Routing Table Report 09:00 +10GMT Fri 29 May, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 532938
Prefixes after maximum aggregation (per Origin AS): 205430
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 265769
Total ASes present in the Internet Routing Table: 50241
Prefixes per ASN: 10.61
Origin-only ASes present in the Internet Routing Table: 36676
Origin ASes announcing only one prefix: 16272
Transit ASes present in the Internet Routing Table: 6129
Transit-only ASes present in the Internet Routing Table: 150
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: 1019
Unregistered ASNs in the Routing Table: 388
Number of 32-bit ASNs allocated by the RIRs: 9633
Number of 32-bit ASNs visible in the Routing Table: 7436
Prefixes from 32-bit ASNs in the Routing Table: 27036
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: 352
Number of addresses announced to Internet: 2757420864
Equivalent to 164 /8s, 90 /16s and 231 /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: 179199
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 127593
Total APNIC prefixes after maximum aggregation: 37836
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 133841
Unique aggregates announced from the APNIC address blocks: 57087
APNIC Region origin ASes present in the Internet Routing Table: 5014
APNIC Prefixes per ASN: 26.69
APNIC Region origin ASes announcing only one prefix: 1219
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: 1452
Number of APNIC addresses announced to Internet: 747819008
Equivalent to 44 /8s, 146 /16s and 208 /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: 175398
Total ARIN prefixes after maximum aggregation: 87462
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 178281
Unique aggregates announced from the ARIN address blocks: 84720
ARIN Region origin ASes present in the Internet Routing Table: 16545
ARIN Prefixes per ASN: 10.78
ARIN Region origin ASes announcing only one prefix: 6108
ARIN Region transit ASes present in the Internet Routing Table: 1646
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 454
Number of ARIN addresses announced to Internet: 1080868096
Equivalent to 64 /8s, 108 /16s and 189 /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: 131476
Total RIPE prefixes after maximum aggregation: 65801
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 137652
Unique aggregates announced from the RIPE address blocks: 85742
RIPE Region origin ASes present in the Internet Routing Table: 17908
RIPE Prefixes per ASN: 7.69
RIPE Region origin ASes announcing only one prefix: 8123
RIPE Region transit ASes present in the Internet Routing Table: 2933
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3725
Number of RIPE addresses announced to Internet: 694676288
Equivalent to 41 /8s, 103 /16s and 235 /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: 59437
Total LACNIC prefixes after maximum aggregation: 11223
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 69577
Unique aggregates announced from the LACNIC address blocks: 32666
LACNIC Region origin ASes present in the Internet Routing Table: 2432
LACNIC Prefixes per ASN: 28.61
LACNIC Region origin ASes announcing only one prefix: 627
LACNIC Region transit ASes present in the Internet Routing Table: 479
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: 1693
Number of LACNIC addresses announced to Internet: 168034816
Equivalent to 10 /8s, 4 /16s and 2 /24s
Percentage of available LACNIC address space announced: 100.2
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: 11934
Total AfriNIC prefixes after maximum aggregation: 3064
AfriNIC Deaggregation factor: 3.89
Prefixes being announced from the AfriNIC address blocks: 13235
Unique aggregates announced from the AfriNIC address blocks: 5235
AfriNIC Region origin ASes present in the Internet Routing Table: 726
AfriNIC Prefixes per ASN: 18.23
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 156
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: 112
Number of AfriNIC addresses announced to Internet: 65718272
Equivalent to 3 /8s, 234 /16s and 200 /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 2688 904 81 PT Telekomunikasi Indonesia
7545 2408 336 131 TPG Telecom Limited
4766 2191 11549 617 Korea Telecom
4755 2007 423 216 TATA Communications formerly
9829 1674 1332 62 National Internet Backbone
9808 1635 8639 18 Guangdong Mobile Communicatio
9583 1422 116 572 Sify Limited
9498 1330 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 3045 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 1544 315 475 Mediacom Communications Corp
701 1371 11321 663 MCI Communications Services,
22561 1360 413 249 CenturyTel Internet Holdings,
7018 1204 19070 848 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 1917 754 1408 Akamai International B.V.
8402 1087 544 15 OJSC "Vimpelcom"
13188 1056 97 70 TOV "Bank-Inform"
6849 1053 356 24 JSC "Ukrtelecom"
31148 1049 45 23 Freenet Ltd.
12479 939 868 71 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 3231 529 203 Telmex Colombia S.A.
28573 2273 2181 117 NET Serviços de Comunicação S
7303 1667 1046 239 Telecom Argentina S.A.
8151 1660 3255 465 Uninet S.A. de C.V.
6147 1632 374 30 Telefonica del Peru S.A.A.
6503 1253 437 57 Axtel, S.A.B. de C.V.
26615 1074 2325 35 Tim Celular S.A.
7738 996 1882 41 Telemar Norte Leste S.A.
3816 930 423 161 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 895 280 37 Link Egypt (Link.NET)
8452 836 958 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
37054 199 19 6 Data Telecom Service
36947 194 807 13 Telecom Algeria
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 3231 529 203 Telmex Colombia S.A.
22773 3045 2958 142 Cox Communications Inc.
6389 2796 3688 51 BellSouth.net Inc.
17974 2688 904 81 PT Telekomunikasi Indonesia
39891 2473 132 7 SaudiNet, Saudi Telecom Compa
7545 2408 336 131 TPG Telecom Limited
28573 2273 2181 117 NET Serviços de Comunicação S
4766 2191 11549 617 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 3045 2903 Cox Communications Inc.
6389 2796 2745 BellSouth.net Inc.
17974 2688 2607 PT Telekomunikasi Indonesia
39891 2473 2466 SaudiNet, Saudi Telecom Compa
7545 2408 2277 TPG Telecom Limited
28573 2273 2156 NET Serviços de Comunicação S
18566 2047 1858 MegaPath Corporation
4755 2007 1791 TATA Communications formerly
34984 2028 1672 TELLCOM ILETISIM HIZMETLERI A
9808 1635 1617 Guangdong Mobile Communicatio
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 /14:994 /15:1707 /16:12879 /17:7127 /18:12046
/19:25010 /20:35454 /21:37601 /22:58777 /23:50461 /24:289754
/25:73 /26:56 /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 2253 3045 Cox Communications Inc.
18566 1999 2047 MegaPath Corporation
6389 1639 2796 BellSouth.net Inc.
6983 1396 1748 EarthLink, Inc.
30036 1379 1544 Mediacom Communications Corp
34984 1322 2028 TELLCOM ILETISIM HIZMETLERI A
6147 1183 1632 Telefonica del Peru S.A.A.
10620 1135 3231 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)
----------------------------------------------
1:1460 2:673 4:18 5:1793 6:25 8:810
11:1 12:1830 13:10 14:1224 15:17 16:2
17:41 18:22 20:48 23:1219 24:1707 27:1887
31:1591 32:38 33:2 34:4 35:3 36:111
37:1907 38:1026 39:6 40:245 41:2644 42:284
43:1257 44:25 45:647 46:2196 47:42 49:870
50:805 52:12 54:73 55:5 56:8 57:37
58:1244 59:686 60:478 61:1725 62:1316 63:1895
64:4392 65:2264 66:4080 67:2051 68:1056 69:3231
70:979 71:444 72:1971 74:2638 75:332 76:415
77:1383 78:1240 79:793 80:1313 81:1299 82:809
83:699 84:707 85:1405 86:387 87:1032 88:520
89:1803 90:151 91:5959 92:847 93:2191 94:2058
95:2169 96:428 97:354 98:1045 99:49 100:69
101:801 103:7369 104:1770 105:63 106:225 107:977
108:606 109:2027 110:1096 111:1482 112:803 113:1065
114:822 115:1261 116:1337 117:1046 118:1746 119:1407
120:426 121:1052 122:1993 123:1790 124:1456 125:1564
128:600 129:369 130:383 131:1173 132:437 133:178
134:399 135:107 136:329 137:306 138:771 139:146
140:211 141:434 142:650 143:506 144:569 145:116
146:694 147:571 148:1084 149:407 150:561 151:605
152:483 153:243 154:486 155:867 156:403 157:463
158:334 159:912 160:381 161:654 162:1910 163:407
164:652 165:686 166:288 167:835 168:1290 169:169
170:1462 171:238 172:69 173:1539 174:712 175:681
176:1295 177:3715 178:2131 179:977 180:1917 181:1682
182:1719 183:620 184:755 185:3527 186:2656 187:1734
188:2009 189:1580 190:7694 191:1004 192:8287 193:5588
194:4138 195:3617 196:1470 197:960 198:5429 199:5491
200:6641 201:3112 202:8940 203:9059 204:4604 205:2790
206:2944 207:2870 208:3956 209:3894 210:3183 211:1767
212:2500 213:2306 214:854 215:73 216:5714 217:1808
218:650 219:326 220:1424 221:772 222:389 223:697
End of report