Routing Table Report 09:00 +10GMT Wed 25 Feb, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 521312
Prefixes after maximum aggregation (per Origin AS): 201940
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 259785
Total ASes present in the Internet Routing Table: 49321
Prefixes per ASN: 10.57
Origin-only ASes present in the Internet Routing Table: 36514
Origin ASes announcing only one prefix: 16245
Transit ASes present in the Internet Routing Table: 6068
Transit-only ASes present in the Internet Routing Table: 156
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 103
Max AS path prepend of ASN ( 55644) 100
Prefixes from unregistered ASNs in the Routing Table: 1061
Unregistered ASNs in the Routing Table: 390
Number of 32-bit ASNs allocated by the RIRs: 8666
Number of 32-bit ASNs visible in the Routing Table: 6739
Prefixes from 32-bit ASNs in the Routing Table: 24380
Number of bogon 32-bit ASNs visible in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 396
Number of addresses announced to Internet: 2729277760
Equivalent to 162 /8s, 173 /16s and 121 /24s
Percentage of available address space announced: 73.7
Percentage of allocated address space announced: 73.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.2
Total number of prefixes smaller than registry allocations: 177434
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 124021
Total APNIC prefixes after maximum aggregation: 37074
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 129379
Unique aggregates announced from the APNIC address blocks: 55609
APNIC Region origin ASes present in the Internet Routing Table: 4981
APNIC Prefixes per ASN: 25.97
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 837
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 103
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1315
Number of APNIC addresses announced to Internet: 744724096
Equivalent to 44 /8s, 99 /16s and 150 /24s
Percentage of available APNIC address space announced: 87.0
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: 172542
Total ARIN prefixes after maximum aggregation: 86436
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 174840
Unique aggregates announced from the ARIN address blocks: 83476
ARIN Region origin ASes present in the Internet Routing Table: 16433
ARIN Prefixes per ASN: 10.64
ARIN Region origin ASes announcing only one prefix: 6062
ARIN Region transit ASes present in the Internet Routing Table: 1638
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 352
Number of ARIN addresses announced to Internet: 1060349440
Equivalent to 63 /8s, 51 /16s and 166 /24s
Percentage of available ARIN address space announced: 56.1
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, 393216-394239
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: 129276
Total RIPE prefixes after maximum aggregation: 64514
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 135398
Unique aggregates announced from the RIPE address blocks: 83546
RIPE Region origin ASes present in the Internet Routing Table: 17859
RIPE Prefixes per ASN: 7.58
RIPE Region origin ASes announcing only one prefix: 8128
RIPE Region transit ASes present in the Internet Routing Table: 2913
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3465
Number of RIPE addresses announced to Internet: 693269952
Equivalent to 41 /8s, 82 /16s and 117 /24s
Percentage of available RIPE address space announced: 100.8
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: 58452
Total LACNIC prefixes after maximum aggregation: 10909
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 67738
Unique aggregates announced from the LACNIC address blocks: 31746
LACNIC Region origin ASes present in the Internet Routing Table: 2395
LACNIC Prefixes per ASN: 28.28
LACNIC Region origin ASes announcing only one prefix: 629
LACNIC Region transit ASes present in the Internet Routing Table: 459
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1517
Number of LACNIC addresses announced to Internet: 167776000
Equivalent to 10 /8s, 0 /16s and 15 /24s
Percentage of available LACNIC address space announced: 100.0
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: 12578
Total AfriNIC prefixes after maximum aggregation: 2964
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 13561
Unique aggregates announced from the AfriNIC address blocks: 5052
AfriNIC Region origin ASes present in the Internet Routing Table: 729
AfriNIC Prefixes per ASN: 18.60
AfriNIC Region origin ASes announcing only one prefix: 201
AfriNIC Region transit ASes present in the Internet Routing Table: 155
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 90
Number of AfriNIC addresses announced to Internet: 62700288
Equivalent to 3 /8s, 188 /16s and 187 /24s
Percentage of available AfriNIC address space announced: 62.3
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 2819 904 77 PT Telekomunikasi Indonesia
7545 2307 336 127 TPG Telecom Limited
4766 2172 11546 616 Korea Telecom
4755 1979 422 208 TATA Communications formerly
9829 1686 1325 36 National Internet Backbone
9808 1497 8639 18 Guangdong Mobile Communicatio
9583 1369 129 537 Sify Limited
9498 1300 336 98 BHARTI Airtel Ltd.
24560 1194 407 188 Bharti Airtel Ltd., Telemedia
17488 1177 210 247 Hathway IP Over Cable Interne
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 2987 2955 142 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
18566 2042 379 183 MegaPath Corporation
20115 1851 1830 439 Charter Communications
4323 1627 1068 406 tw telecom holdings, inc.
6983 1625 866 244 EarthLink, Inc.
30036 1513 312 531 Mediacom Communications Corp
701 1389 11268 674 MCI Communications Services,
22561 1330 412 241 CenturyTel Internet Holdings,
11492 1188 221 566 CABLE ONE, 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 1967 301 353 TELLCOM ILETISIM HIZMETLERI A
20940 1605 628 1191 Akamai International B.V.
8402 1334 544 15 OJSC "Vimpelcom"
6849 1199 356 25 JSC "Ukrtelecom"
13188 1061 97 58 TOV "Bank-Inform"
31148 1045 45 21 Freenet Ltd.
8551 882 373 52 Bezeq International-Ltd
12479 861 792 86 France Telecom Espana SA
9198 850 349 25 JSC Kazakhtelecom
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 3123 507 206 Telmex Colombia S.A.
28573 2330 2141 111 NET Serviços de Comunicação S
7303 1788 1190 229 Telecom Argentina S.A.
6147 1576 374 30 Telefonica del Peru S.A.A.
8151 1535 3115 444 Uninet S.A. de C.V.
6503 1196 438 60 Axtel, S.A.B. de C.V.
7738 996 1882 42 Telemar Norte Leste S.A.
3816 926 396 153 COLOMBIA TELECOMUNICACIONES S
26615 922 2325 35 Tim Celular S.A.
18881 862 1036 22 Global Village Telecom
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
8452 1562 958 13 TE-AS
24863 964 284 26 Link Egypt (Link.NET)
36903 479 241 90 Office National des Postes et
36992 390 973 31 ETISALAT MISR
37492 319 155 71 Orange Tunisie
24835 299 144 9 Vodafone Data
3741 250 921 209 Internet Solutions
29571 234 21 12 Cote d'Ivoire Telecom
36947 193 712 14 Telecom Algeria
37054 177 19 6 Data Telecom Service
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 3123 507 206 Telmex Colombia S.A.
22773 2987 2955 142 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
17974 2819 904 77 PT Telekomunikasi Indonesia
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2330 2141 111 NET Serviços de Comunicação S
7545 2307 336 127 TPG Telecom Limited
4766 2172 11546 616 Korea Telecom
18566 2042 379 183 MegaPath Corporation
4755 1979 422 208 TATA Communications formerly
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 2987 2845 Cox Communications Inc.
6389 2891 2840 BellSouth.net Inc.
17974 2819 2742 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
28573 2330 2219 NET Serviços de Comunicação S
7545 2307 2180 TPG Telecom Limited
18566 2042 1859 MegaPath Corporation
4755 1979 1771 TATA Communications formerly
9829 1686 1650 National Internet Backbone
34984 1967 1614 TELLCOM ILETISIM HIZMETLERI A
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
23.92.160.0/24 14013 EPSON America (Factory Automa
23.92.161.0/24 14013 EPSON America (Factory Automa
23.226.112.0/20 62788 Bitfinite LLC
23.252.224.0/20 62502 >>UNKNOWN<<
23.252.224.0/21 62502 >>UNKNOWN<<
23.252.232.0/21 62502 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.16.88.0/23 57652 >>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 /8:16 /9:12 /10:33 /11:92 /12:264
/13:504 /14:993 /15:1707 /16:12900 /17:6995 /18:11901
/19:24459 /20:35199 /21:37566 /22:57115 /23:49023 /24:282353
/25:52 /26:53 /27:20 /28:20 /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 2204 2987 Cox Communications Inc.
18566 1997 2042 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1358 1513 Mediacom Communications Corp
6983 1314 1625 EarthLink, Inc.
34984 1276 1967 TELLCOM ILETISIM HIZMETLERI A
11492 1125 1188 CABLE ONE, INC.
6147 1120 1576 Telefonica del Peru S.A.A.
10620 1107 3123 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1438 2:661 3:1 4:18 5:1728 6:21
8:789 12:1842 13:4 14:1134 15:16 16:2
17:41 18:21 20:49 23:1121 24:1675 27:1840
31:1394 32:39 33:2 34:5 35:3 36:121
37:1859 38:1004 39:11 40:230 41:3027 42:258
43:1075 44:25 45:206 46:2124 47:34 49:793
50:777 52:12 54:66 55:3 56:8 57:32
58:1158 59:654 60:459 61:1747 62:1303 63:1891
64:4402 65:2254 66:4080 67:2015 68:1040 69:3255
70:959 71:433 72:1957 74:2609 75:313 76:393
77:1481 78:1257 79:768 80:1303 81:1332 82:814
83:681 84:673 85:1333 86:388 87:1086 88:513
89:1737 90:149 91:5912 92:808 93:2189 94:1969
95:2092 96:426 97:339 98:1051 99:45 100:72
101:769 103:6749 104:1284 105:58 106:217 107:880
108:586 109:2014 110:1068 111:1474 112:752 113:1018
114:843 115:1240 116:1294 117:1005 118:1626 119:1407
120:424 121:1007 122:1962 123:1467 124:1440 125:1473
128:577 129:355 130:364 131:1100 132:418 133:166
134:397 135:88 136:310 137:300 138:487 139:169
140:202 141:409 142:614 143:477 144:523 145:110
146:672 147:546 148:1058 149:455 150:556 151:750
152:515 153:239 154:332 155:718 156:398 157:331
158:264 159:881 160:369 161:628 162:1885 163:359
164:645 165:665 166:318 167:706 168:1001 169:155
170:1443 171:215 172:45 173:1578 174:685 175:601
176:1448 177:3769 178:2088 179:858 180:1898 181:1568
182:1666 183:598 184:743 185:2968 186:2681 187:1833
188:2022 189:1558 190:7713 191:878 192:8024 193:5549
194:4051 195:3607 196:1700 197:980 198:5398 199:5503
200:6528 201:2978 202:9000 203:8942 204:4584 205:2703
206:2850 207:2912 208:3946 209:3842 210:3154 211:1747
212:2444 213:2256 214:832 215:69 216:5514 217:1788
218:629 219:333 220:1410 221:777 222:377 223:652
End of report