Routing Table Report 09:00 +10GMT Fri 27 Feb, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 521581
Prefixes after maximum aggregation (per Origin AS): 202102
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 259909
Total ASes present in the Internet Routing Table: 49348
Prefixes per ASN: 10.57
Origin-only ASes present in the Internet Routing Table: 36525
Origin ASes announcing only one prefix: 16252
Transit ASes present in the Internet Routing Table: 6066
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: 1070
Unregistered ASNs in the Routing Table: 391
Number of 32-bit ASNs allocated by the RIRs: 8680
Number of 32-bit ASNs visible in the Routing Table: 6757
Prefixes from 32-bit ASNs in the Routing Table: 24390
Number of bogon 32-bit ASNs visible in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 369
Number of addresses announced to Internet: 2730093120
Equivalent to 162 /8s, 185 /16s and 234 /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: 177512
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 124131
Total APNIC prefixes after maximum aggregation: 37060
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 129513
Unique aggregates announced from the APNIC address blocks: 55598
APNIC Region origin ASes present in the Internet Routing Table: 4984
APNIC Prefixes per ASN: 25.99
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: 1317
Number of APNIC addresses announced to Internet: 744636800
Equivalent to 44 /8s, 98 /16s and 65 /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: 172772
Total ARIN prefixes after maximum aggregation: 86597
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 174915
Unique aggregates announced from the ARIN address blocks: 83593
ARIN Region origin ASes present in the Internet Routing Table: 16435
ARIN Prefixes per ASN: 10.64
ARIN Region origin ASes announcing only one prefix: 6073
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: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 354
Number of ARIN addresses announced to Internet: 1060405760
Equivalent to 63 /8s, 52 /16s and 130 /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: 129445
Total RIPE prefixes after maximum aggregation: 64513
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 135606
Unique aggregates announced from the RIPE address blocks: 83629
RIPE Region origin ASes present in the Internet Routing Table: 17854
RIPE Prefixes per ASN: 7.60
RIPE Region origin ASes announcing only one prefix: 8122
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: 3474
Number of RIPE addresses announced to Internet: 693425344
Equivalent to 41 /8s, 84 /16s and 212 /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: 58389
Total LACNIC prefixes after maximum aggregation: 10909
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 67750
Unique aggregates announced from the LACNIC address blocks: 31696
LACNIC Region origin ASes present in the Internet Routing Table: 2399
LACNIC Prefixes per ASN: 28.24
LACNIC Region origin ASes announcing only one prefix: 630
LACNIC Region transit ASes present in the Internet Routing Table: 457
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: 1521
Number of LACNIC addresses announced to Internet: 167748352
Equivalent to 9 /8s, 255 /16s and 163 /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: 12391
Total AfriNIC prefixes after maximum aggregation: 2980
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 13428
Unique aggregates announced from the AfriNIC address blocks: 5064
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 18.24
AfriNIC Region origin ASes announcing only one prefix: 202
AfriNIC Region transit ASes present in the Internet Routing Table: 153
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: 63431680
Equivalent to 3 /8s, 199 /16s and 228 /24s
Percentage of available AfriNIC address space announced: 63.0
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 2320 336 127 TPG Telecom Limited
4766 2188 11546 616 Korea Telecom
4755 1968 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 1301 336 98 BHARTI Airtel Ltd.
24560 1194 407 188 Bharti Airtel Ltd., Telemedia
17488 1178 210 255 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 2988 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 1626 1068 406 tw telecom holdings, inc.
6983 1624 866 244 EarthLink, Inc.
30036 1518 313 520 Mediacom Communications Corp
701 1392 11268 677 MCI Communications Services,
22561 1328 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 300 356 TELLCOM ILETISIM HIZMETLERI A
20940 1605 625 1191 Akamai International B.V.
8402 1331 544 15 OJSC "Vimpelcom"
6849 1199 356 25 JSC "Ukrtelecom"
13188 1061 97 58 TOV "Bank-Inform"
31148 1045 45 21 Freenet Ltd.
8551 874 373 52 Bezeq International-Ltd
12479 862 792 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 2296 2142 112 NET Serviços de Comunicação S
7303 1790 1190 230 Telecom Argentina S.A.
6147 1574 374 30 Telefonica del Peru S.A.A.
8151 1536 3117 444 Uninet S.A. de C.V.
6503 1178 438 60 Axtel, S.A.B. de C.V.
7738 996 1882 42 Telemar Norte Leste S.A.
3816 928 400 154 COLOMBIA TELECOMUNICACIONES S
26615 922 2325 35 Tim Celular S.A.
18881 863 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 1402 958 13 TE-AS
24863 963 284 26 Link Egypt (Link.NET)
36903 479 241 90 Office National des Postes et
36992 402 1101 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
15706 174 32 6 Sudatel (Sudan Telecom Co. Lt
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 2988 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
7545 2320 336 127 TPG Telecom Limited
28573 2296 2142 112 NET Serviços de Comunicação S
4766 2188 11546 616 Korea Telecom
18566 2042 379 183 MegaPath Corporation
4755 1968 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 2988 2846 Cox Communications Inc.
6389 2891 2840 BellSouth.net Inc.
17974 2819 2742 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2320 2193 TPG Telecom Limited
28573 2296 2184 NET Serviços de Comunicação S
18566 2042 1859 MegaPath Corporation
4755 1968 1760 TATA Communications formerly
9829 1686 1650 National Internet Backbone
34984 1967 1611 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 /14:990 /15:1710 /16:12898 /17:7006 /18:11894
/19:24458 /20:35184 /21:37610 /22:57078 /23:49078 /24:282573
/25:52 /26:53 /27:20 /28:21 /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 2205 2988 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 1278 1967 TELLCOM ILETISIM HIZMETLERI A
11492 1125 1188 CABLE ONE, INC.
6147 1118 1574 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)
----------------------------------------------
1:1451 2:662 3:1 4:18 5:1726 6:21
8:790 12:1842 13:4 14:1141 15:16 16:2
17:41 18:21 20:49 23:1121 24:1676 27:1848
31:1471 32:39 33:2 34:5 35:3 36:119
37:1857 38:1001 39:10 40:230 41:2904 42:261
43:1092 44:25 45:223 46:2144 47:34 49:832
50:782 52:12 54:66 55:5 56:8 57:33
58:1161 59:654 60:461 61:1747 62:1284 63:1890
64:4413 65:2253 66:4086 67:2011 68:1042 69:3244
70:958 71:433 72:1954 74:2595 75:317 76:393
77:1486 78:1264 79:765 80:1314 81:1324 82:818
83:677 84:673 85:1335 86:388 87:1089 88:512
89:1742 90:149 91:5913 92:809 93:2179 94:2003
95:2118 96:425 97:339 98:1050 99:45 100:72
101:766 103:6754 104:1294 105:61 106:217 107:881
108:589 109:2000 110:1068 111:1476 112:734 113:1019
114:855 115:1239 116:1290 117:1007 118:1625 119:1407
120:424 121:999 122:1983 123:1469 124:1442 125:1475
128:577 129:355 130:365 131:1102 132:416 133:167
134:399 135:88 136:333 137:300 138:496 139:170
140:202 141:404 142:616 143:456 144:529 145:110
146:673 147:548 148:1056 149:456 150:555 151:753
152:515 153:239 154:385 155:717 156:397 157:331
158:263 159:892 160:370 161:627 162:1886 163:361
164:645 165:663 166:318 167:704 168:1000 169:156
170:1457 171:215 172:48 173:1580 174:687 175:603
176:1444 177:3729 178:2072 179:864 180:1900 181:1611
182:1655 183:600 184:737 185:3004 186:2688 187:1821
188:2023 189:1561 190:7707 191:914 192:8027 193:5554
194:4052 195:3614 196:1630 197:974 198:5386 199:5501
200:6523 201:2999 202:8990 203:8940 204:4581 205:2704
206:2851 207:2912 208:3943 209:3841 210:3152 211:1759
212:2447 213:2244 214:836 215:69 216:5518 217:1790
218:629 219:333 220:1409 221:777 222:375 223:651
End of report