Routing Table Report 09:00 +10GMT Fri 20 Feb, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 520476
Prefixes after maximum aggregation (per Origin AS): 201663
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 259445
Total ASes present in the Internet Routing Table: 49246
Prefixes per ASN: 10.57
Origin-only ASes present in the Internet Routing Table: 36477
Origin ASes announcing only one prefix: 16269
Transit ASes present in the Internet Routing Table: 6074
Transit-only ASes present in the Internet Routing Table: 154
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: 1113
Unregistered ASNs in the Routing Table: 399
Number of 32-bit ASNs allocated by the RIRs: 8639
Number of 32-bit ASNs visible in the Routing Table: 6695
Prefixes from 32-bit ASNs in the Routing Table: 24253
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: 401
Number of addresses announced to Internet: 2728564544
Equivalent to 162 /8s, 162 /16s and 151 /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: 177323
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 123736
Total APNIC prefixes after maximum aggregation: 37015
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 129024
Unique aggregates announced from the APNIC address blocks: 55434
APNIC Region origin ASes present in the Internet Routing Table: 4969
APNIC Prefixes per ASN: 25.97
APNIC Region origin ASes announcing only one prefix: 1223
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: 1299
Number of APNIC addresses announced to Internet: 745200256
Equivalent to 44 /8s, 106 /16s and 218 /24s
Percentage of available APNIC address space announced: 87.1
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: 172370
Total ARIN prefixes after maximum aggregation: 86290
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 174674
Unique aggregates announced from the ARIN address blocks: 83411
ARIN Region origin ASes present in the Internet Routing Table: 16420
ARIN Prefixes per ASN: 10.64
ARIN Region origin ASes announcing only one prefix: 6074
ARIN Region transit ASes present in the Internet Routing Table: 1640
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: 349
Number of ARIN addresses announced to Internet: 1060001024
Equivalent to 63 /8s, 46 /16s and 85 /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: 129202
Total RIPE prefixes after maximum aggregation: 64423
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 135293
Unique aggregates announced from the RIPE address blocks: 83432
RIPE Region origin ASes present in the Internet Routing Table: 17846
RIPE Prefixes per ASN: 7.58
RIPE Region origin ASes announcing only one prefix: 8130
RIPE Region transit ASes present in the Internet Routing Table: 2908
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: 3448
Number of RIPE addresses announced to Internet: 693286336
Equivalent to 41 /8s, 82 /16s and 181 /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: 58322
Total LACNIC prefixes after maximum aggregation: 10914
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 67589
Unique aggregates announced from the LACNIC address blocks: 31761
LACNIC Region origin ASes present in the Internet Routing Table: 2399
LACNIC Prefixes per ASN: 28.17
LACNIC Region origin ASes announcing only one prefix: 639
LACNIC Region transit ASes present in the Internet Routing Table: 466
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: 1507
Number of LACNIC addresses announced to Internet: 167713280
Equivalent to 9 /8s, 255 /16s and 26 /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: 12530
Total AfriNIC prefixes after maximum aggregation: 2978
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 13495
Unique aggregates announced from the AfriNIC address blocks: 5046
AfriNIC Region origin ASes present in the Internet Routing Table: 734
AfriNIC Prefixes per ASN: 18.39
AfriNIC Region origin ASes announcing only one prefix: 203
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: 92
Number of AfriNIC addresses announced to Internet: 61896960
Equivalent to 3 /8s, 176 /16s and 121 /24s
Percentage of available AfriNIC address space announced: 61.5
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 2824 904 77 PT Telekomunikasi Indonesia
7545 2319 336 127 TPG Telecom Limited
4766 2170 11545 615 Korea Telecom
4755 1967 421 202 TATA Communications formerly
9829 1686 1325 36 National Internet Backbone
9808 1497 8639 18 Guangdong Mobile Communicatio
9583 1367 129 538 Sify Limited
9498 1298 336 97 BHARTI Airtel Ltd.
24560 1210 407 188 Bharti Airtel Ltd., Telemedia
17488 1157 208 258 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 1849 1828 447 Charter Communications
4323 1628 1068 406 tw telecom holdings, inc.
6983 1625 866 244 EarthLink, Inc.
30036 1541 318 495 Mediacom Communications Corp
701 1390 11268 675 MCI Communications Services,
22561 1329 412 241 CenturyTel Internet Holdings,
11492 1191 215 581 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 1965 300 352 TELLCOM ILETISIM HIZMETLERI A
20940 1606 630 1191 Akamai International B.V.
8402 1329 544 15 OJSC "Vimpelcom"
6849 1199 356 25 JSC "Ukrtelecom"
13188 1060 97 61 TOV "Bank-Inform"
31148 1045 45 21 Freenet Ltd.
8551 882 373 52 Bezeq International-Ltd
12479 861 793 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 3121 507 207 Telmex Colombia S.A.
28573 2306 2141 111 NET Serviços de Comunicação S
7303 1788 1190 229 Telecom Argentina S.A.
6147 1592 374 30 Telefonica del Peru S.A.A.
8151 1534 3109 448 Uninet S.A. de C.V.
6503 1194 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 920 2325 35 Tim Celular S.A.
18881 858 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 1512 958 13 TE-AS
24863 965 284 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 195 712 14 Telecom Algeria
37054 188 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 3121 507 207 Telmex Colombia S.A.
22773 2987 2955 142 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
17974 2824 904 77 PT Telekomunikasi Indonesia
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
7545 2319 336 127 TPG Telecom Limited
28573 2306 2141 111 NET Serviços de Comunicação S
4766 2170 11545 615 Korea Telecom
18566 2042 379 183 MegaPath Corporation
4755 1967 421 202 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 2824 2747 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
28573 2306 2195 NET Serviços de Comunicação S
7545 2319 2192 TPG Telecom Limited
18566 2042 1859 MegaPath Corporation
4755 1967 1765 TATA Communications formerly
9829 1686 1650 National Internet Backbone
34984 1965 1613 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<<
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
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 /15:1709 /16:12898 /17:6991 /18:11899
/19:24454 /20:35161 /21:37556 /22:56977 /23:48943 /24:281801
/25:54 /26:49 /27:20 /28:20 /29:16 /30:6
/31:0 /32:8
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 1384 1541 Mediacom Communications Corp
6983 1314 1625 EarthLink, Inc.
34984 1274 1965 TELLCOM ILETISIM HIZMETLERI A
6147 1135 1592 Telefonica del Peru S.A.A.
11492 1133 1191 CABLE ONE, INC.
10620 1107 3121 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1431 2:656 3:1 4:18 5:1724 6:21
8:783 12:1841 13:4 14:1134 15:16 16:2
17:41 18:21 20:49 23:1126 24:1681 27:1837
31:1480 32:39 33:2 34:5 35:3 36:119
37:1861 38:1004 39:9 40:230 41:3043 42:258
43:1050 44:25 45:199 46:2117 47:34 49:785
50:785 52:12 54:65 55:4 56:8 57:31
58:1154 59:655 60:459 61:1745 62:1293 63:1892
64:4397 65:2249 66:4078 67:2015 68:1037 69:3237
70:963 71:433 72:1955 74:2613 75:313 76:395
77:1471 78:1256 79:768 80:1322 81:1330 82:811
83:678 84:674 85:1335 86:385 87:1077 88:498
89:1739 90:148 91:5939 92:807 93:2181 94:1956
95:2078 96:425 97:340 98:1048 99:45 100:72
101:775 103:6681 104:1260 105:61 106:217 107:885
108:591 109:2007 110:1068 111:1468 112:755 113:1016
114:845 115:1231 116:1280 117:1002 118:1620 119:1406
120:421 121:1000 122:1979 123:1462 124:1435 125:1477
128:580 129:357 130:366 131:1090 132:417 133:167
134:389 135:88 136:310 137:299 138:478 139:169
140:204 141:408 142:614 143:462 144:520 145:110
146:673 147:547 148:1057 149:461 150:555 151:749
152:483 153:239 154:329 155:719 156:398 157:331
158:264 159:892 160:370 161:627 162:1876 163:360
164:644 165:664 166:319 167:703 168:1000 169:149
170:1439 171:215 172:42 173:1584 174:688 175:599
176:1431 177:3777 178:2081 179:866 180:1887 181:1569
182:1650 183:593 184:739 185:2931 186:2695 187:1792
188:2001 189:1554 190:7724 191:870 192:8008 193:5546
194:4021 195:3601 196:1672 197:935 198:5400 199:5475
200:6530 201:2983 202:8985 203:8909 204:4577 205:2681
206:2843 207:2910 208:3947 209:3834 210:3154 211:1744
212:2464 213:2253 214:840 215:70 216:5524 217:1795
218:629 219:332 220:1411 221:777 222:376 223:649
End of report