Routing Table Report 08:00 +10GMT Mon 01 Jun, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 535447
Prefixes after maximum aggregation (per Origin AS): 205747
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 266235
Total ASes present in the Internet Routing Table: 50286
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 36647
Origin ASes announcing only one prefix: 16285
Transit ASes present in the Internet Routing Table: 6179
Transit-only ASes present in the Internet Routing Table: 146
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 41
Max AS path prepend of ASN ( 59482) 24
Prefixes from unregistered ASNs in the Routing Table: 1167
Unregistered ASNs in the Routing Table: 423
Number of 32-bit ASNs allocated by the RIRs: 9672
Number of 32-bit ASNs visible in the Routing Table: 7460
Prefixes from 32-bit ASNs in the Routing Table: 27069
Number of bogon 32-bit ASNs visible in the Routing Table: 5
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 358
Number of addresses announced to Internet: 2781893376
Equivalent to 165 /8s, 208 /16s and 83 /24s
Percentage of available address space announced: 75.1
Percentage of allocated address space announced: 75.1
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: 180064
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 127393
Total APNIC prefixes after maximum aggregation: 37851
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 134416
Unique aggregates announced from the APNIC address blocks: 56944
APNIC Region origin ASes present in the Internet Routing Table: 4994
APNIC Prefixes per ASN: 26.92
APNIC Region origin ASes announcing only one prefix: 1205
APNIC Region transit ASes present in the Internet Routing Table: 833
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1451
Number of APNIC addresses announced to Internet: 748910336
Equivalent to 44 /8s, 163 /16s and 119 /24s
Percentage of available APNIC address space announced: 87.5
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: 175823
Total ARIN prefixes after maximum aggregation: 87499
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 178779
Unique aggregates announced from the ARIN address blocks: 84871
ARIN Region origin ASes present in the Internet Routing Table: 16552
ARIN Prefixes per ASN: 10.80
ARIN Region origin ASes announcing only one prefix: 6116
ARIN Region transit ASes present in the Internet Routing Table: 1686
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 459
Number of ARIN addresses announced to Internet: 1081480448
Equivalent to 64 /8s, 118 /16s and 21 /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: 132521
Total RIPE prefixes after maximum aggregation: 66011
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 138885
Unique aggregates announced from the RIPE address blocks: 86169
RIPE Region origin ASes present in the Internet Routing Table: 17944
RIPE Prefixes per ASN: 7.74
RIPE Region origin ASes announcing only one prefix: 8139
RIPE Region transit ASes present in the Internet Routing Table: 2942
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3737
Number of RIPE addresses announced to Internet: 694881536
Equivalent to 41 /8s, 107 /16s and 13 /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: 59465
Total LACNIC prefixes after maximum aggregation: 11303
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 69524
Unique aggregates announced from the LACNIC address blocks: 32756
LACNIC Region origin ASes present in the Internet Routing Table: 2435
LACNIC Prefixes per ASN: 28.55
LACNIC Region origin ASes announcing only one prefix: 631
LACNIC Region transit ASes present in the Internet Routing Table: 491
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1697
Number of LACNIC addresses announced to Internet: 168312576
Equivalent to 10 /8s, 8 /16s and 63 /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: 12190
Total AfriNIC prefixes after maximum aggregation: 3042
AfriNIC Deaggregation factor: 4.01
Prefixes being announced from the AfriNIC address blocks: 13484
Unique aggregates announced from the AfriNIC address blocks: 5169
AfriNIC Region origin ASes present in the Internet Routing Table: 728
AfriNIC Prefixes per ASN: 18.52
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 154
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 116
Number of AfriNIC addresses announced to Internet: 65718528
Equivalent to 3 /8s, 234 /16s and 201 /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 2687 904 81 PT Telekomunikasi Indonesia
7545 2408 336 130 TPG Telecom Limited
4766 2192 11549 618 Korea Telecom
4755 2012 423 218 TATA Communications formerly
9829 1659 1331 61 National Internet Backbone
9808 1531 8639 17 Guangdong Mobile Communicatio
9583 1450 120 589 Sify Limited
9498 1330 335 100 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/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3050 2959 142 Cox Communications Inc.
6389 2796 3688 51 BellSouth.net Inc.
18566 2047 379 189 MegaPath Corporation
20115 1881 1849 423 Charter Communications
6983 1747 866 244 EarthLink, Inc.
4323 1612 1038 411 tw telecom holdings, inc.
30036 1545 315 476 Mediacom Communications Corp
701 1389 11322 680 MCI Communications Services,
22561 1361 414 250 CenturyTel Internet Holdings,
7018 1205 19070 848 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/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 1941 769 1416 Akamai International B.V.
6849 1213 356 24 JSC "Ukrtelecom"
8402 1077 544 15 OJSC "Vimpelcom"
31148 1049 45 23 Freenet Ltd.
13188 1040 97 70 TOV "Bank-Inform"
12479 944 868 72 France Telecom Espana SA
6830 907 2693 467 Liberty Global Operations B.V
9198 853 346 30 JSC Kazakhtelecom
Complete listing at http://thyme.rand.apnic.net/london/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 2279 2181 117 NET Serviços de Comunicação S
7303 1667 1046 239 Telecom Argentina S.A.
8151 1657 3257 459 Uninet S.A. de C.V.
6147 1632 374 30 Telefonica del Peru S.A.A.
6503 1246 437 56 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 926 421 166 COLOMBIA TELECOMUNICACIONES S
18881 869 1036 22 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 897 280 26 Link Egypt (Link.NET)
8452 848 958 13 TE-AS
36903 504 254 98 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
37054 326 19 6 Data Telecom Service
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
36947 190 807 13 Telecom Algeria
Complete listing at http://thyme.rand.apnic.net/london/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 3050 2959 142 Cox Communications Inc.
6389 2796 3688 51 BellSouth.net Inc.
17974 2687 904 81 PT Telekomunikasi Indonesia
39891 2473 132 7 SaudiNet, Saudi Telecom Compa
7545 2408 336 130 TPG Telecom Limited
28573 2279 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/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3050 2908 Cox Communications Inc.
6389 2796 2745 BellSouth.net Inc.
17974 2687 2606 PT Telekomunikasi Indonesia
39891 2473 2466 SaudiNet, Saudi Telecom Compa
7545 2408 2278 TPG Telecom Limited
28573 2279 2162 NET Serviços de Comunicação S
18566 2047 1858 MegaPath Corporation
4755 2012 1794 TATA Communications formerly
34984 2028 1672 TELLCOM ILETISIM HIZMETLERI A
6147 1632 1602 Telefonica del Peru S.A.A.
Complete listing at http://thyme.rand.apnic.net/london/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 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
65333 PRIVATE 10.0.0.0/8 0 *
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Reserved
100.64.0.0/10 65333 Reserved
169.254.0.0/16 65333 Reserved
172.16.0.0/12 65333 Reserved
192.0.0.0/24 65333 Reserved
192.0.2.0/24 65333 Reserved
192.168.0.0/16 65333 Reserved
198.18.0.0/15 65333 Reserved
198.51.100.0/24 65333 Reserved
203.0.113.0/24 65333 Reserved
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
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/london/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 /8:18 /9:12 /10:34 /11:94 /12:265
/13:504 /14:1008 /15:1725 /16:12921 /17:7199 /18:12180
/19:25165 /20:35464 /21:37813 /22:59010 /23:50623 /24:290625
/25:9 /26:10 /27:11 /28:102 /29:231 /30:318
/31:0 /32:106
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2473 SaudiNet, Saudi Telecom Compa
22773 2257 3050 Cox Communications Inc.
18566 1999 2047 MegaPath Corporation
6389 1639 2796 BellSouth.net Inc.
6983 1395 1747 EarthLink, Inc.
30036 1379 1545 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 1110 1191 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1454 2:678 4:17 5:1830 6:25 8:774
11:1 12:1830 13:10 14:1225 15:17 16:2
17:41 18:22 20:48 23:1232 24:1708 27:1892
31:1597 32:35 33:2 34:4 35:3 36:112
37:1925 38:1026 39:6 40:251 41:2717 42:278
43:1269 44:25 45:638 46:2200 47:43 49:784
50:810 52:12 54:76 55:6 56:8 57:44
58:1243 59:687 60:477 61:1730 62:1335 63:1896
64:4404 65:2271 66:4080 67:2041 68:1061 69:3268
70:980 71:448 72:1979 74:2645 75:335 76:424
77:1391 78:1228 79:804 80:1339 81:1306 82:820
83:700 84:713 85:1403 86:392 87:1043 88:521
89:1835 90:152 91:5976 92:854 93:2221 94:2093
95:2185 96:430 97:354 98:1053 99:49 100:68
101:809 103:7351 104:1785 105:62 106:225 107:978
108:609 109:2057 110:1093 111:1482 112:795 113:1061
114:805 115:1261 116:1335 117:1045 118:1731 119:1412
120:417 121:1052 122:1993 123:1683 124:1462 125:1562
128:600 129:375 130:386 131:1186 132:482 133:178
134:399 135:107 136:329 137:307 138:779 139:149
140:206 141:439 142:650 143:502 144:572 145:116
146:713 147:582 148:1189 149:407 150:558 151:606
152:483 153:244 154:557 155:861 156:403 157:463
158:338 159:913 160:380 161:656 162:1923 163:403
164:653 165:688 166:308 167:831 168:1301 169:170
170:1440 171:238 172:68 173:1529 174:714 175:680
176:1302 177:3715 178:2153 179:916 180:1910 181:1682
182:1716 183:624 184:755 185:3574 186:2664 187:1773
188:2046 189:1595 190:7688 191:986 192:8307 193:5597
194:4143 195:3634 196:1478 197:1020 198:5448 199:5488
200:6652 201:3093 202:8998 203:9054 204:4606 205:2790
206:2949 207:2872 208:3956 209:3901 210:3180 211:1768
212:2531 213:2316 214:851 215:73 216:5712 217:1815
218:645 219:324 220:1425 221:774 222:391 223:698
End of report