Routing Table Report 08:00 +10GMT Thu 19 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 462709
Prefixes after maximum aggregation: 187135
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232109
Total ASes present in the Internet Routing Table: 40952
Prefixes per ASN: 11.30
Origin-only ASes present in the Internet Routing Table: 35178
Origin ASes announcing only one prefix: 16319
Transit ASes present in the Internet Routing Table: 5767
Transit-only ASes present in the Internet Routing Table: 141
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: 270427
Unregistered ASNs in the Routing Table: 21145
Number of 32-bit ASNs allocated by the RIRs: 5048
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12217
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 488
Number of addresses announced to Internet: 2664485120
Equivalent to 158 /8s, 208 /16s and 209 /24s
Percentage of available address space announced: 72.0
Percentage of allocated address space announced: 72.0
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: 161434
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106968
Total APNIC prefixes after maximum aggregation: 32886
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109570
Unique aggregates announced from the APNIC address blocks: 46532
APNIC Region origin ASes present in the Internet Routing Table: 4836
APNIC Prefixes per ASN: 22.66
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 813
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: 726848000
Equivalent to 43 /8s, 82 /16s and 210 /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, 63488-63999, 131072-133631
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: 161021
Total ARIN prefixes after maximum aggregation: 80902
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161670
Unique aggregates announced from the ARIN address blocks: 75801
ARIN Region origin ASes present in the Internet Routing Table: 15836
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 6027
ARIN Region transit ASes present in the Internet Routing Table: 1600
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: 1071363328
Equivalent to 63 /8s, 219 /16s and 181 /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: 118898
Total RIPE prefixes after maximum aggregation: 61087
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122738
Unique aggregates announced from the RIPE address blocks: 79233
RIPE Region origin ASes present in the Internet Routing Table: 17416
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8278
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: 657153536
Equivalent to 39 /8s, 43 /16s and 94 /24s
Percentage of available RIPE address space announced: 95.5
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: 51008
Total LACNIC prefixes after maximum aggregation: 9640
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 55826
Unique aggregates announced from the LACNIC address blocks: 26115
LACNIC Region origin ASes present in the Internet Routing Table: 2009
LACNIC Prefixes per ASN: 27.79
LACNIC Region origin ASes announcing only one prefix: 571
LACNIC Region transit ASes present in the Internet Routing Table: 359
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 139011072
Equivalent to 8 /8s, 73 /16s and 36 /24s
Percentage of available LACNIC address space announced: 82.9
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: 11803
Total AfriNIC prefixes after maximum aggregation: 2553
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 12415
Unique aggregates announced from the AfriNIC address blocks: 3994
AfriNIC Region origin ASes present in the Internet Routing Table: 659
AfriNIC Prefixes per ASN: 18.84
AfriNIC Region origin ASes announcing only one prefix: 199
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 46665728
Equivalent to 2 /8s, 200 /16s and 16 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2670 903 91 >>UNKNOWN<<
4766 2120 11553 622 Korea Telecom
7545 2071 321 113 TPG Telecom Limited
4755 1802 403 192 TATA Communications formerly
9829 1549 1238 40 >>UNKNOWN<<
9583 1230 92 508 Sify Limited
9498 1189 309 72 BHARTI Airtel Ltd.
7552 1152 1080 13 >>UNKNOWN<<
24560 1089 380 164 >>UNKNOWN<<
4808 1073 2023 313 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 3067 3689 62 BellSouth.net Inc.
18566 2063 382 183 Covad Communications Co.
22773 2044 2933 125 >>UNKNOWN<<
1785 2013 679 125 >>UNKNOWN<<
20115 1679 1650 627 Charter Communications
4323 1617 1119 411 >>UNKNOWN<<
701 1531 11152 799 >>UNKNOWN<<
30036 1348 304 633 >>UNKNOWN<<
7018 1322 11293 835 >>UNKNOWN<<
11492 1228 223 356 >>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 1519 544 16 >>UNKNOWN<<
34984 1361 244 220 >>UNKNOWN<<
20940 1034 384 798 >>UNKNOWN<<
31148 987 43 17 >>UNKNOWN<<
6830 895 2367 427 >>UNKNOWN<<
13188 847 99 70 >>UNKNOWN<<
8551 761 370 41 Bezeqint Internet Backbone
12479 677 799 49 >>UNKNOWN<<
9116 553 326 34 >>UNKNOWN<<
35228 526 246 16 >>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 3274 1726 103 >>UNKNOWN<<
10620 2564 419 248 >>UNKNOWN<<
7303 1711 1134 227 >>UNKNOWN<<
18881 1432 844 20 >>UNKNOWN<<
8151 1272 2778 393 >>UNKNOWN<<
11830 865 364 15 >>UNKNOWN<<
6503 818 434 65 Axtel, S.A.B. de C.V.
27947 809 94 95 Telconet S.A
7738 779 1498 36 >>UNKNOWN<<
6147 739 376 21 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 1864 112 5 MOBITEL
24863 851 274 30 >>UNKNOWN<<
6713 554 633 26 Itissalat Al-MAGHRIB
8452 445 956 9 >>UNKNOWN<<
24835 291 80 8 >>UNKNOWN<<
3741 258 921 216 >>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 3274 1726 103 >>UNKNOWN<<
6389 3067 3689 62 BellSouth.net Inc.
17974 2670 903 91 >>UNKNOWN<<
10620 2564 419 248 >>UNKNOWN<<
4766 2120 11553 622 Korea Telecom
7545 2071 321 113 TPG Telecom Limited
18566 2063 382 183 Covad Communications Co.
22773 2044 2933 125 >>UNKNOWN<<
1785 2013 679 125 >>UNKNOWN<<
36998 1864 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 3067 3005 BellSouth.net Inc.
17974 2670 2579 >>UNKNOWN<<
10620 2564 2316 >>UNKNOWN<<
7545 2071 1958 TPG Telecom Limited
22773 2044 1919 >>UNKNOWN<<
1785 2013 1888 >>UNKNOWN<<
18566 2063 1880 Covad Communications Co.
36998 1864 1859 MOBITEL
4755 1802 1610 TATA Communications formerly
9829 1549 1509 >>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
16477 UNALLOCATED 1.232.49.0/24 4766 Korea Telecom
38423 UNALLOCATED 1.232.97.0/24 9318 Hanaro Telecom Inc.
9772 UNALLOCATED 1.232.171.0/24 4766 Korea Telecom
2385 UNALLOCATED 1.232.172.0/24 4766 Korea Telecom
38413 UNALLOCATED 1.233.22.0/24 4766 Korea Telecom
4665 UNALLOCATED 1.233.206.0/24 9318 Hanaro Telecom Inc.
4665 UNALLOCATED 1.233.206.0/23 9318 Hanaro Telecom Inc.
4665 UNALLOCATED 1.233.207.0/24 18302 >>UNKNOWN<<
4665 UNALLOCATED 1.233.208.0/21 9318 Hanaro Telecom Inc.
4665 UNALLOCATED 1.233.208.0/20 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
10.1.1.48/29 0 *
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
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<<
23.91.112.0/21 32475 >>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
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 /14:913 /15:1625 /16:12771 /17:6726 /18:11121
/19:22940 /20:32574 /21:35012 /22:49192 /23:42528 /24:245791
/25:8 /26:11 /27:11 /28:130 /29:207 /30:135
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications Co.
36998 1829 1864 MOBITEL
6389 1712 3067 BellSouth.net Inc.
22773 1331 2044 >>UNKNOWN<<
8402 1300 1519 >>UNKNOWN<<
30036 1209 1348 >>UNKNOWN<<
11492 1187 1228 >>UNKNOWN<<
1785 1084 2013 >>UNKNOWN<<
6983 1025 1150 ITC^Deltacom
22561 932 1198 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:809 2:816 3:3 4:16 5:967 6:19
8:596 12:1895 13:3 14:842 15:11 16:3
17:12 18:19 20:21 23:405 24:1742 27:1572
31:1464 32:40 33:2 34:5 36:76 37:1837
38:902 39:3 40:178 41:3333 42:252 44:13
46:1982 47:7 49:671 50:806 52:12 54:38
55:7 57:29 58:1089 59:624 60:340 61:1474
62:1198 63:1985 64:4559 65:2357 66:4164 67:2084
68:1086 69:3287 70:865 71:494 72:1992 74:2545
75:324 76:303 77:1146 78:1009 79:621 80:1337
81:1030 82:641 83:581 84:581 85:1266 86:484
87:1055 88:556 89:1800 90:158 91:5705 92:603
93:1638 94:2016 95:1568 96:518 97:342 98:1039
99:41 100:30 101:357 103:3290 105:519 106:142
107:208 108:489 109:1883 110:955 111:1120 112:572
113:794 114:703 115:1035 116:959 117:800 118:1154
119:1262 120:349 121:846 122:1796 123:1254 124:1346
125:1422 128:525 129:300 130:308 131:666 132:343
133:161 134:529 135:67 136:271 137:264 138:347
139:177 140:179 141:313 142:538 143:409 144:497
145:99 146:512 147:485 148:669 149:352 150:154
151:585 152:412 153:195 154:46 155:484 156:273
157:371 158:285 159:676 160:352 161:425 162:686
163:208 164:620 165:562 166:259 167:612 168:1038
169:126 170:1077 171:191 172:25 173:1595 174:663
175:487 176:1175 177:2313 178:1893 179:139 180:1519
181:718 182:1260 183:458 184:629 185:861 186:2524
187:1463 188:1854 189:1327 190:7067 192:6874 193:5657
194:4069 195:3323 196:1358 197:1073 198:4623 199:5405
200:5990 201:2534 202:8779 203:8821 204:4454 205:2603
206:2753 207:2819 208:3998 209:3583 210:2848 211:1540
212:2297 213:2034 214:935 215:99 216:5269 217:1647
218:611 219:326 220:1274 221:559 222:324 223:496
End of report