Routing Table Report 08:00 +10GMT Thu 12 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 462296
Prefixes after maximum aggregation: 187012
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 231812
Total ASes present in the Internet Routing Table: 40906
Prefixes per ASN: 11.30
Origin-only ASes present in the Internet Routing Table: 35116
Origin ASes announcing only one prefix: 16287
Transit ASes present in the Internet Routing Table: 5783
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 27
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 272746
Unregistered ASNs in the Routing Table: 21103
Number of 32-bit ASNs allocated by the RIRs: 5023
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12017
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 411
Number of addresses announced to Internet: 2661737216
Equivalent to 158 /8s, 166 /16s and 227 /24s
Percentage of available address space announced: 71.9
Percentage of allocated address space announced: 71.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 161322
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106855
Total APNIC prefixes after maximum aggregation: 32821
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 109474
Unique aggregates announced from the APNIC address blocks: 46419
APNIC Region origin ASes present in the Internet Routing Table: 4829
APNIC Prefixes per ASN: 22.67
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 816
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 726073088
Equivalent to 43 /8s, 70 /16s and 255 /24s
Percentage of available APNIC address space announced: 84.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 160127
Total ARIN prefixes after maximum aggregation: 80791
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160766
Unique aggregates announced from the ARIN address blocks: 75513
ARIN Region origin ASes present in the Internet Routing Table: 15814
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 6020
ARIN Region transit ASes present in the Internet Routing Table: 1608
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1071025408
Equivalent to 63 /8s, 214 /16s and 141 /24s
Percentage of available ARIN address space announced: 56.7
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, 393216-394239
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: 119930
Total RIPE prefixes after maximum aggregation: 61175
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123771
Unique aggregates announced from the RIPE address blocks: 79563
RIPE Region origin ASes present in the Internet Routing Table: 17405
RIPE Prefixes per ASN: 7.11
RIPE Region origin ASes announcing only one prefix: 8263
RIPE Region transit ASes present in the Internet Routing Table: 2783
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 657314048
Equivalent to 39 /8s, 45 /16s and 209 /24s
Percentage of available RIPE address space announced: 95.6
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, 196608-200191
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: 50756
Total LACNIC prefixes after maximum aggregation: 9619
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 55443
Unique aggregates announced from the LACNIC address blocks: 25969
LACNIC Region origin ASes present in the Internet Routing Table: 2007
LACNIC Prefixes per ASN: 27.62
LACNIC Region origin ASes announcing only one prefix: 570
LACNIC Region transit ASes present in the Internet Routing Table: 366
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 137604096
Equivalent to 8 /8s, 51 /16s and 172 /24s
Percentage of available LACNIC address space announced: 82.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus 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: 11818
Total AfriNIC prefixes after maximum aggregation: 2551
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 12430
Unique aggregates announced from the AfriNIC address blocks: 3970
AfriNIC Region origin ASes present in the Internet Routing Table: 659
AfriNIC Prefixes per ASN: 18.86
AfriNIC Region origin ASes announcing only one prefix: 199
AfriNIC Region transit ASes present in the Internet Routing Table: 133
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46555904
Equivalent to 2 /8s, 198 /16s and 99 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2675 903 91 >>UNKNOWN<<
4766 2119 11553 622 Korea Telecom
7545 2067 321 113 TPG Telecom Limited
4755 1800 401 194 TATA Communications formerly
9829 1549 1237 45 >>UNKNOWN<<
9583 1227 92 511 Sify Limited
9498 1186 309 71 BHARTI Airtel Ltd.
7552 1144 1080 13 >>UNKNOWN<<
24560 1089 394 163 >>UNKNOWN<<
4808 1074 2023 315 CNCGROUP IP network China169
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
6389 3068 3689 62 BellSouth.net Inc.
18566 2063 382 183 Covad Communications Co.
22773 2042 2933 125 >>UNKNOWN<<
1785 2011 679 125 >>UNKNOWN<<
20115 1678 1648 628 Charter Communications
4323 1618 1119 412 >>UNKNOWN<<
701 1525 11136 797 >>UNKNOWN<<
30036 1350 305 639 >>UNKNOWN<<
7018 1323 11293 835 >>UNKNOWN<<
11492 1222 218 365 >>UNKNOWN<<
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
8402 1601 544 16 >>UNKNOWN<<
34984 1328 244 220 >>UNKNOWN<<
2118 1164 97 13 >>UNKNOWN<<
20940 1014 372 781 >>UNKNOWN<<
31148 982 43 18 >>UNKNOWN<<
6830 895 2367 427 >>UNKNOWN<<
13188 847 99 70 >>UNKNOWN<<
8551 762 370 41 Bezeqint Internet Backbone
12479 673 797 53 >>UNKNOWN<<
9116 553 326 34 >>UNKNOWN<<
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
28573 3244 1720 96 >>UNKNOWN<<
10620 2548 416 262 >>UNKNOWN<<
7303 1708 1133 225 >>UNKNOWN<<
18881 1431 844 20 >>UNKNOWN<<
8151 1277 2780 389 >>UNKNOWN<<
11830 864 364 15 >>UNKNOWN<<
27947 814 94 93 Telconet S.A
6503 809 434 65 Axtel, S.A.B. de C.V.
7738 779 1498 36 >>UNKNOWN<<
6147 735 372 28 Telefonica del Peru S.A.A.
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
36998 1861 112 5 MOBITEL
24863 868 274 30 >>UNKNOWN<<
6713 543 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 >>UNKNOWN<<
24835 291 80 8 >>UNKNOWN<<
3741 257 921 216 >>UNKNOWN<<
36992 222 501 28 >>UNKNOWN<<
15706 221 32 6 >>UNKNOWN<<
29571 221 17 12 >>UNKNOWN<<
29975 191 667 21 >>UNKNOWN<<
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
28573 3244 1720 96 >>UNKNOWN<<
6389 3068 3689 62 BellSouth.net Inc.
17974 2675 903 91 >>UNKNOWN<<
10620 2548 416 262 >>UNKNOWN<<
4766 2119 11553 622 Korea Telecom
7545 2067 321 113 TPG Telecom Limited
18566 2063 382 183 Covad Communications Co.
22773 2042 2933 125 >>UNKNOWN<<
1785 2011 679 125 >>UNKNOWN<<
36998 1861 112 5 MOBITEL
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3068 3006 BellSouth.net Inc.
17974 2675 2584 >>UNKNOWN<<
10620 2548 2286 >>UNKNOWN<<
7545 2067 1954 TPG Telecom Limited
22773 2042 1917 >>UNKNOWN<<
1785 2011 1886 >>UNKNOWN<<
18566 2063 1880 Covad Communications Co.
36998 1861 1856 MOBITEL
4755 1800 1606 TATA Communications formerly
8402 1601 1585 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
38397 UNALLOCATED 1.230.107.0/24 9318 Hanaro Telecom Inc.
38397 UNALLOCATED 1.230.108.0/24 9318 Hanaro Telecom Inc.
38397 UNALLOCATED 1.230.109.0/24 9318 Hanaro Telecom Inc.
38397 UNALLOCATED 1.230.110.0/24 9318 Hanaro Telecom Inc.
3357 UNALLOCATED 1.230.111.0/24 4766 Korea Telecom
3357 UNALLOCATED 1.230.112.0/24 4766 Korea Telecom
3357 UNALLOCATED 1.230.113.0/24 4766 Korea Telecom
17873 UNALLOCATED 1.230.122.0/24 3786 LG DACOM Corporation
45980 UNALLOCATED 1.230.123.0/24 9318 Hanaro Telecom Inc.
45980 UNALLOCATED 1.230.124.0/24 9318 Hanaro Telecom 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 Internet Assigned Numbers Aut
100.64.0.0/10 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.0.0/24 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut
198.51.100.0/24 65333 Internet Assigned Numbers Aut
203.0.113.0/24 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 >>UNKNOWN<<
23.90.192.0/18 36086 >>UNKNOWN<<
23.91.0.0/19 40676 >>UNKNOWN<<
23.91.32.0/19 36315 >>UNKNOWN<<
23.91.96.0/20 40676 >>UNKNOWN<<
23.91.160.0/22 36493 FIBERNETICS CORPORATION
23.91.160.0/19 36493 FIBERNETICS CORPORATION
23.91.164.0/22 36493 FIBERNETICS CORPORATION
23.91.168.0/22 36493 FIBERNETICS CORPORATION
23.91.172.0/22 36493 FIBERNETICS CORPORATION
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 /8:17 /9:11 /10:32 /11:93 /12:251
/13:477 /14:907 /15:1621 /16:12738 /17:6714 /18:11056
/19:22873 /20:32523 /21:34951 /22:48947 /23:42664 /24:245775
/25:8 /26:11 /27:11 /28:129 /29:211 /30:138
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications Co.
36998 1826 1861 MOBITEL
6389 1713 3068 BellSouth.net Inc.
8402 1355 1601 >>UNKNOWN<<
22773 1329 2042 >>UNKNOWN<<
30036 1210 1350 >>UNKNOWN<<
11492 1183 1222 >>UNKNOWN<<
1785 1083 2011 >>UNKNOWN<<
6983 1025 1150 ITC^Deltacom
7011 934 1173 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:806 2:856 3:3 4:16 5:939 6:19
8:601 12:1888 13:3 14:840 15:11 16:3
17:11 18:19 20:20 23:387 24:1737 27:1560
31:1443 32:40 33:2 34:5 36:77 37:1861
38:896 39:3 40:179 41:3361 42:250 44:9
46:1973 47:5 49:669 50:815 52:12 54:37
55:6 57:29 58:1089 59:637 60:336 61:1506
62:1212 63:1980 64:4556 65:2362 66:4169 67:2069
68:1077 69:3286 70:864 71:495 72:2005 74:2543
75:329 76:304 77:1138 78:1019 79:618 80:1322
81:1029 82:653 83:582 84:581 85:1268 86:500
87:1053 88:556 89:1844 90:158 91:5649 92:602
93:1678 94:2034 95:1560 96:517 97:342 98:1037
99:41 100:30 101:354 103:3286 105:519 106:142
107:208 108:486 109:1901 110:955 111:1127 112:567
113:788 114:710 115:1029 116:960 117:789 118:1151
119:1263 120:350 121:849 122:1776 123:1253 124:1344
125:1419 128:551 129:210 130:308 131:660 132:344
133:161 134:275 135:67 136:271 137:264 138:347
139:175 140:169 141:312 142:539 143:393 144:493
145:99 146:528 147:476 148:675 149:354 150:154
151:595 152:412 153:195 154:46 155:483 156:271
157:364 158:284 159:668 160:349 161:433 162:647
163:196 164:625 165:560 166:259 167:606 168:1022
169:121 170:1078 171:194 172:25 173:1591 174:520
175:487 176:1184 177:2213 178:1898 179:116 180:1520
181:722 182:1260 183:432 184:630 185:821 186:2472
187:1458 188:1900 189:1315 190:7042 192:6854 193:5686
194:4617 195:3566 196:1354 197:1076 198:4607 199:5389
200:5991 201:2522 202:8725 203:8822 204:4450 205:2600
206:2748 207:2813 208:3981 209:3588 210:2862 211:1564
212:2287 213:2050 214:926 215:98 216:5265 217:1657
218:613 219:326 220:1274 221:559 222:324 223:495
End of report