Routing Table Report 09:00 +10GMT Sun 31 May, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 533303
Prefixes after maximum aggregation (per Origin AS): 205585
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 265937
Total ASes present in the Internet Routing Table: 50266
Prefixes per ASN: 10.61
Origin-only ASes present in the Internet Routing Table: 36675
Origin ASes announcing only one prefix: 16270
Transit ASes present in the Internet Routing Table: 6142
Transit-only ASes present in the Internet Routing Table: 151
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: 1011
Unregistered ASNs in the Routing Table: 387
Number of 32-bit ASNs allocated by the RIRs: 9661
Number of 32-bit ASNs visible in the Routing Table: 7449
Prefixes from 32-bit ASNs in the Routing Table: 27116
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: 350
Number of addresses announced to Internet: 2757630272
Equivalent to 164 /8s, 94 /16s and 25 /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: 179272
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 127641
Total APNIC prefixes after maximum aggregation: 37832
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 133933
Unique aggregates announced from the APNIC address blocks: 57110
APNIC Region origin ASes present in the Internet Routing Table: 5010
APNIC Prefixes per ASN: 26.73
APNIC Region origin ASes announcing only one prefix: 1211
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: 1451
Number of APNIC addresses announced to Internet: 747782400
Equivalent to 44 /8s, 146 /16s and 65 /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: 175416
Total ARIN prefixes after maximum aggregation: 87473
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 178302
Unique aggregates announced from the ARIN address blocks: 84721
ARIN Region origin ASes present in the Internet Routing Table: 16536
ARIN Prefixes per ASN: 10.78
ARIN Region origin ASes announcing only one prefix: 6097
ARIN Region transit ASes present in the Internet Routing Table: 1649
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: 460
Number of ARIN addresses announced to Internet: 1080823552
Equivalent to 64 /8s, 108 /16s and 15 /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: 131589
Total RIPE prefixes after maximum aggregation: 65862
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 137879
Unique aggregates announced from the RIPE address blocks: 85908
RIPE Region origin ASes present in the Internet Routing Table: 17928
RIPE Prefixes per ASN: 7.69
RIPE Region origin ASes announcing only one prefix: 8135
RIPE Region transit ASes present in the Internet Routing Table: 2942
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: 694679616
Equivalent to 41 /8s, 103 /16s and 248 /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: 59540
Total LACNIC prefixes after maximum aggregation: 11323
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 69602
Unique aggregates announced from the LACNIC address blocks: 32714
LACNIC Region origin ASes present in the Internet Routing Table: 2435
LACNIC Prefixes per ASN: 28.58
LACNIC Region origin ASes announcing only one prefix: 632
LACNIC Region transit ASes present in the Internet Routing Table: 480
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: 168305664
Equivalent to 10 /8s, 8 /16s and 36 /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: 11938
Total AfriNIC prefixes after maximum aggregation: 3052
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 13237
Unique aggregates announced from the AfriNIC address blocks: 5167
AfriNIC Region origin ASes present in the Internet Routing Table: 728
AfriNIC Prefixes per ASN: 18.18
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: 115
Number of AfriNIC addresses announced to Internet: 65730304
Equivalent to 3 /8s, 234 /16s and 247 /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 2690 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 1671 1332 62 National Internet Backbone
9808 1637 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 3047 2958 142 Cox Communications Inc.
6389 2781 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 1533 313 500 Mediacom Communications Corp
701 1370 11320 662 MCI Communications Services,
22561 1360 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 1918 752 1407 Akamai International B.V.
6849 1213 356 24 JSC "Ukrtelecom"
13188 1056 97 70 TOV "Bank-Inform"
8402 1054 544 15 OJSC "Vimpelcom"
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 2280 2181 117 NET Serviços de Comunicação S
7303 1667 1046 239 Telecom Argentina S.A.
8151 1661 3257 463 Uninet S.A. de C.V.
6147 1632 374 30 Telefonica del Peru S.A.A.
6503 1246 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 924 420 178 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 841 958 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 190 807 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 3237 530 203 Telmex Colombia S.A.
22773 3047 2958 142 Cox Communications Inc.
6389 2781 3688 51 BellSouth.net Inc.
17974 2690 904 81 PT Telekomunikasi Indonesia
39891 2473 132 7 SaudiNet, Saudi Telecom Compa
7545 2409 336 131 TPG Telecom Limited
28573 2280 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 3047 2905 Cox Communications Inc.
6389 2781 2730 BellSouth.net Inc.
17974 2690 2609 PT Telekomunikasi Indonesia
39891 2473 2466 SaudiNet, Saudi Telecom Compa
7545 2409 2278 TPG Telecom Limited
28573 2280 2163 NET Serviços de Comunicação S
18566 2047 1858 MegaPath Corporation
4755 2010 1794 TATA Communications formerly
34984 2028 1672 TELLCOM ILETISIM HIZMETLERI A
9808 1637 1619 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 /14:995 /15:1707 /16:12875 /17:7127 /18:12027
/19:25007 /20:35446 /21:37616 /22:58881 /23:50563 /24:289932
/25:72 /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 2255 3047 Cox Communications Inc.
18566 1999 2047 MegaPath Corporation
6389 1633 2781 BellSouth.net Inc.
6983 1396 1748 EarthLink, Inc.
30036 1368 1533 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 2:665 4:18 5:1797 6:23 8:814
11:1 12:1830 13:10 14:1224 15:17 16:2
17:41 18:22 20:48 23:1222 24:1708 27:1899
31:1592 32:38 33:2 34:4 35:3 36:111
37:1905 38:1025 39:6 40:244 41:2657 42:277
43:1274 44:25 45:648 46:2193 47:42 49:875
50:803 52:12 54:76 55:6 56:8 57:38
58:1243 59:688 60:477 61:1724 62:1314 63:1896
64:4390 65:2261 66:4059 67:2051 68:1057 69:3236
70:978 71:444 72:1974 74:2637 75:332 76:415
77:1376 78:1214 79:795 80:1330 81:1300 82:805
83:699 84:705 85:1400 86:388 87:1034 88:518
89:1816 90:152 91:5967 92:853 93:2208 94:2066
95:2170 96:428 97:354 98:1045 99:49 100:69
101:810 103:7391 104:1779 105:61 106:225 107:978
108:607 109:2034 110:1094 111:1484 112:803 113:1064
114:823 115:1263 116:1336 117:1048 118:1730 119:1407
120:426 121:1052 122:1993 123:1792 124:1457 125:1562
128:598 129:369 130:383 131:1179 132:425 133:178
134:398 135:107 136:329 137:305 138:770 139:146
140:211 141:435 142:651 143:501 144:571 145:116
146:713 147:576 148:1199 149:406 150:562 151:605
152:483 153:245 154:479 155:860 156:403 157:463
158:337 159:914 160:381 161:655 162:1909 163:403
164:653 165:688 166:300 167:834 168:1301 169:170
170:1461 171:238 172:68 173:1519 174:714 175:679
176:1298 177:3715 178:2135 179:915 180:1921 181:1681
182:1719 183:653 184:755 185:3538 186:2660 187:1743
188:2014 189:1580 190:7678 191:989 192:8286 193:5589
194:4136 195:3630 196:1465 197:959 198:5430 199:5490
200:6648 201:3100 202:8948 203:9055 204:4602 205:2779
206:2947 207:2867 208:3960 209:3892 210:3179 211:1766
212:2501 213:2309 214:856 215:73 216:5710 217:1807
218:651 219:326 220:1426 221:773 222:391 223:698
End of report