Routing Table Report 08:00 +10GMT Sun 31 May, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 535723
Prefixes after maximum aggregation (per Origin AS): 205809
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 266264
Total ASes present in the Internet Routing Table: 50296
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 36657
Origin ASes announcing only one prefix: 16293
Transit ASes present in the Internet Routing Table: 6187
Transit-only ASes present in the Internet Routing Table: 148
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: 1138
Unregistered ASNs in the Routing Table: 420
Number of 32-bit ASNs allocated by the RIRs: 9661
Number of 32-bit ASNs visible in the Routing Table: 7452
Prefixes from 32-bit ASNs in the Routing Table: 27086
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: 362
Number of addresses announced to Internet: 2781775104
Equivalent to 165 /8s, 206 /16s and 133 /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: 179900
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 127868
Total APNIC prefixes after maximum aggregation: 37857
APNIC Deaggregation factor: 3.38
Prefixes being announced from the APNIC address blocks: 134956
Unique aggregates announced from the APNIC address blocks: 57092
APNIC Region origin ASes present in the Internet Routing Table: 5007
APNIC Prefixes per ASN: 26.95
APNIC Region origin ASes announcing only one prefix: 1212
APNIC Region transit ASes present in the Internet Routing Table: 836
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1449
Number of APNIC addresses announced to Internet: 748968704
Equivalent to 44 /8s, 164 /16s and 91 /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: 175792
Total ARIN prefixes after maximum aggregation: 87494
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 178709
Unique aggregates announced from the ARIN address blocks: 84841
ARIN Region origin ASes present in the Internet Routing Table: 16549
ARIN Prefixes per ASN: 10.80
ARIN Region origin ASes announcing only one prefix: 6107
ARIN Region transit ASes present in the Internet Routing Table: 1688
Average ARIN Region AS path length visible: 3.4
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: 1081325312
Equivalent to 64 /8s, 115 /16s and 183 /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: 132442
Total RIPE prefixes after maximum aggregation: 66012
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 138810
Unique aggregates announced from the RIPE address blocks: 86157
RIPE Region origin ASes present in the Internet Routing Table: 17951
RIPE Prefixes per ASN: 7.73
RIPE Region origin ASes announcing only one prefix: 8147
RIPE Region transit ASes present in the Internet Routing Table: 2947
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: 3736
Number of RIPE addresses announced to Internet: 694887424
Equivalent to 41 /8s, 107 /16s and 36 /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: 59341
Total LACNIC prefixes after maximum aggregation: 11354
LACNIC Deaggregation factor: 5.23
Prefixes being announced from the LACNIC address blocks: 69399
Unique aggregates announced from the LACNIC address blocks: 32680
LACNIC Region origin ASes present in the Internet Routing Table: 2434
LACNIC Prefixes per ASN: 28.51
LACNIC Region origin ASes announcing only one prefix: 632
LACNIC Region transit ASes present in the Internet Routing Table: 489
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: 1693
Number of LACNIC addresses announced to Internet: 168269056
Equivalent to 10 /8s, 7 /16s and 149 /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: 12188
Total AfriNIC prefixes after maximum aggregation: 3051
AfriNIC Deaggregation factor: 3.99
Prefixes being announced from the AfriNIC address blocks: 13486
Unique aggregates announced from the AfriNIC address blocks: 5164
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: 195
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: 115
Number of AfriNIC addresses announced to Internet: 65731584
Equivalent to 3 /8s, 234 /16s and 252 /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 2012 423 218 TATA Communications formerly
9829 1671 1332 62 National Internet Backbone
9808 1636 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 3047 2959 142 Cox Communications Inc.
6389 2782 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 1533 313 500 Mediacom Communications Corp
701 1389 11322 680 MCI Communications Services,
22561 1358 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 1914 753 1401 Akamai International B.V.
6849 1213 356 24 JSC "Ukrtelecom"
8402 1054 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 2280 2181 117 NET Serviços de Comunicação S
7303 1667 1046 239 Telecom Argentina S.A.
8151 1660 3257 462 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 918 417 175 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 893 280 37 Link Egypt (Link.NET)
8452 843 958 13 TE-AS
36903 504 254 98 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
37054 341 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 3047 2959 142 Cox Communications Inc.
6389 2782 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/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3047 2905 Cox Communications Inc.
6389 2782 2731 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 2012 1794 TATA Communications formerly
34984 2028 1672 TELLCOM ILETISIM HIZMETLERI A
9808 1636 1619 Guangdong Mobile Communicatio
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 /16:12917 /17:7197 /18:12185
/19:25161 /20:35467 /21:37802 /22:59076 /23:50672 /24:290774
/25:9 /26:10 /27:12 /28:104 /29:239 /30:328
/31:0 /32:110
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2473 SaudiNet, Saudi Telecom Compa
22773 2254 3047 Cox Communications Inc.
18566 1999 2047 MegaPath Corporation
6389 1634 2782 BellSouth.net Inc.
6983 1395 1747 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/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1446 2:668 4:17 5:1825 6:23 8:773
11:1 12:1830 13:10 14:1222 15:17 16:2
17:41 18:22 20:48 23:1232 24:1708 27:1899
31:1598 32:35 33:2 34:4 35:3 36:111
37:1923 38:1025 39:6 40:251 41:2709 42:277
43:1274 44:25 45:648 46:2198 47:43 49:875
50:807 52:12 54:76 55:5 56:8 57:44
58:1242 59:688 60:477 61:1717 62:1336 63:1895
64:4402 65:2269 66:4062 67:2039 68:1060 69:3267
70:980 71:448 72:1979 74:2645 75:335 76:425
77:1383 78:1216 79:803 80:1339 81:1305 82:819
83:700 84:712 85:1402 86:392 87:1041 88:521
89:1833 90:152 91:5974 92:853 93:2221 94:2094
95:2167 96:430 97:354 98:1051 99:49 100:67
101:810 103:7396 104:1784 105:62 106:225 107:978
108:609 109:2053 110:1094 111:1483 112:802 113:1061
114:823 115:1261 116:1336 117:1048 118:1729 119:1412
120:426 121:1052 122:1994 123:1796 124:1464 125:1562
128:599 129:375 130:386 131:1182 132:469 133:178
134:398 135:107 136:329 137:307 138:770 139:149
140:208 141:439 142:650 143:498 144:571 145:116
146:713 147:580 148:1197 149:407 150:562 151:606
152:483 153:244 154:569 155:851 156:400 157:463
158:336 159:918 160:381 161:656 162:1924 163:403
164:652 165:688 166:308 167:830 168:1301 169:170
170:1460 171:238 172:68 173:1525 174:715 175:681
176:1304 177:3717 178:2153 179:915 180:1919 181:1682
182:1717 183:652 184:753 185:3567 186:2661 187:1743
188:2045 189:1580 190:7676 191:989 192:8301 193:5597
194:4145 195:3636 196:1477 197:1015 198:5448 199:5487
200:6647 201:3076 202:9029 203:9053 204:4602 205:2780
206:2963 207:2880 208:3953 209:3909 210:3181 211:1768
212:2528 213:2313 214:835 215:73 216:5715 217:1814
218:655 219:326 220:1426 221:773 222:391 223:698
End of report