410
Unique aggregates announced from the AfriNIC address blocks: 5810
AfriNIC Region origin ASes present in the Internet Routing Table: 732
AfriNIC Prefixes per ASN: 22.42
AfriNIC Region origin ASes announcing only one prefix: 177
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: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 216
Number of AfriNIC addresses announced to Internet: 80305664
Equivalent to 4 /8s, 201 /16s and 94 /24s
Percentage of available AfriNIC address space announced: 79.8
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 356 223 TPG Telecom Limited
17974 2946 914 96 PT Telekomunikasi Indonesia
9829 2481 1468 505 National Internet Backbone
4766 2452 11137 826 Korea Telecom
4755 2090 431 238 TATA Communications formerly
9808 1980 8704 30 Guangdong Mobile Communicatio
9583 1511 122 557 Sify Limited
38197 1502 93 226 Sun Network (Hong Kong) Limit
9498 1441 359 120 BHARTI Airtel Ltd.
24560 1389 480 210 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 3333 2947 140 Cox Communications Inc.
6389 2298 3671 41 BellSouth.net Inc.
18566 2190 394 275 MegaPath Corporation
20115 1922 1938 405 Charter Communications
6983 1690 849 233 EarthLink, Inc.
30036 1689 336 423 Mediacom Communications Corp
209 1683 4970 764 Qwest Communications Company,
4323 1501 984 366 tw telecom holdings, inc.
701 1288 10717 701 MCI Communications Services,
11492 1282 234 585 CABLE ONE, 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 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2590 1002 1861 Akamai International B.V.
34984 1965 326 358 TELLCOM ILETISIM HIZMETLERI A
12479 1229 998 88 France Telecom Espana SA
6849 1148 355 21 JSC "Ukrtelecom"
8402 1115 544 15 OJSC "Vimpelcom"
13188 1078 98 65 TOV "Bank-Inform"
8551 1055 376 55 Bezeq International-Ltd
31148 1028 47 44 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 3471 540 161 Telmex Colombia S.A.
8151 2252 3419 572 Uninet S.A. de C.V.
7303 1511 940 234 Telecom Argentina S.A.
11830 1478 368 51 Instituto Costarricense de El
6503 1475 437 56 Axtel, S.A.B. de C.V.
3816 1007 480 172 COLOMBIA TELECOMUNICACIONES S
26615 1007 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.
18881 869 1036 22 Global Village Telecom
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 1088 402 45 Link Egypt (Link.NET)
37611 649 48 2 Afrihost-Brevis Computer Serv
36903 626 315 103 Office National des Postes et
36992 509 1359 27 ETISALAT MISR
8452 487 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 292 466 14 Vodafone Data
15399 285 35 10 Wananchi Group (Kenya) Limite
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 3471 540 161 Telmex Colombia S.A.
7545 3338 356 223 TPG Telecom Limited
22773 3333 2947 140 Cox Communications Inc.
17974 2946 914 96 PT Telekomunikasi Indonesia
39891 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2590 1002 1861 Akamai International B.V.
9829 2481 1468 505 National Internet Backbone
4766 2452 11137 826 Korea Telecom
6389 2298 3671 41 BellSouth.net Inc.
8151 2252 3419 572 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
22773 3333 3193 Cox Communications Inc.
7545 3338 3115 TPG Telecom Limited
39891 2901 2890 SaudiNet, Saudi Telecom Compa
17974 2946 2850 PT Telekomunikasi Indonesia
6389 2298 2257 BellSouth.net Inc.
9829 2481 1976 National Internet Backbone
9808 1980 1950 Guangdong Mobile Communicatio
18566 2190 1915 MegaPath Corporation
4755 2090 1852 TATA Communications formerly
8151 2252 1680 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
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
16589 UNALLOCATED 8.20.247.0/24 35838 CCANET Limited
16589 UNALLOCATED 8.26.56.0/24 35838 CCANET Limited
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
27205 UNALLOCATED 8.38.16.0/22 32787 Prolexic Technologie
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
27205 UNALLOCATED 8.38.20.0/24 32787 Prolexic Technologie
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
23.249.144.0/20 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<<
41.73.8.0/24 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
/13:508 /14:1037 /15:1753 /16:12986 /17:7443 /18:12469
/19:25377 /20:36526 /21:38523 /22:64966 /23:56388 /24:324602
/25:7 /26:8 /27:12 /28:104 /29:247 /30:556
/31:0 /32:83
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2901 SaudiNet, Saudi Telecom Compa
22773 2560 3333 Cox Communications Inc.
18566 2092 2190 MegaPath Corporation
30036 1504 1689 Mediacom Communications Corp
6389 1476 2298 BellSouth.net Inc.
10620 1376 3471 Telmex Colombia S.A.
6983 1339 1690 EarthLink, Inc.
34984 1249 1965 TELLCOM ILETISIM HIZMETLERI A
11492 1186 1282 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)
----------------------------------------------
1:1580 2:747 4:17 5:2072 6:31 8:912
12:1779 13:39 14:1664 15:45 16:2 17:84
18:90 20:48 22:1 23:1494 24:1763 27:2267
31:1768 32:36 33:2 34:2 35:5 36:292
37:2232 38:1216 39:25 40:91 41:2989 42:381
43:1721 44:43 45:1921 46:2476 47:79 49:1143
50:872 51:33 52:214 54:331 55:6 56:7
57:46 58:1472 59:800 60:343 61:1800 62:1442
63:1928 64:4444 65:2164 66:4246 67:2174 68:1092
69:3292 70:1156 71:476 72:2002 74:2538 75:346
76:349 77:1379 78:1283 79:828 80:1278 81:1350
82:933 83:695 84:823 85:1610 86:478 87:1089
88:562 89:1995 90:172 91:6033 92:911 93:2335
94:2383 95:2315 96:484 97:359 98:933 99:46
100:74 101:1029 103:10778 104:2433 105:125 106:405
107:1179 108:648 109:2177 110:1235 111:1640 112:1005
113:1156 114:1047 115:1591 116:1534 117:1434 118:2041
119:1603 120:920 121:1117 122:2121 123:2012 124:1526
125:1629 128:693 129:391 130:411 131:1337 132:550
133:176 134:441 135:127 136:371 137:345 138:1724
139:271 140:473 141:450 142:625 143:883 144:695
145:159 146:843 147:623 148:1474 149:507 150:638
151:883 152:610 153:280 154:759 155:930 156:502
157:446 158:336 159:1026 160:488 161:712 162:2271
163:530 164:867 165:1041 166:310 167:1068 168:1868
169:668 170:1612 171:263 172:569 173:1639 174:746
175:710 176:1735 177:4022 178:2207 179:1141 180:2047
181:1655 182:1847 183:976 184:799 185:6514 186:2969
187:2120 188:2106 189:1690 190:7382 191:1246 192:8892
193:5735 194:4379 195:3766 196:1727 197:1172 198:5509
199:5674 200:6919 201:3681 202:9379 203:9568 204:4473
205:2735 206:2898 207:3086 208:4037 209:3848 210:3351
211:1790 212:2574 213:2227 214:855 215:71 216:5793
217:1963 218:729 219:385 220:1689 221:864 222:455
223:1218
End of report