IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 81.0.0.0/8
  3. 81.144.0.0/16
  4. 81.144.121.0/24

81.144.121.0/24 IP Range

Summary

ASNAS2856 British Telecommunications PLC
BGP81.128.0.0/11
IPs with RDNS68
Hosted Domains0
Pingable IPs95
Router IPs55
81.144.121.0—0
81.144.121.1—0
81.144.121.2—0
81.144.121.3ftip003390917.acc1.kingston.21cn-nte.bt.net0
81.144.121.4—0
81.144.121.5ftip003390924.acc1.kingston.21cn-nte.bt.net0
81.144.121.6—0
81.144.121.7ftip007015052.acc2.kingston.21cn-nte.bt.net0
81.144.121.8—0
81.144.121.9ftip003305201.acc1.kingston.21cn-nte.bt.net0
81.144.121.10—0
81.144.121.11ftip007321290.acc2.kingston.21cn-nte.bt.net0
81.144.121.12—0
81.144.121.13ftip003393369.acc1.kingston.21cn-nte.bt.net0
81.144.121.14—0
81.144.121.15—0
81.144.121.16—0
81.144.121.17ftip003432303.acc1.kingston.21cn-nte.bt.net0
81.144.121.18—0
81.144.121.19—0
81.144.121.20—0
81.144.121.21—0
81.144.121.22—0
81.144.121.23—0
81.144.121.24—0
81.144.121.25—0
81.144.121.26—0
81.144.121.27—0
81.144.121.28—0
81.144.121.29ftip005478088.acc2.kingston.21cn-nte.bt.net0
81.144.121.30—0
81.144.121.31ftip004124740.l-nws.21cn-ipp.bt.net0
81.144.121.32—0
81.144.121.33ftip003418253.acc1.kingston.21cn-nte.bt.net0
81.144.121.34—0
81.144.121.35—0
81.144.121.36—0
81.144.121.37—0
81.144.121.38—0
81.144.121.39ftip006536626.acc4.sf.21cn-nte.bt.net0
81.144.121.40—0
81.144.121.41ftip009602755.acc7.faraday.21cn-nte.bt.net0
81.144.121.42—0
81.144.121.43—0
81.144.121.44—0
81.144.121.45—0
81.144.121.46—0
81.144.121.47ftip004070139.acc4.birmingham.21cn-nte.bt.net0
81.144.121.48—0
81.144.121.49—0
81.144.121.50—0
81.144.121.51ftip003432921.acc1.kingston.21cn-nte.bt.net0
81.144.121.52—0
81.144.121.53ftip003170915.acc1.kingston.21cn-nte.bt.net0
81.144.121.54—0
81.144.121.55ftip008545282.acc3.colindale.21cn-nte.bt.net0
81.144.121.56—0
81.144.121.57—0
81.144.121.58—0
81.144.121.59ftip002816289.acc1.kingston.21cn-nte.bt.net0
81.144.121.60—0
81.144.121.61ftip003491621.acc2.colindale.21cn-nte.bt.net0
81.144.121.62—0
81.144.121.63ftip007060847.acc2.colindale.21cn-nte.bt.net0
81.144.121.64—0
81.144.121.65—0
81.144.121.66—0
81.144.121.67ftip006285227.acc3.sf.21cn-nte.bt.net0
81.144.121.68—0
81.144.121.69—0
81.144.121.70—0
81.144.121.71ftip005479634.acc3.sf.21cn-ipp.bt.net0
81.144.121.72—0
81.144.121.73—0
81.144.121.74—0
81.144.121.75—0
81.144.121.76—0
81.144.121.77ftip002875156.acc1.kingston.21cn-nte.bt.net0
81.144.121.78—0
81.144.121.79ftip003448014-ms-bk.acc1.kingston.21cn-nte.bt.net0
81.144.121.80—0
81.144.121.81ftip003432242.acc1.kingston.21cn-nte.bt.net0
81.144.121.82—0
81.144.121.83ftip006248420.acc2.colindale.21cn-nte.bt.net0
81.144.121.84—0
81.144.121.85—0
81.144.121.86—0
81.144.121.87—0
81.144.121.88—0
81.144.121.89ftip005818624.acc1.faraday.21cn-nte.bt.net0
81.144.121.90—0
81.144.121.91—0
81.144.121.92—0
81.144.121.93ftip003447192.acc1.kingston.21cn-nte.bt.net0
81.144.121.94—0
81.144.121.95ftip009604315.acc3.colindale.21cn-nte.bt.net0
81.144.121.96—0
81.144.121.97ftip005479658.acc2.kingston.21cn-nte.bt.net0
81.144.121.98—0
81.144.121.99ftip004516231.l-nws.21cn-ipp.bt.net0
81.144.121.100—0
81.144.121.101—0
81.144.121.102—0
81.144.121.103ftip009604377.acc6.faraday.21cn-nte.bt.net0
81.144.121.104—0
81.144.121.105—0
81.144.121.106ftip004006145.l-nws.21cn-ipp.bt.net0
81.144.121.107—0
81.144.121.108—0
81.144.121.109ftip003263563.acc4.faraday.21cn-nte.bt.net0
81.144.121.110—0
81.144.121.111—0
81.144.121.112—0
81.144.121.113—0
81.144.121.114—0
81.144.121.115—0
81.144.121.116—0
81.144.121.117ftip007162046.acc4.mr.21cn-nte.bt.net0
81.144.121.118—0
81.144.121.119—0
81.144.121.120—0
81.144.121.121ftip004251545.acc2.kingston.21cn-nte.bt.net0
81.144.121.122—0
81.144.121.123ftip004886822.acc3.birmingham.21cn-nte.bt.net0
81.144.121.124—0
81.144.121.125—0
81.144.121.126—0
81.144.121.127ftip003163467.acc1.kingston.21cn-nte.bt.net0
81.144.121.128—0
81.144.121.129ftip003418703.acc1.kingston.21cn-nte.bt.net0
81.144.121.130—0
81.144.121.131ftip007098291.acc2.colindale.21cn-nte.bt.net0
81.144.121.132—0
81.144.121.133ftip006872656.acc4.faraday.21cn-nte.bt.net0
81.144.121.134—0
81.144.121.135—0
81.144.121.136—0
81.144.121.137ftip007547508.acc3.mr.21cn-nte.bt.net0
81.144.121.138—0
81.144.121.139ftip007321436.acc2.guildford.21cn-nte.bt.net0
81.144.121.140—0
81.144.121.141ftip003304297.acc4.sf.21cn-nte.bt.net0
81.144.121.142—0
81.144.121.143—0
81.144.121.144—0
81.144.121.145ftip004074533.acc4.faraday.21cn-nte.bt.net0
81.144.121.146—0
81.144.121.147—0
81.144.121.148—0
81.144.121.149—0
81.144.121.150—0
81.144.121.151—0
81.144.121.152—0
81.144.121.153ftip009604889.acc3.colindale.21cn-nte.bt.net0
81.144.121.154—0
81.144.121.155—0
81.144.121.156—0
81.144.121.157—0
81.144.121.158—0
81.144.121.159ftip004073956.acc3.birmingham.21cn-nte.bt.net0
81.144.121.160—0
81.144.121.161—0
81.144.121.162—0
81.144.121.163—0
81.144.121.164—0
81.144.121.165ftip006434465.acc4.birmingham.21cn-nte.bt.net0
81.144.121.166—0
81.144.121.167—0
81.144.121.168—0
81.144.121.169—0
81.144.121.170—0
81.144.121.171—0
81.144.121.172—0
81.144.121.173ftip005479696.l-nws.21cn-ipp.bt.net0
81.144.121.174—0
81.144.121.175ftip005818822.acc4.sheffield.21cn-nte.bt.net0
81.144.121.176—0
81.144.121.177ftip003459911.acc4.faraday.21cn-nte.bt.net0
81.144.121.178—0
81.144.121.179—0
81.144.121.180—0
81.144.121.181ftip007160028.acc4.faraday.21cn-nte.bt.net0
81.144.121.182—0
81.144.121.183ftip003467442-ms-fo.acc1.kingston.21cn-nte.bt.net0
81.144.121.184—0
81.144.121.185—0
81.144.121.186—0
81.144.121.187—0
81.144.121.188—0
81.144.121.189—0
81.144.121.190—0
81.144.121.191—0
81.144.121.192—0
81.144.121.193—0
81.144.121.194—0
81.144.121.195ftip008338303.acc5.mr.21cn-nte.bt.net0
81.144.121.196—0
81.144.121.197ftip003246085.acc1.kingston.21cn-nte.bt.net0
81.144.121.198—0
81.144.121.199ftip004126539.acc4.faraday.21cn-nte.bt.net0
81.144.121.200—0
81.144.121.201ftip003558546.acc1.kingston.21cn-nte.bt.net0
81.144.121.202—0
81.144.121.203ftip003558355.acc1.kingston.21cn-nte.bt.net0
81.144.121.204—0
81.144.121.205ftip005818839.acc4.manchester.21cn-nte.bt.net0
81.144.121.206—0
81.144.121.207—0
81.144.121.208—0
81.144.121.209—0
81.144.121.210—0
81.144.121.211—0
81.144.121.212—0
81.144.121.213—0
81.144.121.214—0
81.144.121.215—0
81.144.121.216—0
81.144.121.217ftip004677048.acc4.faraday.21cn-nte.bt.net0
81.144.121.218—0
81.144.121.219—0
81.144.121.220—0
81.144.121.221ftip004127536.l-nws.21cn-ipp.bt.net0
81.144.121.222—0
81.144.121.223ftip004126935.l-nws.21cn-ipp.bt.net0
81.144.121.224—0
81.144.121.225ftip003311844.acc4.sf.21cn-nte.bt.net0
81.144.121.226—0
81.144.121.227ftip005479726.acc1.faraday.21cn-nte.bt.net0
81.144.121.228—0
81.144.121.229ftip004126942.acc3.sf.21cn-ipp.bt.net0
81.144.121.230—0
81.144.121.231—0
81.144.121.232—0
81.144.121.233—0
81.144.121.234—0
81.144.121.235—0
81.144.121.236—0
81.144.121.237ftip007662942.acc5.faraday.21cn-nte.bt.net0
81.144.121.238—0
81.144.121.239ftip005810437.acc1.faraday.21cn-nte.bt.net0
81.144.121.240—0
81.144.121.241ftip003238707.acc1.guildford.21cn-nte.bt.net0
81.144.121.242—0
81.144.121.243—0
81.144.121.244—0
81.144.121.245—0
81.144.121.246—0
81.144.121.247—0
81.144.121.248—0
81.144.121.249—0
81.144.121.250—0
81.144.121.251ftip003484654.acc3.birmingham.21cn-nte.bt.net0
81.144.121.252—0
81.144.121.253—0
81.144.121.254—0
81.144.121.255—0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 81.144.121.50
traceroute to 81.144.121.50 (81.144.121.50): 64 hops max, 52 byte packets
1 [AS15169] 74.125.251.223 265.07 ms
2 [AS2856] 195.99.126.76 175.029 ms
3 *
4 [AS2856] 81.144.121.50 178.785 ms
Measurement taken from  IPinfo ProbeNet in Delhi, IN
On