Routing Table Report 09:00 +10GMT Wed 01 Jul, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 536694
Prefixes after maximum aggregation (per Origin AS): 205982
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 267707
Total ASes present in the Internet Routing Table: 50553
Prefixes per ASN: 10.62
Origin-only ASes present in the Internet Routing Table: 36679
Origin ASes announcing only one prefix: 16212
Transit ASes present in the Internet Routing Table: 6159
Transit-only ASes present in the Internet Routing Table: 160
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 64
Max AS path prepend of ASN ( 55944) 61
Prefixes from unregistered ASNs in the Routing Table: 1027
Unregistered ASNs in the Routing Table: 385
Number of 32-bit ASNs allocated by the RIRs: 10023
Number of 32-bit ASNs visible in the Routing Table: 7715
Prefixes from 32-bit ASNs in the Routing Table: 28259
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 403
Number of addresses announced to Internet: 2778924096
Equivalent to 165 /8s, 163 /16s and 4 /24s
Percentage of available address space announced: 75.1
Percentage of allocated address space announced: 75.1
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: 180384
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 128091
Total APNIC prefixes after maximum aggregation: 38176
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 134721
Unique aggregates announced from the APNIC address blocks: 57669
APNIC Region origin ASes present in the Internet Routing Table: 5025
APNIC Prefixes per ASN: 26.81
APNIC Region origin ASes announcing only one prefix: 1211
APNIC Region transit ASes present in the Internet Routing Table: 852
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 64
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1515
Number of APNIC addresses announced to Internet: 748676864
Equivalent to 44 /8s, 159 /16s and 231 /24s
Percentage of available APNIC address space announced: 87.5
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: 175754
Total ARIN prefixes after maximum aggregation: 87030
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 178437
Unique aggregates announced from the ARIN address blocks: 84954
ARIN Region origin ASes present in the Internet Routing Table: 16514
ARIN Prefixes per ASN: 10.81
ARIN Region origin ASes announcing only one prefix: 6088
ARIN Region transit ASes present in the Internet Routing Table: 1653
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 514
Number of ARIN addresses announced to Internet: 1100243456
Equivalent to 65 /8s, 148 /16s and 98 /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, 393216-395164
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: 132540
Total RIPE prefixes after maximum aggregation: 66274
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 138840
Unique aggregates announced from the RIPE address blocks: 86430
RIPE Region origin ASes present in the Internet Routing Table: 17939
RIPE Prefixes per ASN: 7.74
RIPE Region origin ASes announcing only one prefix: 8104
RIPE Region transit ASes present in the Internet Routing Table: 2931
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3798
Number of RIPE addresses announced to Internet: 695729728
Equivalent to 41 /8s, 119 /16s and 254 /24s
Percentage of available RIPE address space announced: 101.1
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: 59998
Total LACNIC prefixes after maximum aggregation: 11385
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 70499
Unique aggregates announced from the LACNIC address blocks: 33043
LACNIC Region origin ASes present in the Internet Routing Table: 2437
LACNIC Prefixes per ASN: 28.93
LACNIC Region origin ASes announcing only one prefix: 618
LACNIC Region transit ASes present in the Internet Routing Table: 494
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1760
Number of LACNIC addresses announced to Internet: 168054016
Equivalent to 10 /8s, 4 /16s and 77 /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: 11983
Total AfriNIC prefixes after maximum aggregation: 3070
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 13794
Unique aggregates announced from the AfriNIC address blocks: 5246
AfriNIC Region origin ASes present in the Internet Routing Table: 732
AfriNIC Prefixes per ASN: 18.84
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 159
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 128
Number of AfriNIC addresses announced to Internet: 65723392
Equivalent to 3 /8s, 234 /16s and 220 /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
17974 2694 904 78 PT Telekomunikasi Indonesia
7545 2302 336 128 TPG Telecom Limited
4766 2217 11296 641 Korea Telecom
4755 2022 423 219 TATA Communications formerly
9829 1753 1350 115 National Internet Backbone
9808 1501 8639 18 Guangdong Mobile Communicatio
9583 1491 118 567 Sify Limited
9498 1357 336 106 BHARTI Airtel Ltd.
38197 1288 78 144 Sun Network (Hong Kong) Limit
24560 1241 418 185 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3183 2960 142 Cox Communications Inc.
6389 2758 3688 51 BellSouth.net Inc.
18566 2054 380 195 MegaPath Corporation
20115 1865 1855 416 Charter Communications
6983 1748 850 243 EarthLink, Inc.
4323 1614 1054 411 tw telecom holdings, inc.
30036 1568 321 443 Mediacom Communications Corp
22561 1382 415 257 CenturyTel Internet Holdings,
701 1374 11369 660 MCI Communications Services,
7018 1205 19056 858 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
34984 2164 305 366 TELLCOM ILETISIM HIZMETLERI A
20940 1991 777 1448 Akamai International B.V.
6849 1209 355 21 JSC "Ukrtelecom"
13188 1068 97 73 TOV "Bank-Inform"
31148 1047 45 23 Freenet Ltd.
8402 1036 544 15 OJSC "Vimpelcom"
12479 951 869 74 France Telecom Espana SA
6830 913 2694 469 Liberty Global Operations B.V
8551 865 375 57 Bezeq International-Ltd
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3260 532 237 Telmex Colombia S.A.
28573 2277 2170 113 NET Serviços de Comunicação S
8151 1689 3255 475 Uninet S.A. de C.V.
7303 1627 1005 238 Telecom Argentina S.A.
6147 1570 372 43 Telefonica del Peru S.A.A.
6503 1266 437 57 Axtel, S.A.B. de C.V.
26615 1077 2325 35 Tim Celular S.A.
7738 996 1882 41 Telemar Norte Leste S.A.
3816 955 428 165 COLOMBIA TELECOMUNICACIONES S
11830 902 364 15 Instituto Costarricense de El
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 876 280 26 Link Egypt (Link.NET)
8452 830 958 13 TE-AS
36903 512 258 99 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
24835 307 146 12 Vodafone Data
37492 286 163 67 Orange Tunisie
3741 250 857 208 Internet Solutions
29571 241 21 12 Cote d'Ivoire Telecom
36947 188 807 13 Telecom Algeria
15706 174 32 6 Sudatel (Sudan Telecom Co. Lt
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3260 532 237 Telmex Colombia S.A.
22773 3183 2960 142 Cox Communications Inc.
6389 2758 3688 51 BellSouth.net Inc.
17974 2694 904 78 PT Telekomunikasi Indonesia
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
7545 2302 336 128 TPG Telecom Limited
28573 2277 2170 113 NET Serviços de Comunicação S
4766 2217 11296 641 Korea Telecom
34984 2164 305 366 TELLCOM ILETISIM HIZMETLERI A
18566 2054 380 195 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3183 3041 Cox Communications Inc.
6389 2758 2707 BellSouth.net Inc.
17974 2694 2616 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2302 2174 TPG Telecom Limited
28573 2277 2164 NET Serviços de Comunicação S
18566 2054 1859 MegaPath Corporation
4755 2022 1803 TATA Communications formerly
34984 2164 1798 TELLCOM ILETISIM HIZMETLERI A
9829 1753 1638 National Internet Backbone
Complete listing at http://thyme.rand.apnic.net/us/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
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 3356 Level 3 Communicatio
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.
17033 UNALLOCATED 12.3.33.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/us/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<<
41.73.2.0/24 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<<
Complete listing at http://thyme.rand.apnic.net/us/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 /10:35 /11:96 /12:262
/13:503 /14:995 /15:1711 /16:12863 /17:7136 /18:12037
/19:25027 /20:35352 /21:37530 /22:59020 /23:50590 /24:293295
/25:75 /26:57 /27:24 /28:21 /29:16 /30:6
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2384 3183 Cox Communications Inc.
18566 2003 2054 MegaPath Corporation
6389 1629 2758 BellSouth.net Inc.
34984 1422 2164 TELLCOM ILETISIM HIZMETLERI A
6983 1396 1748 EarthLink, Inc.
30036 1389 1568 Mediacom Communications Corp
10620 1146 3260 Telmex Colombia S.A.
6147 1124 1570 Telefonica del Peru S.A.A.
11492 1108 1191 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1467 2:684 4:18 5:1842 6:25 8:820
11:1 12:1823 13:14 14:1243 15:16 16:2
17:41 18:22 20:48 23:1239 24:1734 27:1967
31:1593 32:38 33:2 34:4 35:3 36:137
37:1939 38:1035 39:6 40:70 41:2689 42:295
43:1330 44:28 45:782 46:2292 47:44 49:899
50:803 52:12 54:77 55:5 56:6 57:39
58:1283 59:692 60:458 61:1720 62:1332 63:1876
64:4404 65:2259 66:4033 67:2065 68:1061 69:3212
70:1020 71:444 72:1961 74:2645 75:334 76:417
77:1265 78:1182 79:789 80:1345 81:1293 82:837
83:722 84:714 85:1367 86:431 87:1052 88:532
89:1855 90:152 91:5998 92:869 93:2240 94:2057
95:2163 96:423 97:348 98:1049 99:53 100:72
101:821 103:7670 104:1833 105:60 106:261 107:1001
108:611 109:2069 110:1112 111:1451 112:828 113:1089
114:823 115:1250 116:1346 117:1031 118:1771 119:1428
120:438 121:1066 122:2055 123:1818 124:1461 125:1547
128:607 129:375 130:390 131:1189 132:448 133:177
134:390 135:94 136:330 137:312 138:933 139:149
140:211 141:433 142:651 143:496 144:550 145:121
146:726 147:571 148:1208 149:415 150:558 151:647
152:519 153:248 154:462 155:868 156:429 157:420
158:351 159:901 160:393 161:657 162:1920 163:408
164:668 165:693 166:302 167:837 168:1320 169:180
170:1464 171:236 172:263 173:1529 174:718 175:688
176:1378 177:3804 178:2148 179:940 180:1906 181:1681
182:1747 183:625 184:761 185:3707 186:2731 187:1764
188:2022 189:1590 190:7804 191:1006 192:8439 193:5612
194:4159 195:3671 196:1971 197:963 198:5439 199:5448
200:6651 201:3257 202:8936 203:9033 204:4622 205:2798
206:2915 207:2877 208:3975 209:3867 210:3204 211:1782
212:2529 213:2307 214:840 215:73 216:5735 217:1792
218:669 219:326 220:1432 221:769 222:396 223:741
End of report