Routing Table Report 08:00 +10GMT Sat 10 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 456476
Prefixes after maximum aggregation: 185196
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 229008
Total ASes present in the Internet Routing Table: 40706
Prefixes per ASN: 11.21
Origin-only ASes present in the Internet Routing Table: 34959
Origin ASes announcing only one prefix: 16233
Transit ASes present in the Internet Routing Table: 5740
Transit-only ASes present in the Internet Routing Table: 139
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: 294556
Unregistered ASNs in the Routing Table: 24332
Number of 32-bit ASNs allocated by the RIRs: 4934
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 11505
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 282
Number of addresses announced to Internet: 2653674496
Equivalent to 158 /8s, 43 /16s and 220 /24s
Percentage of available address space announced: 71.7
Percentage of allocated address space announced: 71.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.8
Total number of prefixes smaller than registry allocations: 158885
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105753
Total APNIC prefixes after maximum aggregation: 32607
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 108162
Unique aggregates announced from the APNIC address blocks: 46221
APNIC Region origin ASes present in the Internet Routing Table: 4825
APNIC Prefixes per ASN: 22.42
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 802
Average APNIC Region AS path length visible: 3.9
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: 724514304
Equivalent to 43 /8s, 47 /16s and 54 /24s
Percentage of available APNIC address space announced: 84.7
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: 158708
Total ARIN prefixes after maximum aggregation: 80253
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159339
Unique aggregates announced from the ARIN address blocks: 74554
ARIN Region origin ASes present in the Internet Routing Table: 15765
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 6006
ARIN Region transit ASes present in the Internet Routing Table: 1598
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1067608832
Equivalent to 63 /8s, 162 /16s and 107 /24s
Percentage of available ARIN address space announced: 56.5
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: 118682
Total RIPE prefixes after maximum aggregation: 60348
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 122498
Unique aggregates announced from the RIPE address blocks: 78412
RIPE Region origin ASes present in the Internet Routing Table: 17311
RIPE Prefixes per ASN: 7.08
RIPE Region origin ASes announcing only one prefix: 8213
RIPE Region transit ASes present in the Internet Routing Table: 2782
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: 656774144
Equivalent to 39 /8s, 37 /16s and 148 /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: 49421
Total LACNIC prefixes after maximum aggregation: 9420
LACNIC Deaggregation factor: 5.25
Prefixes being announced from the LACNIC address blocks: 53915
Unique aggregates announced from the LACNIC address blocks: 25597
LACNIC Region origin ASes present in the Internet Routing Table: 1984
LACNIC Prefixes per ASN: 27.17
LACNIC Region origin ASes announcing only one prefix: 578
LACNIC Region transit ASes present in the Internet Routing Table: 354
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: 134497792
Equivalent to 8 /8s, 4 /16s and 70 /24s
Percentage of available LACNIC address space announced: 80.2
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: 11672
Total AfriNIC prefixes after maximum aggregation: 2528
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 12279
Unique aggregates announced from the AfriNIC address blocks: 3959
AfriNIC Region origin ASes present in the Internet Routing Table: 648
AfriNIC Prefixes per ASN: 18.95
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 46621184
Equivalent to 2 /8s, 199 /16s and 98 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2648 871 92 >>UNKNOWN<<
4766 2115 11553 618 Korea Telecom
7545 2046 320 111 TPG Telecom Limited
4755 1792 401 193 TATA Communications formerly
9829 1537 1221 45 >>UNKNOWN<<
9583 1222 92 507 Sify Limited
9498 1177 309 71 BHARTI Airtel Ltd.
7552 1128 1080 13 >>UNKNOWN<<
24560 1088 394 164 >>UNKNOWN<<
4808 1068 2022 309 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 2980 3689 63 BellSouth.net Inc.
18566 2063 382 183 Covad Communications Co.
1785 2006 679 125 >>UNKNOWN<<
22773 2004 2927 123 >>UNKNOWN<<
20115 1673 1624 620 Charter Communications
4323 1624 1122 409 >>UNKNOWN<<
701 1521 11104 800 >>UNKNOWN<<
30036 1376 309 654 >>UNKNOWN<<
7018 1329 11325 844 >>UNKNOWN<<
11492 1221 218 363 >>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 1619 544 16 >>UNKNOWN<<
34984 1291 241 215 >>UNKNOWN<<
2118 1159 97 13 >>UNKNOWN<<
31148 978 43 17 >>UNKNOWN<<
20940 963 348 746 >>UNKNOWN<<
6830 872 2371 430 >>UNKNOWN<<
13188 843 99 70 >>UNKNOWN<<
8551 817 370 45 Bezeqint Internet Backbone
12479 681 797 53 >>UNKNOWN<<
9198 570 343 21 >>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 3039 1595 110 >>UNKNOWN<<
10620 2654 422 231 >>UNKNOWN<<
7303 1730 1157 220 >>UNKNOWN<<
18881 1285 844 20 >>UNKNOWN<<
8151 1264 2758 392 >>UNKNOWN<<
11830 946 364 15 >>UNKNOWN<<
27947 810 95 92 Telconet S.A
6503 797 434 65 Axtel, S.A.B. de C.V.
3816 726 303 85 >>UNKNOWN<<
7738 698 1370 35 >>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 1861 112 5 MOBITEL
24863 872 274 30 >>UNKNOWN<<
6713 542 617 25 Itissalat Al-MAGHRIB
8452 435 956 9 >>UNKNOWN<<
24835 291 80 8 >>UNKNOWN<<
3741 258 921 217 >>UNKNOWN<<
15706 221 32 6 >>UNKNOWN<<
29571 220 17 12 >>UNKNOWN<<
36992 215 527 23 >>UNKNOWN<<
12258 193 28 71 MWEB-12258
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 3039 1595 110 >>UNKNOWN<<
6389 2980 3689 63 BellSouth.net Inc.
10620 2654 422 231 >>UNKNOWN<<
17974 2648 871 92 >>UNKNOWN<<
4766 2115 11553 618 Korea Telecom
18566 2063 382 183 Covad Communications Co.
7545 2046 320 111 TPG Telecom Limited
1785 2006 679 125 >>UNKNOWN<<
22773 2004 2927 123 >>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 2980 2917 BellSouth.net Inc.
17974 2648 2556 >>UNKNOWN<<
10620 2654 2423 >>UNKNOWN<<
7545 2046 1935 TPG Telecom Limited
1785 2006 1881 >>UNKNOWN<<
22773 2004 1881 >>UNKNOWN<<
18566 2063 1880 Covad Communications Co.
36998 1861 1856 MOBITEL
8402 1619 1603 >>UNKNOWN<<
4755 1792 1599 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
17443 UNALLOCATED 1.186.192.0/24 9498 BHARTI Airtel Ltd.
17443 UNALLOCATED 1.186.193.0/24 9498 BHARTI Airtel Ltd.
17443 UNALLOCATED 1.186.194.0/24 9498 BHARTI Airtel Ltd.
17443 UNALLOCATED 1.186.195.0/24 9498 BHARTI Airtel Ltd.
45271 UNALLOCATED 1.187.0.0/19 55644 >>UNKNOWN<<
45271 UNALLOCATED 1.187.32.0/19 55644 >>UNKNOWN<<
45271 UNALLOCATED 1.187.64.0/20 4755 TATA Communications
45271 UNALLOCATED 1.187.80.0/20 9498 BHARTI Airtel Ltd.
45271 UNALLOCATED 1.187.96.0/20 17917 >>UNKNOWN<<
45271 UNALLOCATED 1.187.112.0/20 9498 BHARTI Airtel Ltd.
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
23.112.0.0/12 7018 >>UNKNOWN<<
62.61.220.0/24 24974 >>UNKNOWN<<
62.61.221.0/24 24974 >>UNKNOWN<<
62.182.96.0/23 15830 >>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.
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
/13:478 /14:903 /15:1603 /16:12695 /17:6645 /18:10970
/19:22517 /20:32254 /21:34644 /22:48338 /23:42339 /24:242069
/25:8 /26:11 /27:11 /28:133 /29:200 /30:120
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications Co.
36998 1826 1861 MOBITEL
6389 1714 2980 BellSouth.net Inc.
8402 1327 1619 >>UNKNOWN<<
22773 1304 2004 >>UNKNOWN<<
30036 1238 1376 >>UNKNOWN<<
11492 1182 1221 >>UNKNOWN<<
1785 1079 2006 >>UNKNOWN<<
6983 1021 1148 ITC^Deltacom
10620 986 2654 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:792 2:748 3:3 4:16 5:915 6:17
8:589 12:1903 13:2 14:846 15:11 16:3
17:10 18:19 20:17 23:302 24:1768 27:1533
31:1359 32:40 33:2 34:5 36:67 37:1801
38:887 39:2 40:179 41:3302 42:240 44:7
46:1950 47:4 49:658 50:808 52:12 54:37
55:8 57:29 58:1089 59:634 60:329 61:1479
62:1179 63:2003 64:4330 65:2154 66:4196 67:2041
68:1090 69:3297 70:800 71:486 72:1913 74:2507
75:325 76:303 77:1098 78:1030 79:613 80:1293
81:1020 82:657 83:584 84:567 85:1219 86:465
87:1033 88:535 89:1805 90:152 91:5530 92:618
93:1658 94:1974 95:1611 96:591 97:346 98:1026
99:40 100:28 101:345 103:3106 105:524 106:139
107:208 108:502 109:1855 110:931 111:1067 112:568
113:811 114:685 115:1057 116:942 117:786 118:1112
119:1271 120:347 121:847 122:1767 123:1242 124:1336
125:1398 128:596 129:201 130:296 131:658 132:342
133:160 134:263 135:72 136:258 137:238 138:344
139:186 140:173 141:307 142:514 143:385 144:522
145:93 146:528 147:406 148:654 149:350 150:154
151:585 152:411 153:191 154:29 155:413 156:271
157:355 158:275 159:657 160:349 161:430 162:551
163:203 164:578 165:522 166:255 167:601 168:1018
169:125 170:1067 171:188 172:23 173:1582 174:556
175:480 176:1155 177:2131 178:1910 179:81 180:1507
181:607 182:1217 183:417 184:647 185:734 186:2333
187:1385 188:1841 189:1264 190:6803 192:6808 193:5618
194:4720 195:3596 196:1326 197:1013 198:4530 199:5337
200:5947 201:2599 202:8685 203:8811 204:4449 205:2568
206:2736 207:2830 208:3995 209:3581 210:2819 211:1526
212:2290 213:2045 214:896 215:101 216:5232 217:1644
218:607 219:324 220:1274 221:551 222:319 223:460
End of report