Routing Table Report 08:00 +10GMT Sat 28 May, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 584661
Prefixes after maximum aggregation (per Origin AS): 216441
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 291331
Total ASes present in the Internet Routing Table: 53794
Prefixes per ASN: 10.87
Origin-only ASes present in the Internet Routing Table: 36424
Origin ASes announcing only one prefix: 15653
Transit ASes present in the Internet Routing Table: 6522
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: 1052
Unregistered ASNs in the Routing Table: 390
Number of 32-bit ASNs allocated by the RIRs: 14035
Number of 32-bit ASNs visible in the Routing Table: 10848
Prefixes from 32-bit ASNs in the Routing Table: 42376
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: 369
Number of addresses announced to Internet: 2831707392
Equivalent to 168 /8s, 200 /16s and 109 /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: 192351
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 142598
Total APNIC prefixes after maximum aggregation: 41649
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 154682
Unique aggregates announced from the APNIC address blocks: 66987
APNIC Region origin ASes present in the Internet Routing Table: 5136
APNIC Prefixes per ASN: 30.12
APNIC Region origin ASes announcing only one prefix: 1195
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: 2085
Number of APNIC addresses announced to Internet: 753275648
Equivalent to 44 /8s, 230 /16s and 19 /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: 180130
Total ARIN prefixes after maximum aggregation: 88843
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 185632
Unique aggregates announced from the ARIN address blocks: 88094
ARIN Region origin ASes present in the Internet Routing Table: 16325
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: 1734
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: 1230
Number of ARIN addresses announced to Internet: 1099700224
Equivalent to 65 /8s, 140 /16s and 24 /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: 142452
Total RIPE prefixes after maximum aggregation: 70541
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 151767
Unique aggregates announced from the RIPE address blocks: 94002
RIPE Region origin ASes present in the Internet Routing Table: 18079
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: 3071
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4802
Number of RIPE addresses announced to Internet: 704579328
Equivalent to 41 /8s, 255 /16s and 7 /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: 61410
Total LACNIC prefixes after maximum aggregation: 12153
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 75856
Unique aggregates announced from the LACNIC address blocks: 36090
LACNIC Region origin ASes present in the Internet Routing Table: 2476
LACNIC Prefixes per ASN: 30.64
LACNIC Region origin ASes announcing only one prefix: 578
LACNIC Region transit ASes present in the Internet Routing Table: 562
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2513
Number of LACNIC addresses announced to Internet: 171148800
Equivalent to 10 /8s, 51 /16s and 134 /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: 14466
Total AfriNIC prefixes after maximum aggregation: 3218
AfriNIC Deaggregation factor: 4.50
Prefixes being announced from the AfriNIC address blocks: 16354
Unique aggregates announced from the AfriNIC address blocks: 5819
AfriNIC Region origin ASes present in the Internet Routing Table: 734
AfriNIC Prefixes per ASN: 22.28
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 170
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: 218
Number of AfriNIC addresses announced to Internet: 80279296
Equivalent to 4 /8s, 200 /16s and 247 /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 3336 356 221 TPG Telecom Limited
17974 2945 914 96 PT Telekomunikasi Indonesia
9829 2513 1479 497 National Internet Backbone
4766 2452 11137 826 Korea Telecom
4755 2089 431 238 TATA Communications formerly
9808 1980 8704 30 Guangdong Mobile Communicatio
9583 1511 122 557 Sify Limited
38197 1502 93 225 Sun Network (Hong Kong) Limit
9498 1442 359 120 BHARTI Airtel Ltd.
24560 1385 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 3335 2947 140 Cox Communications Inc.
6389 2297 3671 41 BellSouth.net Inc.
18566 2190 394 275 MegaPath Corporation
20115 1923 1938 403 Charter Communications
30036 1692 336 415 Mediacom Communications Corp
6983 1690 849 233 EarthLink, Inc.
209 1688 4973 769 Qwest Communications Company,
4323 1501 984 366 tw telecom holdings, inc.
701 1284 10715 698 MCI Communications Services,
11492 1283 234 584 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 2602 1007 1870 Akamai International B.V.
34984 1965 326 358 TELLCOM ILETISIM HIZMETLERI A
12479 1229 998 88 France Telecom Espana SA
8551 1157 376 55 Bezeq International-Ltd
6849 1148 355 21 JSC "Ukrtelecom"
8402 1115 544 15 OJSC "Vimpelcom"
13188 1078 98 68 TOV "Bank-Inform"
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 3472 541 155 Telmex Colombia S.A.
8151 2256 3425 573 Uninet S.A. de C.V.
7303 1511 940 234 Telecom Argentina S.A.
11830 1478 368 51 Instituto Costarricense de El
6503 1476 437 56 Axtel, S.A.B. de C.V.
6147 1112 377 27 Telefonica del Peru S.A.A.
26615 1007 2325 34 Tim Celular S.A.
3816 1006 480 171 COLOMBIA TELECOMUNICACIONES S
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 1088 402 45 Link Egypt (Link.NET)
37611 639 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 294 466 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 3472 541 155 Telmex Colombia S.A.
7545 3336 356 221 TPG Telecom Limited
22773 3335 2947 140 Cox Communications Inc.
17974 2945 914 96 PT Telekomunikasi Indonesia
39891 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2602 1007 1870 Akamai International B.V.
9829 2513 1479 497 National Internet Backbone
4766 2452 11137 826 Korea Telecom
6389 2297 3671 41 BellSouth.net Inc.
8151 2256 3425 573 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 3335 3195 Cox Communications Inc.
7545 3336 3115 TPG Telecom Limited
39891 2901 2890 SaudiNet, Saudi Telecom Compa
17974 2945 2849 PT Telekomunikasi Indonesia
6389 2297 2256 BellSouth.net Inc.
9829 2513 2016 National Internet Backbone
9808 1980 1950 Guangdong Mobile Communicatio
18566 2190 1915 MegaPath Corporation
4755 2089 1851 TATA Communications formerly
8151 2256 1683 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
23.226.112.0/20 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
/13:508 /14:1037 /15:1753 /16:12987 /17:7447 /18:12473
/19:25381 /20:36569 /21:38513 /22:65017 /23:56453 /24:325074
/25:7 /26:8 /27:12 /28:104 /29:244 /30:557
/31:0 /32:82
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2901 SaudiNet, Saudi Telecom Compa
22773 2561 3335 Cox Communications Inc.
18566 2092 2190 MegaPath Corporation
30036 1507 1692 Mediacom Communications Corp
6389 1476 2297 BellSouth.net Inc.
10620 1376 3472 Telmex Colombia S.A.
6983 1340 1690 EarthLink, Inc.
34984 1249 1965 TELLCOM ILETISIM HIZMETLERI A
11492 1186 1283 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 2:749 4:17 5:2073 6:31 8:911
12:1779 13:39 14:1663 15:45 16:2 17:84
18:90 20:49 22:1 23:1498 24:1763 27:2268
31:1769 32:36 33:2 34:2 35:5 36:288
37:2232 38:1214 39:25 40:91 41:2943 42:383
43:1714 44:42 45:1928 46:2481 47:79 49:1138
50:875 51:33 52:199 54:330 55:7 56:7
57:46 58:1474 59:801 60:343 61:1799 62:1499
63:1932 64:4441 65:2166 66:4245 67:2173 68:1094
69:3292 70:1156 71:473 72:2003 74:2535 75:346
76:349 77:1376 78:1281 79:838 80:1278 81:1352
82:934 83:695 84:826 85:1579 86:480 87:1058
88:563 89:1998 90:172 91:6037 92:913 93:2332
94:2385 95:2313 96:483 97:359 98:933 99:46
100:74 101:1029 103:10790 104:2439 105:125 106:405
107:1182 108:652 109:2179 110:1224 111:1634 112:1002
113:1157 114:1051 115:1594 116:1535 117:1431 118:2038
119:1603 120:919 121:1117 122:2121 123:2020 124:1524
125:1629 128:692 129:391 130:411 131:1311 132:557
133:176 134:442 135:127 136:374 137:343 138:1739
139:266 140:463 141:450 142:627 143:896 144:691
145:159 146:850 147:622 148:1475 149:507 150:641
151:883 152:610 153:284 154:768 155:931 156:503
157:443 158:336 159:1026 160:488 161:712 162:2272
163:533 164:865 165:1033 166:310 167:1148 168:1874
169:663 170:1614 171:263 172:568 173:1641 174:746
175:708 176:1737 177:4006 178:2211 179:1137 180:2029
181:1769 182:1850 183:978 184:799 185:6528 186:2966
187:2135 188:2106 189:1703 190:7651 191:1237 192:8895
193:5735 194:4381 195:3763 196:1728 197:1171 198:5499
199:5669 200:6891 201:3704 202:9382 203:9573 204:4476
205:2717 206:2899 207:3088 208:4044 209:3851 210:3352
211:1791 212:2613 213:2231 214:850 215:71 216:5786
217:1966 218:729 219:385 220:1685 221:862 222:458
223:1218
End of report