Routing Table Report 08:00 +10GMT Mon 23 May, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 584198
Prefixes after maximum aggregation (per Origin AS): 216171
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 290732
Total ASes present in the Internet Routing Table: 53720
Prefixes per ASN: 10.87
Origin-only ASes present in the Internet Routing Table: 36441
Origin ASes announcing only one prefix: 15676
Transit ASes present in the Internet Routing Table: 6499
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: 39
Max AS path prepend of ASN ( 55644) 33
Prefixes from unregistered ASNs in the Routing Table: 1073
Unregistered ASNs in the Routing Table: 393
Number of 32-bit ASNs allocated by the RIRs: 13976
Number of 32-bit ASNs visible in the Routing Table: 10780
Prefixes from 32-bit ASNs in the Routing Table: 42228
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: 392
Number of addresses announced to Internet: 2833036800
Equivalent to 168 /8s, 220 /16s and 182 /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: 192237
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 142380
Total APNIC prefixes after maximum aggregation: 41611
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 154372
Unique aggregates announced from the APNIC address blocks: 66630
APNIC Region origin ASes present in the Internet Routing Table: 5130
APNIC Prefixes per ASN: 30.09
APNIC Region origin ASes announcing only one prefix: 1195
APNIC Region transit ASes present in the Internet Routing Table: 893
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2083
Number of APNIC addresses announced to Internet: 753356544
Equivalent to 44 /8s, 231 /16s and 79 /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: 179890
Total ARIN prefixes after maximum aggregation: 88755
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 185317
Unique aggregates announced from the ARIN address blocks: 87980
ARIN Region origin ASes present in the Internet Routing Table: 16320
ARIN Prefixes per ASN: 11.36
ARIN Region origin ASes announcing only one prefix: 5841
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: 1214
Number of ARIN addresses announced to Internet: 1101365760
Equivalent to 65 /8s, 165 /16s and 130 /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: 142253
Total RIPE prefixes after maximum aggregation: 70400
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 151553
Unique aggregates announced from the RIPE address blocks: 93904
RIPE Region origin ASes present in the Internet Routing Table: 18082
RIPE Prefixes per ASN: 8.38
RIPE Region origin ASes announcing only one prefix: 7888
RIPE Region transit ASes present in the Internet Routing Table: 3063
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: 4775
Number of RIPE addresses announced to Internet: 704243968
Equivalent to 41 /8s, 249 /16s and 233 /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: 61619
Total LACNIC prefixes after maximum aggregation: 12114
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 76044
Unique aggregates announced from the LACNIC address blocks: 36062
LACNIC Region origin ASes present in the Internet Routing Table: 2476
LACNIC Prefixes per ASN: 30.71
LACNIC Region origin ASes announcing only one prefix: 573
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: 2499
Number of LACNIC addresses announced to Internet: 171132416
Equivalent to 10 /8s, 51 /16s and 70 /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: 14599
Total AfriNIC prefixes after maximum aggregation: 3254
AfriNIC Deaggregation factor: 4.49
Prefixes being announced from the AfriNIC address blocks: 16519
Unique aggregates announced from the AfriNIC address blocks: 5803
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 22.44
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: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 209
Number of AfriNIC addresses announced to Internet: 80274944
Equivalent to 4 /8s, 200 /16s and 230 /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 3332 356 220 TPG Telecom Limited
17974 2945 914 96 PT Telekomunikasi Indonesia
9829 2453 1465 466 National Internet Backbone
4766 2447 11137 826 Korea Telecom
4755 2094 432 241 TATA Communications formerly
9808 1910 8640 20 Guangdong Mobile Communicatio
9583 1514 122 559 Sify Limited
38197 1494 93 224 Sun Network (Hong Kong) Limit
9498 1441 359 120 BHARTI Airtel Ltd.
24560 1400 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 762 Qwest Communications Company,
4323 1503 976 367 tw telecom holdings, inc.
11492 1291 236 581 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 2551 985 1836 Akamai International B.V.
34984 1965 326 358 TELLCOM ILETISIM HIZMETLERI A
12479 1220 997 83 France Telecom Espana SA
6849 1148 355 21 JSC "Ukrtelecom"
8551 1133 376 55 Bezeq International-Ltd
8402 1079 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 3477 541 152 Telmex Colombia S.A.
8151 2251 3419 565 Uninet S.A. de C.V.
7303 1510 940 234 Telecom Argentina S.A.
11830 1478 368 52 Instituto Costarricense de El
6503 1475 437 56 Axtel, S.A.B. de C.V.
6147 1171 377 27 Telefonica del Peru S.A.A.
3816 1007 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 650 48 2 Afrihost-Brevis Computer Serv
36903 626 315 103 Office National des Postes et
8452 510 1472 15 TE-AS
36992 509 1359 27 ETISALAT MISR
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 284 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 3477 541 152 Telmex Colombia S.A.
7545 3332 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 2551 985 1836 Akamai International B.V.
9829 2453 1465 466 National Internet Backbone
4766 2447 11137 826 Korea Telecom
6389 2299 3671 41 BellSouth.net Inc.
8151 2251 3419 565 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 3332 3112 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 2453 1987 National Internet Backbone
18566 2190 1915 MegaPath Corporation
9808 1910 1890 Guangdong Mobile Communicatio
4755 2094 1853 TATA Communications formerly
8151 2251 1686 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 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
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
/13:505 /14:1036 /15:1751 /16:12981 /17:7457 /18:12470
/19:25381 /20:36517 /21:38540 /22:64875 /23:56461 /24:324782
/25:7 /26:8 /27:12 /28:104 /29:243 /30:548
/31:0 /32:85
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 1373 3477 Telmex Colombia S.A.
6983 1337 1689 EarthLink, Inc.
34984 1249 1965 TELLCOM ILETISIM HIZMETLERI A
11492 1194 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)
----------------------------------------------
1:1579 2:742 4:17 5:2067 6:31 8:905
12:1779 13:39 14:1660 15:45 16:2 17:84
18:90 20:48 22:1 23:1493 24:1776 27:2257
31:1688 32:36 33:2 34:2 35:5 36:287
37:2308 38:1212 39:25 40:91 41:2986 42:380
43:1726 44:43 45:1891 46:2483 47:79 49:1144
50:870 51:34 52:199 54:329 55:5 56:7
57:44 58:1485 59:788 60:342 61:1799 62:1520
63:1917 64:4429 65:2166 66:4241 67:2139 68:1090
69:3288 70:1103 71:475 72:1986 74:2546 75:344
76:345 77:1374 78:1242 79:813 80:1280 81:1338
82:941 83:694 84:819 85:1609 86:479 87:1091
88:561 89:1988 90:174 91:6035 92:896 93:2339
94:2326 95:2310 96:485 97:359 98:931 99:46
100:74 101:1028 103:10737 104:2435 105:125 106:399
107:1175 108:648 109:2174 110:1242 111:1645 112:996
113:1128 114:1043 115:1591 116:1533 117:1431 118:2031
119:1605 120:904 121:1120 122:2123 123:2005 124:1515
125:1627 128:684 129:409 130:408 131:1329 132:616
133:176 134:442 135:127 136:374 137:349 138:1714
139:272 140:473 141:450 142:624 143:921 144:689
145:160 146:848 147:614 148:1474 149:509 150:645
151:882 152:571 153:280 154:759 155:925 156:499
157:434 158:334 159:1024 160:484 161:706 162:2274
163:537 164:877 165:1046 166:310 167:1144 168:1846
169:661 170:1598 171:263 172:565 173:1631 174:745
175:704 176:1735 177:3999 178:2210 179:1154 180:2049
181:1778 182:1871 183:948 184:796 185:6451 186:2973
187:2114 188:2119 189:1708 190:7728 191:1233 192:8896
193:5730 194:4379 195:3773 196:1770 197:1169 198:5506
199:5672 200:6967 201:3763 202:9382 203:9573 204:4467
205:2719 206:2887 207:3074 208:4038 209:3834 210:3346
211:1790 212:2625 213:2221 214:843 215:70 216:5780
217:1949 218:727 219:385 220:1682 221:866 222:455
223:1214
End of report