Routing Table Report 08:00 +10GMT Tue 02 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 451295
Prefixes after maximum aggregation: 183936
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 226685
Total ASes present in the Internet Routing Table: 40487
Prefixes per ASN: 11.15
Origin-only ASes present in the Internet Routing Table: 34767
Origin ASes announcing only one prefix: 16169
Transit ASes present in the Internet Routing Table: 5712
Transit-only ASes present in the Internet Routing Table: 128
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 355919
Unregistered ASNs in the Routing Table: 30181
Number of 32-bit ASNs allocated by the RIRs: 4838
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 11021
Special use prefixes present in the Routing Table: 30
Prefixes being announced from unallocated address space: 230
Number of addresses announced to Internet: 2647036672
Equivalent to 157 /8s, 198 /16s and 147 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.7
Total number of prefixes smaller than registry allocations: 156503
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104844
Total APNIC prefixes after maximum aggregation: 32286
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 107303
Unique aggregates announced from the APNIC address blocks: 45614
APNIC Region origin ASes present in the Internet Routing Table: 4806
APNIC Prefixes per ASN: 22.33
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 795
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 723680512
Equivalent to 43 /8s, 34 /16s and 125 /24s
Percentage of available APNIC address space announced: 84.6
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: 157476
Total ARIN prefixes after maximum aggregation: 79837
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 158197
Unique aggregates announced from the ARIN address blocks: 73760
ARIN Region origin ASes present in the Internet Routing Table: 15691
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5995
ARIN Region transit ASes present in the Internet Routing Table: 1585
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1064988928
Equivalent to 63 /8s, 122 /16s and 113 /24s
Percentage of available ARIN address space announced: 56.3
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: 118006
Total RIPE prefixes after maximum aggregation: 60000
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 121418
Unique aggregates announced from the RIPE address blocks: 78369
RIPE Region origin ASes present in the Internet Routing Table: 17229
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8171
RIPE Region transit ASes present in the Internet Routing Table: 2787
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 21
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656700416
Equivalent to 39 /8s, 36 /16s and 116 /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, 196608-199679
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: 48137
Total LACNIC prefixes after maximum aggregation: 9248
LACNIC Deaggregation factor: 5.21
Prefixes being announced from the LACNIC address blocks: 52448
Unique aggregates announced from the LACNIC address blocks: 24746
LACNIC Region origin ASes present in the Internet Routing Table: 1955
LACNIC Prefixes per ASN: 26.83
LACNIC Region origin ASes announcing only one prefix: 581
LACNIC Region transit ASes present in the Internet Routing Table: 347
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: 3
Number of LACNIC addresses announced to Internet: 132749824
Equivalent to 7 /8s, 233 /16s and 154 /24s
Percentage of available LACNIC address space announced: 79.1
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: 11063
Total AfriNIC prefixes after maximum aggregation: 2524
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 11698
Unique aggregates announced from the AfriNIC address blocks: 3985
AfriNIC Region origin ASes present in the Internet Routing Table: 642
AfriNIC Prefixes per ASN: 18.22
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 46343936
Equivalent to 2 /8s, 195 /16s and 39 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2560 855 92 >>UNKNOWN<<
4766 2130 11553 623 Korea Telecom
7545 2011 320 109 TPG Telecom Limited
4755 1775 394 204 >>UNKNOWN<<
9829 1519 1205 40 >>UNKNOWN<<
9583 1451 117 565 >>UNKNOWN<<
7552 1149 1080 13 >>UNKNOWN<<
9498 1149 309 72 BHARTI Airtel Ltd.
24560 1080 394 164 >>UNKNOWN<<
4808 1061 2012 305 >>UNKNOWN<<
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 2990 3691 69 BellSouth.net Inc.
18566 2063 382 183 Covad Communications Co.
1785 1994 678 125 >>UNKNOWN<<
22773 1987 2927 123 >>UNKNOWN<<
20115 1662 1615 619 Charter Communications
4323 1623 1154 404 >>UNKNOWN<<
701 1529 11127 798 >>UNKNOWN<<
30036 1339 300 646 >>UNKNOWN<<
7018 1319 11076 841 >>UNKNOWN<<
11492 1222 218 359 >>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 1616 544 16 >>UNKNOWN<<
34984 1271 241 215 >>UNKNOWN<<
2118 1085 97 13 >>UNKNOWN<<
20940 893 317 705 >>UNKNOWN<<
8551 826 370 44 Bezeqint Internet Backbone
13188 825 98 79 >>UNKNOWN<<
31148 806 40 25 >>UNKNOWN<<
6830 767 2376 441 >>UNKNOWN<<
12479 673 789 57 >>UNKNOWN<<
34744 658 171 76 S.C. GVM SISTEM 2003 S.R.L.
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 2796 1559 141 >>UNKNOWN<<
10620 2677 420 200 >>UNKNOWN<<
7303 1731 1155 220 >>UNKNOWN<<
8151 1246 2719 385 >>UNKNOWN<<
18881 1070 844 20 >>UNKNOWN<<
6503 863 434 65 Axtel, S.A.B. de C.V.
27947 793 95 94 >>UNKNOWN<<
3816 721 307 87 >>UNKNOWN<<
7738 698 1370 35 >>UNKNOWN<<
11172 619 104 67 >>UNKNOWN<<
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 1172 80 4 >>UNKNOWN<<
24863 883 274 30 >>UNKNOWN<<
6713 540 617 25 >>UNKNOWN<<
8452 460 956 9 >>UNKNOWN<<
24835 345 80 8 >>UNKNOWN<<
3741 259 922 218 >>UNKNOWN<<
15706 219 32 6 >>UNKNOWN<<
29571 219 17 12 >>UNKNOWN<<
36992 203 527 21 >>UNKNOWN<<
12258 193 28 66 >>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
6389 2990 3691 69 BellSouth.net Inc.
28573 2796 1559 141 >>UNKNOWN<<
10620 2677 420 200 >>UNKNOWN<<
17974 2560 855 92 >>UNKNOWN<<
4766 2130 11553 623 Korea Telecom
18566 2063 382 183 Covad Communications Co.
7545 2011 320 109 TPG Telecom Limited
1785 1994 678 125 >>UNKNOWN<<
22773 1987 2927 123 >>UNKNOWN<<
4755 1775 394 204 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2796 2655 >>UNKNOWN<<
10620 2677 2477 >>UNKNOWN<<
17974 2560 2468 >>UNKNOWN<<
7545 2011 1902 TPG Telecom Limited
18566 2063 1880 Covad Communications Co.
1785 1994 1869 >>UNKNOWN<<
22773 1987 1864 >>UNKNOWN<<
8402 1616 1600 >>UNKNOWN<<
4755 1775 1571 >>UNKNOWN<<
7303 1731 1511 >>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
23599 UNALLOCATED 1.18.122.0/24 1280 >>UNKNOWN<<
23599 UNALLOCATED 1.18.125.0/24 9318 >>UNKNOWN<<
23596 UNALLOCATED 1.18.128.0/24 24151 China Internet Netwo
56120 UNALLOCATED 1.20.0.0/24 9737 TOT Public Company L
56120 UNALLOCATED 1.20.0.0/17 9737 TOT Public Company L
56120 UNALLOCATED 1.20.1.0/24 9737 TOT Public Company L
56120 UNALLOCATED 1.20.2.0/24 9737 TOT Public Company L
56120 UNALLOCATED 1.20.3.0/24 9737 TOT Public Company L
56120 UNALLOCATED 1.20.125.0/24 9737 TOT Public Company L
56120 UNALLOCATED 1.20.126.0/24 9737 TOT Public Company L
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
128.0.0.0/24 2876 >>UNKNOWN<<
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.46.0/23 39743 Voxility S.R.L.
128.0.53.0/24 60993 >>UNKNOWN<<
128.0.54.0/24 60972 >>UNKNOWN<<
128.0.55.0/24 48571 efectRO SRL
128.0.57.0/24 60993 >>UNKNOWN<<
128.0.58.0/23 9050 ROMTELECOM S.A
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
62.61.220.0/24 24974 >>UNKNOWN<<
62.61.221.0/24 24974 >>UNKNOWN<<
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
64.185.231.0/24 27431 JTL Networks Inc.
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 /10:31 /11:92 /12:251
/13:481 /14:897 /15:1604 /16:12680 /17:6636 /18:11036
/19:22431 /20:32096 /21:34398 /22:47535 /23:41985 /24:238503
/25:7 /26:11 /27:12 /28:133 /29:201 /30:112
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications Co.
6389 1717 2990 BellSouth.net Inc.
8402 1322 1616 >>UNKNOWN<<
22773 1293 1987 >>UNKNOWN<<
30036 1206 1339 >>UNKNOWN<<
11492 1183 1222 >>UNKNOWN<<
36998 1140 1172 >>UNKNOWN<<
1785 1063 1994 >>UNKNOWN<<
6983 1015 1145 ITC^Deltacom
10620 996 2677 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:798 2:761 3:3 4:16 5:813 6:15
8:556 12:1916 13:3 14:834 15:11 16:3
17:10 20:17 23:293 24:1765 27:1478 31:1318
32:40 33:2 34:5 36:47 37:1866 38:870
39:2 40:170 41:2917 42:198 44:7 46:1900
47:2 49:665 50:738 52:12 54:35 55:4
57:30 58:1080 59:614 60:322 61:1465 62:1143
63:2024 64:4329 65:2156 66:4171 67:2037 68:1077
69:3266 70:836 71:494 72:1923 74:2459 75:324
76:301 77:1083 78:1056 79:616 80:1266 81:1019
82:637 83:592 84:588 85:1178 86:452 87:1012
88:543 89:1757 90:148 91:5523 92:606 93:1734
94:1872 95:1643 96:522 97:345 98:1012 99:39
100:29 101:324 103:2878 105:470 106:138 107:207
108:493 109:1837 110:896 111:1023 112:546 113:817
114:692 115:1042 116:944 117:787 118:1107 119:1275
120:366 121:841 122:1760 123:1216 124:1341 125:1383
128:595 129:203 130:296 131:651 132:353 133:155
134:258 135:68 136:222 137:238 138:340 139:187
140:176 141:315 142:523 143:366 144:494 145:94
146:497 147:371 148:656 149:346 150:148 151:520
152:419 153:189 154:24 155:414 156:262 157:351
158:280 159:632 160:344 161:430 162:462 163:227
164:599 165:492 166:253 167:596 168:1038 169:128
170:1059 171:180 172:21 173:1592 174:539 175:457
176:1032 177:2087 178:1864 179:52 180:1472 181:480
182:1244 183:419 184:667 185:599 186:2273 187:1296
188:2034 189:1277 190:6703 192:6716 193:5669 194:4612
195:3454 196:1361 197:900 198:4444 199:5310 200:5964
201:2209 202:8669 203:8800 204:4439 205:2541 206:2713
207:2779 208:4031 209:3613 210:2815 211:1514 212:2219
213:1996 214:902 215:98 216:5213 217:1624 218:601
219:340 220:1278 221:557 222:323 223:444
End of report