Routing Table Report 04:00 +10GMT Fri 29 May, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 545922
Prefixes after maximum aggregation (per Origin AS): 207646
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 266374
Total ASes present in the Internet Routing Table: 50448
Prefixes per ASN: 10.82
Origin-only ASes present in the Internet Routing Table: 36677
Origin ASes announcing only one prefix: 16284
Transit ASes present in the Internet Routing Table: 6308
Transit-only ASes present in the Internet Routing Table: 167
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 41
Max AS path prepend of ASN ( 12486) 32
Prefixes from unregistered ASNs in the Routing Table: 1311
Unregistered ASNs in the Routing Table: 423
Number of 32-bit ASNs allocated by the RIRs: 9633
Number of 32-bit ASNs visible in the Routing Table: 7463
Prefixes from 32-bit ASNs in the Routing Table: 27225
Number of bogon 32-bit ASNs visible in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 351
Number of addresses announced to Internet: 2759832800
Equivalent to 164 /8s, 127 /16s and 180 /24s
Percentage of available address space announced: 74.5
Percentage of allocated address space announced: 74.5
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: 182995
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 135103
Total APNIC prefixes after maximum aggregation: 39144
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 141446
Unique aggregates announced from the APNIC address blocks: 57280
APNIC Region origin ASes present in the Internet Routing Table: 5060
APNIC Prefixes per ASN: 27.95
APNIC Region origin ASes announcing only one prefix: 1213
APNIC Region transit ASes present in the Internet Routing Table: 881
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1456
Number of APNIC addresses announced to Internet: 749275328
Equivalent to 44 /8s, 169 /16s and 8 /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: 179200
Total ARIN prefixes after maximum aggregation: 88132
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 181853
Unique aggregates announced from the ARIN address blocks: 84885
ARIN Region origin ASes present in the Internet Routing Table: 16626
ARIN Prefixes per ASN: 10.94
ARIN Region origin ASes announcing only one prefix: 6124
ARIN Region transit ASes present in the Internet Routing Table: 1726
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 456
Number of ARIN addresses announced to Internet: 1081536288
Equivalent to 64 /8s, 118 /16s and 239 /24s
Percentage of available ARIN address space announced: 57.2
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: 132380
Total RIPE prefixes after maximum aggregation: 65965
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 138742
Unique aggregates announced from the RIPE address blocks: 85983
RIPE Region origin ASes present in the Internet Routing Table: 17930
RIPE Prefixes per ASN: 7.74
RIPE Region origin ASes announcing only one prefix: 8125
RIPE Region transit ASes present in the Internet Routing Table: 2964
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3736
Number of RIPE addresses announced to Internet: 694799104
Equivalent to 41 /8s, 105 /16s and 203 /24s
Percentage of available RIPE address space announced: 101.0
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, 196608-202239
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: 59877
Total LACNIC prefixes after maximum aggregation: 11293
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 70258
Unique aggregates announced from the LACNIC address blocks: 32675
LACNIC Region origin ASes present in the Internet Routing Table: 2439
LACNIC Prefixes per ASN: 28.81
LACNIC Region origin ASes announcing only one prefix: 625
LACNIC Region transit ASes present in the Internet Routing Table: 502
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1699
Number of LACNIC addresses announced to Internet: 168182784
Equivalent to 10 /8s, 6 /16s and 68 /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: 11962
Total AfriNIC prefixes after maximum aggregation: 3067
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 13272
Unique aggregates announced from the AfriNIC address blocks: 5233
AfriNIC Region origin ASes present in the Internet Routing Table: 732
AfriNIC Prefixes per ASN: 18.13
AfriNIC Region origin ASes announcing only one prefix: 197
AfriNIC Region transit ASes present in the Internet Routing Table: 159
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 116
Number of AfriNIC addresses announced to Internet: 65736192
Equivalent to 3 /8s, 235 /16s and 14 /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
4766 2925 11557 913 Korea Telecom
17974 2688 904 81 PT Telekomunikasi Indonesia
7545 2429 336 130 TPG Telecom Limited
4755 2023 423 219 TATA Communications formerly
4538 1937 4190 72 China Education and Research
9829 1655 1332 62 National Internet Backbone
9808 1572 8717 28 Guangdong Mobile Communicatio
4808 1469 2249 467 CNCGROUP IP network China169
9583 1449 120 588 Sify Limited
9498 1330 335 101 BHARTI Airtel Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3043 2958 141 Cox Communications Inc.
6389 2796 3688 51 BellSouth.net Inc.
3356 2570 10687 495 Level 3 Communications, Inc.
18566 2047 379 189 MegaPath Corporation
20115 1881 1849 423 Charter Communications
6983 1749 866 245 EarthLink, Inc.
4323 1605 1022 410 tw telecom holdings, inc.
30036 1543 314 474 Mediacom Communications Corp
701 1391 11322 680 MCI Communications Services,
22561 1360 413 249 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 2473 132 7 SaudiNet, Saudi Telecom Compa
34984 2026 305 356 TELLCOM ILETISIM HIZMETLERI A
20940 1920 755 1406 Akamai International B.V.
6849 1213 356 24 JSC "Ukrtelecom"
8402 1110 544 15 OJSC "Vimpelcom"
31148 1049 45 23 Freenet Ltd.
13188 1040 97 70 TOV "Bank-Inform"
12479 940 868 71 France Telecom Espana SA
6830 906 2693 466 Liberty Global Operations B.V
8551 866 373 48 Bezeq International-Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3219 526 221 Telmex Colombia S.A.
28573 2283 2181 117 NET Serviços de Comunicação S
8151 1670 3255 468 Uninet S.A. de C.V.
7303 1667 1046 239 Telecom Argentina S.A.
6147 1632 374 30 Telefonica del Peru S.A.A.
6503 1254 421 55 Axtel, S.A.B. de C.V.
26615 1074 2325 35 Tim Celular S.A.
7738 999 1882 41 Telemar Norte Leste S.A.
3816 926 423 157 COLOMBIA TELECOMUNICACIONES S
18881 869 1036 22 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 895 280 37 Link Egypt (Link.NET)
8452 834 958 13 TE-AS
36903 504 254 98 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 304 146 13 Vodafone Data
3741 250 857 208 Internet Solutions
29571 242 21 12 Cote d'Ivoire Telecom
37054 199 19 6 Data Telecom Service
36947 193 807 13 Telecom Algeria
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3219 526 221 Telmex Colombia S.A.
22773 3043 2958 141 Cox Communications Inc.
4766 2925 11557 913 Korea Telecom
6389 2796 3688 51 BellSouth.net Inc.
17974 2688 904 81 PT Telekomunikasi Indonesia
3356 2570 10687 495 Level 3 Communications, Inc.
39891 2473 132 7 SaudiNet, Saudi Telecom Compa
7545 2429 336 130 TPG Telecom Limited
28573 2283 2181 117 NET Serviços de Comunicação S
18566 2047 379 189 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3043 2902 Cox Communications Inc.
6389 2796 2745 BellSouth.net Inc.
17974 2688 2607 PT Telekomunikasi Indonesia
39891 2473 2466 SaudiNet, Saudi Telecom Compa
7545 2429 2299 TPG Telecom Limited
28573 2283 2166 NET Serviços de Comunicação S
3356 2570 2075 Level 3 Communications, Inc.
4766 2925 2012 Korea Telecom
4538 1937 1865 China Education and Research
18566 2047 1858 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/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
18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
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/current/data-badAS
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<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/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 /9:12 /10:34 /11:94 /12:264
/13:505 /14:1003 /15:1723 /16:12948 /17:7265 /18:12347
/19:25541 /20:36092 /21:38810 /22:59674 /23:51910 /24:294688
/25:1096 /26:1137 /27:716 /28:14 /29:12 /30:7
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2473 SaudiNet, Saudi Telecom Compa
22773 2250 3043 Cox Communications Inc.
18566 1999 2047 MegaPath Corporation
6389 1639 2796 BellSouth.net Inc.
6983 1396 1749 EarthLink, Inc.
30036 1379 1543 Mediacom Communications Corp
34984 1322 2026 TELLCOM ILETISIM HIZMETLERI A
6147 1183 1632 Telefonica del Peru S.A.A.
10620 1135 3219 Telmex Colombia S.A.
11492 1111 1192 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1488 2:680 4:93 5:1816 6:25 8:1414
11:1 12:1830 13:10 14:1262 15:16 16:2
17:43 18:22 20:48 23:1231 24:1705 27:1892
31:1592 32:38 33:2 34:4 35:3 36:113
37:1920 38:1034 39:6 40:252 41:2635 42:285
43:1289 44:24 45:657 46:2200 47:42 49:873
50:806 52:12 54:73 55:6 56:8 57:40
58:1289 59:716 60:478 61:1753 62:1330 63:1919
64:4418 65:2274 66:4084 67:2054 68:1060 69:3272
70:981 71:449 72:1981 74:2647 75:335 76:424
77:1406 78:1253 79:802 80:1336 81:1303 82:812
83:699 84:722 85:1408 86:391 87:1038 88:523
89:1840 90:151 91:5963 92:849 93:2198 94:2066
95:2179 96:430 97:354 98:1051 99:49 100:69
101:820 103:7453 104:1775 105:63 106:225 107:978
108:626 109:2049 110:1102 111:1486 112:799 113:1082
114:825 115:1286 116:1375 117:1065 118:1813 119:1433
120:452 121:1086 122:2147 123:1827 124:1510 125:1598
128:653 129:384 130:401 131:1168 132:494 133:178
134:411 135:108 136:329 137:309 138:771 139:151
140:223 141:447 142:666 143:508 144:568 145:116
146:708 147:588 148:1128 149:408 150:563 151:604
152:486 153:243 154:488 155:868 156:408 157:463
158:334 159:1010 160:381 161:659 162:1949 163:429
164:674 165:693 166:299 167:837 168:1293 169:171
170:1462 171:246 172:67 173:1545 174:713 175:692
176:1312 177:3729 178:2140 179:980 180:1937 181:1695
182:1782 183:624 184:757 185:3552 186:2668 187:1739
188:2043 189:1582 190:7706 191:1009 192:8365 193:5600
194:4148 195:3651 196:1474 197:964 198:5520 199:5520
200:6656 201:3111 202:9470 203:9151 204:4680 205:2829
206:3081 207:2950 208:3963 209:3966 210:3528 211:1862
212:2552 213:2334 214:864 215:73 216:5728 217:1823
218:696 219:460 220:1432 221:783 222:475 223:707
End of report