Routing Table Report 09:00 +10GMT Mon 01 Jun, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 533292
Prefixes after maximum aggregation (per Origin AS): 205538
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 265950
Total ASes present in the Internet Routing Table: 50264
Prefixes per ASN: 10.61
Origin-only ASes present in the Internet Routing Table: 36670
Origin ASes announcing only one prefix: 16263
Transit ASes present in the Internet Routing Table: 6138
Transit-only ASes present in the Internet Routing Table: 149
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: 1010
Unregistered ASNs in the Routing Table: 386
Number of 32-bit ASNs allocated by the RIRs: 9672
Number of 32-bit ASNs visible in the Routing Table: 7456
Prefixes from 32-bit ASNs in the Routing Table: 27106
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: 348
Number of addresses announced to Internet: 2757818176
Equivalent to 164 /8s, 96 /16s and 247 /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: 179407
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 127449
Total APNIC prefixes after maximum aggregation: 37809
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 133725
Unique aggregates announced from the APNIC address blocks: 57059
APNIC Region origin ASes present in the Internet Routing Table: 5003
APNIC Prefixes per ASN: 26.73
APNIC Region origin ASes announcing only one prefix: 1205
APNIC Region transit ASes present in the Internet Routing Table: 843
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: 1454
Number of APNIC addresses announced to Internet: 747758080
Equivalent to 44 /8s, 145 /16s and 226 /24s
Percentage of available APNIC address space announced: 87.4
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: 175458
Total ARIN prefixes after maximum aggregation: 87450
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 178370
Unique aggregates announced from the ARIN address blocks: 84730
ARIN Region origin ASes present in the Internet Routing Table: 16539
ARIN Prefixes per ASN: 10.78
ARIN Region origin ASes announcing only one prefix: 6104
ARIN Region transit ASes present in the Internet Routing Table: 1648
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 459
Number of ARIN addresses announced to Internet: 1081031680
Equivalent to 64 /8s, 111 /16s and 60 /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: 131663
Total RIPE prefixes after maximum aggregation: 65876
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 137925
Unique aggregates announced from the RIPE address blocks: 85924
RIPE Region origin ASes present in the Internet Routing Table: 17925
RIPE Prefixes per ASN: 7.69
RIPE Region origin ASes announcing only one prefix: 8126
RIPE Region transit ASes present in the Internet Routing Table: 2940
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3730
Number of RIPE addresses announced to Internet: 694691136
Equivalent to 41 /8s, 104 /16s and 37 /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: 59622
Total LACNIC prefixes after maximum aggregation: 11317
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 69699
Unique aggregates announced from the LACNIC address blocks: 32763
LACNIC Region origin ASes present in the Internet Routing Table: 2436
LACNIC Prefixes per ASN: 28.61
LACNIC Region origin ASes announcing only one prefix: 633
LACNIC Region transit ASes present in the Internet Routing Table: 482
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: 1698
Number of LACNIC addresses announced to Internet: 168316160
Equivalent to 10 /8s, 8 /16s and 77 /24s
Percentage of available LACNIC address space announced: 100.3
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: 11931
Total AfriNIC prefixes after maximum aggregation: 3043
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 13225
Unique aggregates announced from the AfriNIC address blocks: 5159
AfriNIC Region origin ASes present in the Internet Routing Table: 727
AfriNIC Prefixes per ASN: 18.19
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 155
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: 115
Number of AfriNIC addresses announced to Internet: 65714688
Equivalent to 3 /8s, 234 /16s and 186 /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 2687 904 81 PT Telekomunikasi Indonesia
7545 2409 336 131 TPG Telecom Limited
4766 2192 11549 618 Korea Telecom
4755 2010 423 216 TATA Communications formerly
9829 1670 1331 61 National Internet Backbone
9808 1532 8639 18 Guangdong Mobile Communicatio
9583 1423 117 573 Sify Limited
9498 1331 335 101 BHARTI Airtel Ltd.
24560 1239 416 184 Bharti Airtel Ltd., Telemedia
17488 1212 213 268 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 3050 2958 142 Cox Communications Inc.
6389 2796 3688 51 BellSouth.net Inc.
18566 2047 379 189 MegaPath Corporation
20115 1881 1849 423 Charter Communications
6983 1748 866 244 EarthLink, Inc.
4323 1615 1054 411 tw telecom holdings, inc.
30036 1545 315 476 Mediacom Communications Corp
701 1370 11320 662 MCI Communications Services,
22561 1361 414 250 CenturyTel Internet Holdings,
7018 1208 19070 851 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 2473 132 7 SaudiNet, Saudi Telecom Compa
34984 2028 305 356 TELLCOM ILETISIM HIZMETLERI A
20940 1945 769 1422 Akamai International B.V.
6849 1213 356 24 JSC "Ukrtelecom"
8402 1075 544 15 OJSC "Vimpelcom"
13188 1056 97 70 TOV "Bank-Inform"
31148 1049 45 23 Freenet Ltd.
12479 944 868 72 France Telecom Espana SA
6830 907 2693 467 Liberty Global Operations B.V
9198 854 349 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 3237 530 203 Telmex Colombia S.A.
28573 2279 2181 117 NET Serviços de Comunicação S
7303 1667 1046 239 Telecom Argentina S.A.
8151 1658 3257 460 Uninet S.A. de C.V.
6147 1632 374 30 Telefonica del Peru S.A.A.
6503 1247 437 57 Axtel, S.A.B. de C.V.
26615 1073 2325 35 Tim Celular S.A.
7738 996 1882 41 Telemar Norte Leste S.A.
3816 925 421 174 COLOMBIA TELECOMUNICACIONES S
18881 869 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
24863 899 280 26 Link Egypt (Link.NET)
8452 847 958 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
36947 190 807 13 Telecom Algeria
37054 184 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 3237 530 203 Telmex Colombia S.A.
22773 3050 2958 142 Cox Communications Inc.
6389 2796 3688 51 BellSouth.net Inc.
17974 2687 904 81 PT Telekomunikasi Indonesia
39891 2473 132 7 SaudiNet, Saudi Telecom Compa
7545 2409 336 131 TPG Telecom Limited
28573 2279 2181 117 NET Serviços de Comunicação S
4766 2192 11549 618 Korea Telecom
18566 2047 379 189 MegaPath Corporation
34984 2028 305 356 TELLCOM ILETISIM HIZMETLERI A
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 3050 2908 Cox Communications Inc.
6389 2796 2745 BellSouth.net Inc.
17974 2687 2606 PT Telekomunikasi Indonesia
39891 2473 2466 SaudiNet, Saudi Telecom Compa
7545 2409 2278 TPG Telecom Limited
28573 2279 2162 NET Serviços de Comunicação S
18566 2047 1858 MegaPath Corporation
4755 2010 1794 TATA Communications formerly
34984 2028 1672 TELLCOM ILETISIM HIZMETLERI A
9829 1670 1609 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<<
41.73.10.0/24 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/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 /9:12 /10:33 /11:94 /12:263
/13:502 /14:995 /15:1707 /16:12880 /17:7129 /18:12032
/19:25009 /20:35444 /21:37619 /22:58820 /23:50537 /24:289991
/25:73 /26:57 /27:25 /28:18 /29:16 /30:6
/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 2258 3050 Cox Communications Inc.
18566 1999 2047 MegaPath Corporation
6389 1639 2796 BellSouth.net Inc.
6983 1396 1748 EarthLink, Inc.
30036 1379 1545 Mediacom Communications Corp
34984 1322 2028 TELLCOM ILETISIM HIZMETLERI A
6147 1183 1632 Telefonica del Peru S.A.A.
10620 1136 3237 Telmex Colombia S.A.
11492 1111 1192 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1458 2:673 4:18 5:1803 6:25 8:815
11:1 12:1830 13:10 14:1224 15:17 16:2
17:41 18:22 20:48 23:1222 24:1708 27:1893
31:1592 32:38 33:2 34:4 35:3 36:112
37:1906 38:1026 39:6 40:244 41:2659 42:278
43:1277 44:25 45:643 46:2195 47:42 49:874
50:807 52:12 54:76 55:6 56:8 57:38
58:1244 59:687 60:477 61:1723 62:1313 63:1897
64:4393 65:2263 66:4080 67:2052 68:1057 69:3236
70:978 71:444 72:1974 74:2637 75:332 76:415
77:1376 78:1226 79:796 80:1330 81:1300 82:809
83:699 84:706 85:1400 86:388 87:1034 88:518
89:1817 90:152 91:5969 92:854 93:2207 94:2066
95:2171 96:428 97:354 98:1047 99:49 100:70
101:809 103:7371 104:1780 105:61 106:225 107:978
108:607 109:2036 110:1094 111:1483 112:796 113:1062
114:823 115:1262 116:1335 117:1045 118:1731 119:1407
120:424 121:1052 122:1992 123:1783 124:1455 125:1562
128:599 129:369 130:384 131:1180 132:439 133:178
134:399 135:107 136:329 137:305 138:779 139:146
140:207 141:435 142:651 143:504 144:572 145:116
146:713 147:577 148:1187 149:406 150:562 151:605
152:483 153:244 154:466 155:863 156:403 157:463
158:338 159:909 160:381 161:655 162:1908 163:403
164:653 165:688 166:300 167:834 168:1301 169:168
170:1440 171:238 172:68 173:1523 174:714 175:679
176:1297 177:3723 178:2135 179:917 180:1912 181:1682
182:1718 183:623 184:757 185:3538 186:2664 187:1771
188:2016 189:1597 190:7690 191:986 192:8293 193:5588
194:4136 195:3627 196:1463 197:964 198:5430 199:5491
200:6653 201:3104 202:8923 203:9058 204:4604 205:2790
206:2947 207:2870 208:3963 209:3897 210:3180 211:1766
212:2503 213:2312 214:854 215:73 216:5710 217:1809
218:649 219:326 220:1425 221:774 222:391 223:697
End of report