Routing Table Report 09:00 +10GMT Mon 23 Feb, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 521024
Prefixes after maximum aggregation (per Origin AS): 201775
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 259691
Total ASes present in the Internet Routing Table: 49291
Prefixes per ASN: 10.57
Origin-only ASes present in the Internet Routing Table: 36502
Origin ASes announcing only one prefix: 16253
Transit ASes present in the Internet Routing Table: 6074
Transit-only ASes present in the Internet Routing Table: 155
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: 1052
Unregistered ASNs in the Routing Table: 384
Number of 32-bit ASNs allocated by the RIRs: 8666
Number of 32-bit ASNs visible in the Routing Table: 6715
Prefixes from 32-bit ASNs in the Routing Table: 24322
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: 2729353280
Equivalent to 162 /8s, 174 /16s and 160 /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: 177416
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 123913
Total APNIC prefixes after maximum aggregation: 37030
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 129234
Unique aggregates announced from the APNIC address blocks: 55540
APNIC Region origin ASes present in the Internet Routing Table: 4979
APNIC Prefixes per ASN: 25.96
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 835
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: 1309
Number of APNIC addresses announced to Internet: 745831808
Equivalent to 44 /8s, 116 /16s and 125 /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: 172418
Total ARIN prefixes after maximum aggregation: 86319
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 174708
Unique aggregates announced from the ARIN address blocks: 83409
ARIN Region origin ASes present in the Internet Routing Table: 16424
ARIN Prefixes per ASN: 10.64
ARIN Region origin ASes announcing only one prefix: 6069
ARIN Region transit ASes present in the Internet Routing Table: 1636
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: 351
Number of ARIN addresses announced to Internet: 1060067072
Equivalent to 63 /8s, 47 /16s and 87 /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: 129317
Total RIPE prefixes after maximum aggregation: 64484
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 135453
Unique aggregates announced from the RIPE address blocks: 83521
RIPE Region origin ASes present in the Internet Routing Table: 17858
RIPE Prefixes per ASN: 7.59
RIPE Region origin ASes announcing only one prefix: 8123
RIPE Region transit ASes present in the Internet Routing Table: 2915
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: 693349312
Equivalent to 41 /8s, 83 /16s and 171 /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: 58391
Total LACNIC prefixes after maximum aggregation: 10919
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 67659
Unique aggregates announced from the LACNIC address blocks: 31794
LACNIC Region origin ASes present in the Internet Routing Table: 2398
LACNIC Prefixes per ASN: 28.21
LACNIC Region origin ASes announcing only one prefix: 635
LACNIC Region transit ASes present in the Internet Routing Table: 463
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: 1508
Number of LACNIC addresses announced to Internet: 167743744
Equivalent to 9 /8s, 255 /16s and 145 /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: 12600
Total AfriNIC prefixes after maximum aggregation: 2980
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 13574
Unique aggregates announced from the AfriNIC address blocks: 5071
AfriNIC Region origin ASes present in the Internet Routing Table: 733
AfriNIC Prefixes per ASN: 18.52
AfriNIC Region origin ASes announcing only one prefix: 200
AfriNIC Region transit ASes present in the Internet Routing Table: 154
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: 91
Number of AfriNIC addresses announced to Internet: 61904384
Equivalent to 3 /8s, 176 /16s and 150 /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 2827 904 77 PT Telekomunikasi Indonesia
7545 2319 336 127 TPG Telecom Limited
4766 2170 11545 615 Korea Telecom
4755 1971 421 203 TATA Communications formerly
9829 1686 1325 36 National Internet Backbone
9808 1497 8639 18 Guangdong Mobile Communicatio
9583 1366 129 537 Sify Limited
9498 1298 336 97 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 1628 1068 407 tw telecom holdings, inc.
6983 1624 866 244 EarthLink, Inc.
30036 1518 313 530 Mediacom Communications Corp
701 1390 11268 675 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 1624 640 1205 Akamai International B.V.
8402 1321 544 15 OJSC "Vimpelcom"
6849 1199 356 25 JSC "Ukrtelecom"
13188 1061 97 58 TOV "Bank-Inform"
31148 1045 45 21 Freenet Ltd.
8551 883 373 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 2330 2141 111 NET Serviços de Comunicação S
7303 1788 1190 229 Telecom Argentina S.A.
6147 1584 374 30 Telefonica del Peru S.A.A.
8151 1536 3113 447 Uninet S.A. de C.V.
6503 1193 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 1557 958 13 TE-AS
24863 963 284 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 2827 904 77 PT Telekomunikasi Indonesia
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2330 2141 111 NET Serviços de Comunicação S
7545 2319 336 127 TPG Telecom Limited
4766 2170 11545 615 Korea Telecom
18566 2042 379 183 MegaPath Corporation
4755 1971 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 2827 2750 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
28573 2330 2219 NET Serviços de Comunicação S
7545 2319 2192 TPG Telecom Limited
18566 2042 1859 MegaPath Corporation
4755 1971 1768 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 /16:12905 /17:6997 /18:11903
/19:24457 /20:35191 /21:37590 /22:57107 /23:49019 /24:282053
/25:54 /26:53 /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 1363 1518 Mediacom Communications Corp
6983 1313 1624 EarthLink, Inc.
34984 1274 1965 TELLCOM ILETISIM HIZMETLERI A
11492 1133 1192 CABLE ONE, INC.
6147 1127 1584 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)
----------------------------------------------
1:1434 2:661 3:1 4:18 5:1732 6:21
8:782 12:1843 13:4 14:1133 15:16 16:2
17:41 18:21 20:49 23:1130 24:1680 27:1838
31:1472 32:39 33:2 34:5 35:3 36:119
37:1869 38:1003 39:10 40:230 41:3060 42:258
43:1057 44:25 45:204 46:2119 47:34 49:790
50:775 52:12 54:66 55:4 56:8 57:32
58:1154 59:654 60:459 61:1747 62:1292 63:1888
64:4388 65:2250 66:4081 67:2014 68:1038 69:3248
70:964 71:433 72:1959 74:2616 75:313 76:395
77:1463 78:1256 79:768 80:1325 81:1333 82:813
83:681 84:675 85:1335 86:382 87:1081 88:511
89:1736 90:148 91:5920 92:808 93:2185 94:1962
95:2087 96:426 97:340 98:1051 99:45 100:72
101:768 103:6705 104:1266 105:61 106:217 107:879
108:591 109:2013 110:1065 111:1471 112:743 113:1019
114:843 115:1234 116:1292 117:1009 118:1624 119:1403
120:425 121:1003 122:1968 123:1464 124:1440 125:1478
128:576 129:355 130:366 131:1104 132:415 133:166
134:397 135:88 136:310 137:299 138:480 139:169
140:205 141:408 142:614 143:446 144:516 145:111
146:671 147:545 148:1056 149:457 150:555 151:749
152:486 153:239 154:311 155:712 156:398 157:331
158:264 159:890 160:369 161:626 162:1881 163:363
164:644 165:664 166:319 167:704 168:1000 169:155
170:1442 171:215 172:44 173:1579 174:687 175:602
176:1433 177:3739 178:2093 179:864 180:1897 181:1572
182:1654 183:595 184:738 185:2958 186:2664 187:1830
188:2007 189:1556 190:7731 191:881 192:8015 193:5552
194:4044 195:3616 196:1694 197:948 198:5395 199:5501
200:6536 201:2978 202:8998 203:8919 204:4583 205:2695
206:2846 207:2914 208:3948 209:3835 210:3155 211:1745
212:2424 213:2252 214:837 215:69 216:5513 217:1791
218:629 219:332 220:1412 221:777 222:376 223:650
End of report