81.187.23.0/24 IP Range

Summary

ASN	AS20712 Andrews & Arnold Ltd
BGP	81.187.0.0/16
IPs with RDNS	206
Hosted Domains	0
Pingable IPs	38
Router IPs	2


81.187.23.0	—	0
81.187.23.1	v1-gw.ninja.org.uk	0
81.187.23.2	v1-left.ninja.org.uk	0
81.187.23.3	v1-right.ninja.org.uk	0
81.187.23.4	329-vpn-01.n-client.ninja.org.uk	0
81.187.23.5	329-cloud-01.n-client.ninja.org.uk	0
81.187.23.6	ns0.ninja.org.uk	0
81.187.23.7	normandy.jp2.me.uk	0
81.187.23.8	329-ovpn-01.n-client.ninja.org.uk	0
81.187.23.9	vm1.mutts.hosted.ninja.org.uk	0
81.187.23.10	329-robot-01.n-client.ninja.org.uk	0
81.187.23.11	meet329.ninja.org.uk	0
81.187.23.12	—	0
81.187.23.13	liv-jmh-01.ninja.org.uk	0
81.187.23.14	gallery.ninja.org.uk	0
81.187.23.15	—	0
81.187.23.16	—	0
81.187.23.17	v21-gw.ninja.org.uk	0
81.187.23.18	v21-left.ninja.org.uk	0
81.187.23.19	v22-right.ninja.org.uk	0
81.187.23.20	—	0
81.187.23.21	v21-wlan.ninja.org.uk	0
81.187.23.22	—	0
81.187.23.23	dhcp-0.ninja.org.uk	0
81.187.23.24	dhcp-1.ninja.org.uk	0
81.187.23.25	dhcp-2.ninja.org.uk	0
81.187.23.26	dhcp-3.ninja.org.uk	0
81.187.23.27	dhcp-4.ninja.org.uk	0
81.187.23.28	dhcp-5.ninja.org.uk	0
81.187.23.29	dhcp-6.ninja.org.uk	0
81.187.23.30	—	0
81.187.23.31	—	0
81.187.23.32	—	0
81.187.23.33	gw-vpn.bcgrp.co.uk	0
81.187.23.34	eah.vpn.bcgrp.co.uk	0
81.187.23.35	jmh.vpn.bcgrp.co.uk	0
81.187.23.36	maw.vpn.bcgrp.co.uk	0
81.187.23.37	mj.vpn.bcgrp.co.uk	0
81.187.23.38	—	0
81.187.23.39	—	0
81.187.23.40	—	0
81.187.23.41	pool1.vpn.bcgrp.co.uk	0
81.187.23.42	pool2.vpn.bcgrp.co.uk	0
81.187.23.43	pool3.vpn.bcgrp.co.uk	0
81.187.23.44	pool4.vpn.bcgrp.co.uk	0
81.187.23.45	pool5.vpn.bcgrp.co.uk	0
81.187.23.46	—	0
81.187.23.47	—	0
81.187.23.48	—	0
81.187.23.49	v41-gw.ninja.org.uk	0
81.187.23.50	v41-left.ninja.org.uk	0
81.187.23.51	v41-right.ninja.org.uk	0
81.187.23.52	sfs01-storage.bcgrp.co.uk	0
81.187.23.53	brian3-storage.bcgrp.co.uk	0
81.187.23.54	—	0
81.187.23.55	—	0
81.187.23.56	—	0
81.187.23.57	—	0
81.187.23.58	—	0
81.187.23.59	—	0
81.187.23.60	—	0
81.187.23.61	—	0
81.187.23.62	—	0
81.187.23.63	—	0
81.187.23.64	—	0
81.187.23.65	v31-gw.ninja.org.uk	0
81.187.23.66	v31-left.ninja.org.uk	0
81.187.23.67	v31-right.ninja.org.uk	0
81.187.23.68	—	0
81.187.23.69	—	0
81.187.23.70	kryten.ninja.org.uk	0
81.187.23.71	329-acmedns-01.n-client.ninja.org.uk	0
81.187.23.72	splunk.bcgrp.co.uk	0
81.187.23.73	zenoss.ninja.org.uk	0
81.187.23.74	utils1.ninja.org.uk	0
81.187.23.75	gallery.ninja.org.uk	0
81.187.23.76	329-unifi-01.n-client.ninja.org.uk	0
81.187.23.77	329-vault-01.n-client.ninja.org.uk	0
81.187.23.78	329-oxidized-01.n-client.ninja.org.uk	0
81.187.23.79	—	0
81.187.23.80	—	0
81.187.23.81	—	0
81.187.23.82	—	0
81.187.23.83	tsdev1.ninja.org.uk	0
81.187.23.84	brian.bcgrp.co.uk	0
81.187.23.85	brian2.bcgrp.co.uk	0
81.187.23.86	brian3.bcgrp.co.uk	0
81.187.23.87	brian4.bcgrp.co.uk	0
81.187.23.88	—	0
81.187.23.89	—	0
81.187.23.90	vm-ldap.bcgrp.co.uk	0
81.187.23.91	vm-mail.bcgrp.co.uk	0
81.187.23.92	vm-web.bcgrp.co.uk	0
81.187.23.93	vm-smb.bcgrp.co.uk	0
81.187.23.94	mail.ninja.org.uk	0
81.187.23.95	—	0
81.187.23.96	—	0
81.187.23.97	gw-storage.ninja.org.uk	0
81.187.23.98	spacewalk.ninja.org.uk	0
81.187.23.99	fwadmin.ninja.org.uk	0
81.187.23.100	—	0
81.187.23.101	—	0
81.187.23.102	—	0
81.187.23.103	—	0
81.187.23.104	—	0
81.187.23.105	gw.hosted.ninja.org.uk	0
81.187.23.106	rtr1.hosted.ninja.org.uk	0
81.187.23.107	rtr2.hosted.ninja.org.uk	0
81.187.23.108	mugss1.hosted.ninja.org.uk	0
81.187.23.109	vs01.compsoc.hosted.ninja.org.uk	0
81.187.23.110	—	0
81.187.23.111	—	0
81.187.23.112	—	0
81.187.23.113	—	0
81.187.23.114	—	0
81.187.23.115	—	0
81.187.23.116	—	0
81.187.23.117	hpmfp4730.bcgrp.co.uk	0
81.187.23.118	hpoj9130.bcgrp.co.uk	0
81.187.23.119	hplj4.ninja.org.uk	0
81.187.23.120	t1626.ninja.org.uk	0
81.187.23.121	t651.ninja.org.uk	0
81.187.23.122	brian3-ilo.bcgrp.co.uk	0
81.187.23.123	termsvr.ninja.org.uk	0
81.187.23.124	brian2-ilo.bcgrp.co.uk	0
81.187.23.125	catd.ninja.org.uk	0
81.187.23.126	catc.ninja.org.uk	0
81.187.23.127	—	0
81.187.23.128	81-187-23-128.ip4.reverse-dns.uk	0
81.187.23.129	129.23.187.81.in-addr.arpa	0
81.187.23.130	130.23.187.81.in-addr.arpa	0
81.187.23.131	131.23.187.81.in-addr.arpa	0
81.187.23.132	132.23.187.81.in-addr.arpa	0
81.187.23.133	81-187-23-133.ip4.reverse-dns.uk	0
81.187.23.134	134.23.187.81.in-addr.arpa	0
81.187.23.135	135.23.187.81.in-addr.arpa	0
81.187.23.136	136.23.187.81.in-addr.arpa	0
81.187.23.137	137.23.187.81.in-addr.arpa	0
81.187.23.138	138.23.187.81.in-addr.arpa	0
81.187.23.139	139.23.187.81.in-addr.arpa	0
81.187.23.140	140.23.187.81.in-addr.arpa	0
81.187.23.141	141.23.187.81.in-addr.arpa	0
81.187.23.142	81-187-23-142.ip4.reverse-dns.uk	0
81.187.23.143	143.23.187.81.in-addr.arpa	0
81.187.23.144	81-187-23-144.ip4.reverse-dns.uk	0
81.187.23.145	145.23.187.81.in-addr.arpa	0
81.187.23.146	81-187-23-146.ip4.reverse-dns.uk	0
81.187.23.147	147.23.187.81.in-addr.arpa	0
81.187.23.148	148.23.187.81.in-addr.arpa	0
81.187.23.149	149.23.187.81.in-addr.arpa	0
81.187.23.150	150.23.187.81.in-addr.arpa	0
81.187.23.151	151.23.187.81.in-addr.arpa	0
81.187.23.152	152.23.187.81.in-addr.arpa	0
81.187.23.153	153.23.187.81.in-addr.arpa	0
81.187.23.154	154.23.187.81.in-addr.arpa	0
81.187.23.155	81-187-23-155.ip4.reverse-dns.uk	0
81.187.23.156	156.23.187.81.in-addr.arpa	0
81.187.23.157	157.23.187.81.in-addr.arpa	0
81.187.23.158	158.23.187.81.in-addr.arpa	0
81.187.23.159	159.23.187.81.in-addr.arpa	0
81.187.23.160	160.23.187.81.in-addr.arpa	0
81.187.23.161	81-187-23-161.ip4.reverse-dns.uk	0
81.187.23.162	81-187-23-162.ip4.reverse-dns.uk	0
81.187.23.163	163.23.187.81.in-addr.arpa	0
81.187.23.164	164.23.187.81.in-addr.arpa	0
81.187.23.165	165.23.187.81.in-addr.arpa	0
81.187.23.166	166.23.187.81.in-addr.arpa	0
81.187.23.167	167.23.187.81.in-addr.arpa	0
81.187.23.168	168.23.187.81.in-addr.arpa	0
81.187.23.169	169.23.187.81.in-addr.arpa	0
81.187.23.170	170.23.187.81.in-addr.arpa	0
81.187.23.171	171.23.187.81.in-addr.arpa	0
81.187.23.172	172.23.187.81.in-addr.arpa	0
81.187.23.173	81-187-23-173.ip4.reverse-dns.uk	0
81.187.23.174	174.23.187.81.in-addr.arpa	0
81.187.23.175	175.23.187.81.in-addr.arpa	0
81.187.23.176	176.23.187.81.in-addr.arpa	0
81.187.23.177	81-187-23-177.ip4.reverse-dns.uk	0
81.187.23.178	178.23.187.81.in-addr.arpa	0
81.187.23.179	179.23.187.81.in-addr.arpa	0
81.187.23.180	180.23.187.81.in-addr.arpa	0
81.187.23.181	181.23.187.81.in-addr.arpa	0
81.187.23.182	182.23.187.81.in-addr.arpa	0
81.187.23.183	183.23.187.81.in-addr.arpa	0
81.187.23.184	—	0
81.187.23.185	185.23.187.81.in-addr.arpa	0
81.187.23.186	186.23.187.81.in-addr.arpa	0
81.187.23.187	office.clockworknet.com	0
81.187.23.188	188.23.187.81.in-addr.arpa	0
81.187.23.189	189.23.187.81.in-addr.arpa	0
81.187.23.190	190.23.187.81.in-addr.arpa	0
81.187.23.191	191.23.187.81.in-addr.arpa	0
81.187.23.192	192.23.187.81.in-addr.arpa	0
81.187.23.193	193.23.187.81.in-addr.arpa	0
81.187.23.194	194.23.187.81.in-addr.arpa	0
81.187.23.195	195.23.187.81.in-addr.arpa	0
81.187.23.196	196.23.187.81.in-addr.arpa	0
81.187.23.197	197.23.187.81.in-addr.arpa	0
81.187.23.198	81-187-23-198.ip4.reverse-dns.uk	0
81.187.23.199	199.23.187.81.in-addr.arpa	0
81.187.23.200	200.23.187.81.in-addr.arpa	0
81.187.23.201	201.23.187.81.in-addr.arpa	0
81.187.23.202	202.23.187.81.in-addr.arpa	0
81.187.23.203	203.23.187.81.in-addr.arpa	0
81.187.23.204	204.23.187.81.in-addr.arpa	0
81.187.23.205	205.23.187.81.in-addr.arpa	0
81.187.23.206	206.23.187.81.in-addr.arpa	0
81.187.23.207	207.23.187.81.in-addr.arpa	0
81.187.23.208	208.23.187.81.in-addr.arpa	0
81.187.23.209	209.23.187.81.in-addr.arpa	0
81.187.23.210	210.23.187.81.in-addr.arpa	0
81.187.23.211	211.23.187.81.in-addr.arpa	0
81.187.23.212	212.23.187.81.in-addr.arpa	0
81.187.23.213	213.23.187.81.in-addr.arpa	0
81.187.23.214	214.23.187.81.in-addr.arpa	0
81.187.23.215	215.23.187.81.in-addr.arpa	0
81.187.23.216	216.23.187.81.in-addr.arpa	0
81.187.23.217	217.23.187.81.in-addr.arpa	0
81.187.23.218	218.23.187.81.in-addr.arpa	0
81.187.23.219	219.23.187.81.in-addr.arpa	0
81.187.23.220	220.23.187.81.in-addr.arpa	0
81.187.23.221	221.23.187.81.in-addr.arpa	0
81.187.23.222	222.23.187.81.in-addr.arpa	0
81.187.23.223	223.23.187.81.in-addr.arpa	0
81.187.23.224	224.23.187.81.in-addr.arpa	0
81.187.23.225	81-187-23-225.ip4.reverse-dns.uk	0
81.187.23.226	226.23.187.81.in-addr.arpa	0
81.187.23.227	227.23.187.81.in-addr.arpa	0
81.187.23.228	81-187-23-228.ip4.reverse-dns.uk	0
81.187.23.229	229.23.187.81.in-addr.arpa	0
81.187.23.230	81-187-23-230.ip4.reverse-dns.uk	0
81.187.23.231	231.23.187.81.in-addr.arpa	0
81.187.23.232	232.23.187.81.in-addr.arpa	0
81.187.23.233	233.23.187.81.in-addr.arpa	0
81.187.23.234	234.23.187.81.in-addr.arpa	0
81.187.23.235	235.23.187.81.in-addr.arpa	0
81.187.23.236	236.23.187.81.in-addr.arpa	0
81.187.23.237	81-187-23-237.ip4.reverse-dns.uk	0
81.187.23.238	238.23.187.81.in-addr.arpa	0
81.187.23.239	239.23.187.81.in-addr.arpa	0
81.187.23.240	240.23.187.81.in-addr.arpa	0
81.187.23.241	241.23.187.81.in-addr.arpa	0
81.187.23.242	242.23.187.81.in-addr.arpa	0
81.187.23.243	243.23.187.81.in-addr.arpa	0
81.187.23.244	244.23.187.81.in-addr.arpa	0
81.187.23.245	245.23.187.81.in-addr.arpa	0
81.187.23.246	246.23.187.81.in-addr.arpa	0
81.187.23.247	247.23.187.81.in-addr.arpa	0
81.187.23.248	248.23.187.81.in-addr.arpa	0
81.187.23.249	249.23.187.81.in-addr.arpa	0
81.187.23.250	250.23.187.81.in-addr.arpa	0
81.187.23.251	251.23.187.81.in-addr.arpa	0
81.187.23.252	252.23.187.81.in-addr.arpa	0
81.187.23.253	253.23.187.81.in-addr.arpa	0
81.187.23.254	254.23.187.81.in-addr.arpa	0
81.187.23.255	255.23.187.81.in-addr.arpa	0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f3 81.187.23.162

traceroute to 81.187.23.162 (81.187.23.162): 64 hops max, 52 byte packets

3 [AS20712] 192.150.92.24 0.39 ms

4 [AS20712] 81.187.23.162 0.301 ms

Measurement taken from

IPinfo ProbeNet in London, GB

On October 9th 2025