Routing Table Report 08:00 +10GMT Sat 30 May, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 535562
Prefixes after maximum aggregation (per Origin AS): 205736
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 266187
Total ASes present in the Internet Routing Table: 50296
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 36664
Origin ASes announcing only one prefix: 16294
Transit ASes present in the Internet Routing Table: 6177
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 40
Max AS path prepend of ASN ( 12486) 32
Prefixes from unregistered ASNs in the Routing Table: 1133
Unregistered ASNs in the Routing Table: 420
Number of 32-bit ASNs allocated by the RIRs: 9645
Number of 32-bit ASNs visible in the Routing Table: 7455
Prefixes from 32-bit ASNs in the Routing Table: 27096
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: 366
Number of addresses announced to Internet: 2781509376
Equivalent to 165 /8s, 202 /16s and 119 /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: 179904
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 127755
Total APNIC prefixes after maximum aggregation: 37873
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 134848
Unique aggregates announced from the APNIC address blocks: 57130
APNIC Region origin ASes present in the Internet Routing Table: 5009
APNIC Prefixes per ASN: 26.92
APNIC Region origin ASes announcing only one prefix: 1216
APNIC Region transit ASes present in the Internet Routing Table: 839
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: 1452
Number of APNIC addresses announced to Internet: 748696320
Equivalent to 44 /8s, 160 /16s and 51 /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: 175805
Total ARIN prefixes after maximum aggregation: 87512
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 178719
Unique aggregates announced from the ARIN address blocks: 84852
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: 6111
ARIN Region transit ASes present in the Internet Routing Table: 1685
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: 460
Number of ARIN addresses announced to Internet: 1081238016
Equivalent to 64 /8s, 114 /16s and 98 /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: 132501
Total RIPE prefixes after maximum aggregation: 66015
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 138868
Unique aggregates announced from the RIPE address blocks: 86100
RIPE Region origin ASes present in the Internet Routing Table: 17948
RIPE Prefixes per ASN: 7.74
RIPE Region origin ASes announcing only one prefix: 8145
RIPE Region transit ASes present in the Internet Routing Table: 2940
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3735
Number of RIPE addresses announced to Internet: 694906368
Equivalent to 41 /8s, 107 /16s and 110 /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: 59183
Total LACNIC prefixes after maximum aggregation: 11239
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 69234
Unique aggregates announced from the LACNIC address blocks: 32593
LACNIC Region origin ASes present in the Internet Routing Table: 2432
LACNIC Prefixes per ASN: 28.47
LACNIC Region origin ASes announcing only one prefix: 627
LACNIC Region transit ASes present in the Internet Routing Table: 488
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: 168335872
Equivalent to 10 /8s, 8 /16s and 154 /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: 12216
Total AfriNIC prefixes after maximum aggregation: 3056
AfriNIC Deaggregation factor: 4.00
Prefixes being announced from the AfriNIC address blocks: 13526
Unique aggregates announced from the AfriNIC address blocks: 5178
AfriNIC Region origin ASes present in the Internet Routing Table: 729
AfriNIC Prefixes per ASN: 18.55
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: 65736704
Equivalent to 3 /8s, 235 /16s and 16 /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 2408 336 130 TPG Telecom Limited
4766 2192 11549 618 Korea Telecom
4755 2012 423 218 TATA Communications formerly
9829 1662 1331 60 National Internet Backbone
9808 1636 8639 17 Guangdong Mobile Communicatio
9583 1449 120 588 Sify Limited
9498 1304 335 99 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 1878 1849 423 Charter Communications
6983 1747 866 244 EarthLink, Inc.
4323 1613 1038 411 tw telecom holdings, inc.
30036 1544 315 475 Mediacom Communications Corp
701 1388 11322 679 MCI Communications Services,
22561 1359 414 250 CenturyTel Internet Holdings,
7018 1204 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 1073 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 854 349 25 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 1659 3255 464 Uninet S.A. de C.V.
6147 1578 374 30 Telefonica del Peru S.A.A.
6503 1246 437 56 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 933 424 154 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 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 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 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
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 /16:12915 /17:7198 /18:12155
/19:25150 /20:35469 /21:37826 /22:59089 /23:50678 /24:290613
/25:10 /26:10 /27:12 /28:102 /29:238 /30:327
/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 1379 1544 Mediacom Communications Corp
34984 1322 2028 TELLCOM ILETISIM HIZMETLERI A
10620 1136 3237 Telmex Colombia S.A.
6147 1130 1578 Telefonica del Peru S.A.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)
----------------------------------------------
1:1459 2:679 4:17 5:1816 6:25 8:774
11:1 12:1832 13:10 14:1224 15:17 16:2
17:41 18:22 20:48 23:1231 24:1706 27:1906
31:1598 32:35 33:2 34:4 35:3 36:113
37:1926 38:1026 39:6 40:251 41:2714 42:277
43:1269 44:25 45:647 46:2193 47:43 49:874
50:808 52:12 54:73 55:5 56:8 57:44
58:1243 59:688 60:477 61:1730 62:1337 63:1893
64:4403 65:2268 66:4080 67:2038 68:1061 69:3251
70:980 71:445 72:1977 74:2640 75:335 76:422
77:1390 78:1233 79:803 80:1340 81:1307 82:820
83:699 84:710 85:1403 86:391 87:1043 88:521
89:1829 90:151 91:5970 92:845 93:2218 94:2093
95:2186 96:430 97:354 98:1051 99:49 100:67
101:812 103:7382 104:1783 105:62 106:225 107:978
108:609 109:2053 110:1094 111:1447 112:804 113:1064
114:823 115:1261 116:1336 117:1048 118:1733 119:1416
120:426 121:1052 122:1994 123:1796 124:1463 125:1561
128:591 129:375 130:386 131:1183 132:483 133:178
134:399 135:107 136:328 137:306 138:778 139:149
140:210 141:439 142:649 143:502 144:570 145:116
146:713 147:574 148:1088 149:408 150:563 151:606
152:483 153:244 154:579 155:862 156:403 157:463
158:339 159:918 160:381 161:654 162:1923 163:402
164:653 165:688 166:304 167:831 168:1291 169:170
170:1467 171:236 172:69 173:1545 174:715 175:682
176:1302 177:3730 178:2153 179:924 180:1893 181:1661
182:1716 183:653 184:755 185:3569 186:2658 187:1753
188:2043 189:1583 190:7622 191:999 192:8302 193:5593
194:4146 195:3636 196:1481 197:1018 198:5443 199:5484
200:6628 201:3082 202:9011 203:9028 204:4603 205:2774
206:2962 207:2878 208:3953 209:3911 210:3179 211:1767
212:2530 213:2313 214:856 215:73 216:5705 217:1814
218:655 219:326 220:1425 221:772 222:391 223:698
End of report