Routing Table Report 09:00 +10GMT Sat 21 Feb, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 521075
Prefixes after maximum aggregation (per Origin AS): 201740
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 259648
Total ASes present in the Internet Routing Table: 49291
Prefixes per ASN: 10.57
Origin-only ASes present in the Internet Routing Table: 36503
Origin ASes announcing only one prefix: 16266
Transit ASes present in the Internet Routing Table: 6072
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: 1093
Unregistered ASNs in the Routing Table: 396
Number of 32-bit ASNs allocated by the RIRs: 8646
Number of 32-bit ASNs visible in the Routing Table: 6716
Prefixes from 32-bit ASNs in the Routing Table: 24345
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: 400
Number of addresses announced to Internet: 2729446464
Equivalent to 162 /8s, 176 /16s and 12 /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: 177485
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 123917
Total APNIC prefixes after maximum aggregation: 37018
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 129256
Unique aggregates announced from the APNIC address blocks: 55534
APNIC Region origin ASes present in the Internet Routing Table: 4978
APNIC Prefixes per ASN: 25.97
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 834
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: 1308
Number of APNIC addresses announced to Internet: 745838464
Equivalent to 44 /8s, 116 /16s and 151 /24s
Percentage of available APNIC address space announced: 87.2
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: 172466
Total ARIN prefixes after maximum aggregation: 86325
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 174716
Unique aggregates announced from the ARIN address blocks: 83426
ARIN Region origin ASes present in the Internet Routing Table: 16427
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: 1635
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 350
Number of ARIN addresses announced to Internet: 1060075776
Equivalent to 63 /8s, 47 /16s and 121 /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: 129266
Total RIPE prefixes after maximum aggregation: 64467
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 135412
Unique aggregates announced from the RIPE address blocks: 83468
RIPE Region origin ASes present in the Internet Routing Table: 17851
RIPE Prefixes per ASN: 7.59
RIPE Region origin ASes announcing only one prefix: 8126
RIPE Region transit ASes present in the Internet Routing Table: 2914
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: 3456
Number of RIPE addresses announced to Internet: 693368256
Equivalent to 41 /8s, 83 /16s and 245 /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: 58421
Total LACNIC prefixes after maximum aggregation: 10910
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 67723
Unique aggregates announced from the LACNIC address blocks: 31792
LACNIC Region origin ASes present in the Internet Routing Table: 2398
LACNIC Prefixes per ASN: 28.24
LACNIC Region origin ASes announcing only one prefix: 637
LACNIC Region transit ASes present in the Internet Routing Table: 464
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: 1512
Number of LACNIC addresses announced to Internet: 167768064
Equivalent to 9 /8s, 255 /16s and 240 /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: 12597
Total AfriNIC prefixes after maximum aggregation: 2977
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 13568
Unique aggregates announced from the AfriNIC address blocks: 5068
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 18.43
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: 90
Number of AfriNIC addresses announced to Internet: 61896192
Equivalent to 3 /8s, 176 /16s and 118 /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 2826 904 77 PT Telekomunikasi Indonesia
7545 2319 336 127 TPG Telecom Limited
4766 2170 11545 615 Korea Telecom
4755 1969 421 203 TATA Communications formerly
9829 1660 1325 36 National Internet Backbone
9808 1497 8639 18 Guangdong Mobile Communicatio
9583 1366 129 537 Sify Limited
9498 1299 336 98 BHARTI Airtel Ltd.
24560 1211 407 188 Bharti Airtel Ltd., Telemedia
17488 1176 210 249 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 2986 2955 142 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
18566 2042 379 183 MegaPath Corporation
20115 1850 1829 444 Charter Communications
4323 1629 1068 407 tw telecom holdings, inc.
6983 1625 866 244 EarthLink, Inc.
30036 1534 314 500 Mediacom Communications Corp
701 1389 11268 674 MCI Communications Services,
22561 1330 412 241 CenturyTel Internet Holdings,
11492 1192 215 576 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 1611 632 1195 Akamai International B.V.
8402 1323 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 862 793 87 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 2301 2141 111 NET Serviços de Comunicação S
7303 1788 1190 229 Telecom Argentina S.A.
6147 1589 374 30 Telefonica del Peru S.A.A.
8151 1535 3111 448 Uninet S.A. de C.V.
6503 1193 437 59 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 1553 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 191 712 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 2986 2955 142 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
17974 2826 904 77 PT Telekomunikasi Indonesia
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
7545 2319 336 127 TPG Telecom Limited
28573 2301 2141 111 NET Serviços de Comunicação S
4766 2170 11545 615 Korea Telecom
18566 2042 379 183 MegaPath Corporation
4755 1969 421 203 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 2986 2844 Cox Communications Inc.
6389 2891 2840 BellSouth.net Inc.
17974 2826 2749 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2319 2192 TPG Telecom Limited
28573 2301 2190 NET Serviços de Comunicação S
18566 2042 1859 MegaPath Corporation
4755 1969 1766 TATA Communications formerly
9829 1660 1624 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 /16:12906 /17:7001 /18:11905
/19:24464 /20:35173 /21:37603 /22:57090 /23:49021 /24:282110
/25:56 /26:51 /27:20 /28:20 /29:16 /30:6
/31:0 /32:10
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2203 2986 Cox Communications Inc.
18566 1997 2042 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1379 1534 Mediacom Communications Corp
6983 1314 1625 EarthLink, Inc.
34984 1274 1965 TELLCOM ILETISIM HIZMETLERI A
11492 1133 1192 CABLE ONE, INC.
6147 1132 1589 Telefonica del Peru S.A.A.
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)
----------------------------------------------
1:1432 2:662 3:1 4:18 5:1720 6:21
8:783 12:1841 13:4 14:1134 15:16 16:2
17:41 18:21 20:49 23:1130 24:1681 27:1842
31:1480 32:39 33:2 34:5 35:3 36:119
37:1868 38:1005 39:9 40:230 41:3046 42:258
43:1057 44:25 45:199 46:2120 47:34 49:790
50:785 52:12 54:66 55:4 56:8 57:32
58:1154 59:653 60:459 61:1747 62:1290 63:1890
64:4396 65:2251 66:4080 67:2016 68:1038 69:3251
70:963 71:433 72:1956 74:2612 75:313 76:395
77:1471 78:1256 79:767 80:1326 81:1331 82:812
83:680 84:675 85:1334 86:386 87:1082 88:512
89:1740 90:148 91:5936 92:807 93:2182 94:1945
95:2087 96:425 97:340 98:1050 99:45 100:72
101:768 103:6723 104:1267 105:61 106:217 107:886
108:591 109:2012 110:1068 111:1471 112:763 113:1015
114:843 115:1233 116:1291 117:1005 118:1621 119:1406
120:421 121:1002 122:1975 123:1462 124:1439 125:1478
128:576 129:355 130:366 131:1093 132:418 133:166
134:393 135:88 136:310 137:297 138:476 139:169
140:205 141:408 142:614 143:451 144:517 145:111
146:673 147:544 148:1058 149:453 150:555 151:748
152:483 153:239 154:324 155:718 156:398 157:331
158:264 159:894 160:370 161:627 162:1878 163:364
164:644 165:664 166:319 167:701 168:1001 169:149
170:1443 171:215 172:45 173:1582 174:688 175:601
176:1415 177:3784 178:2082 179:864 180:1898 181:1569
182:1652 183:595 184:738 185:2942 186:2680 187:1849
188:2003 189:1559 190:7725 191:876 192:8010 193:5553
194:4040 195:3607 196:1696 197:947 198:5401 199:5500
200:6532 201:2992 202:8997 203:8910 204:4582 205:2685
206:2846 207:2914 208:3948 209:3826 210:3157 211:1744
212:2437 213:2256 214:839 215:70 216:5526 217:1792
218:622 219:332 220:1412 221:777 222:376 223:649
End of report