81.187.50.0/24 IP Range

Summary

ASN	AS20712 Andrews & Arnold Ltd
BGP	81.187.0.0/16
IPs with RDNS	245
Hosted Domains	0
Pingable IPs	38
Router IPs	2


81.187.50.0	0.50.187.81.in-addr.arpa	0
81.187.50.1	1.50.187.81.in-addr.arpa	0
81.187.50.2	2.50.187.81.in-addr.arpa	0
81.187.50.3	3.50.187.81.in-addr.arpa	0
81.187.50.4	4.50.187.81.in-addr.arpa	0
81.187.50.5	81-187-50-5.ip4.reverse-dns.uk	0
81.187.50.6	6.50.187.81.in-addr.arpa	0
81.187.50.7	7.50.187.81.in-addr.arpa	0
81.187.50.8	8.50.187.81.in-addr.arpa	0
81.187.50.9	9.50.187.81.in-addr.arpa	0
81.187.50.10	10.50.187.81.in-addr.arpa	0
81.187.50.11	81-187-50-11.ip4.reverse-dns.uk	0
81.187.50.12	12.50.187.81.in-addr.arpa	0
81.187.50.13	13.50.187.81.in-addr.arpa	0
81.187.50.14	14.50.187.81.in-addr.arpa	0
81.187.50.15	15.50.187.81.in-addr.arpa	0
81.187.50.16	16.50.187.81.in-addr.arpa	0
81.187.50.17	81-187-50-17.ip4.reverse-dns.uk	0
81.187.50.18	18.50.187.81.in-addr.arpa	0
81.187.50.19	81-187-50-19.ip4.reverse-dns.uk	0
81.187.50.20	20.50.187.81.in-addr.arpa	0
81.187.50.21	21.50.187.81.in-addr.arpa	0
81.187.50.22	22.50.187.81.in-addr.arpa	0
81.187.50.23	23.50.187.81.in-addr.arpa	0
81.187.50.24	24.50.187.81.in-addr.arpa	0
81.187.50.25	25.50.187.81.in-addr.arpa	0
81.187.50.26	26.50.187.81.in-addr.arpa	0
81.187.50.27	27.50.187.81.in-addr.arpa	0
81.187.50.28	28.50.187.81.in-addr.arpa	0
81.187.50.29	29.50.187.81.in-addr.arpa	0
81.187.50.30	30.50.187.81.in-addr.arpa	0
81.187.50.31	31.50.187.81.in-addr.arpa	0
81.187.50.32	32.50.187.81.in-addr.arpa	0
81.187.50.33	33.50.187.81.in-addr.arpa	0
81.187.50.34	34.50.187.81.in-addr.arpa	0
81.187.50.35	35.50.187.81.in-addr.arpa	0
81.187.50.36	36.50.187.81.in-addr.arpa	0
81.187.50.37	81-187-50-37.ip4.reverse-dns.uk	0
81.187.50.38	81-187-50-38.ip4.reverse-dns.uk	0
81.187.50.39	39.50.187.81.in-addr.arpa	0
81.187.50.40	81-187-50-40.ip4.reverse-dns.uk	0
81.187.50.41	41.50.187.81.in-addr.arpa	0
81.187.50.42	42.50.187.81.in-addr.arpa	0
81.187.50.43	81-187-50-43.ip4.reverse-dns.uk	0
81.187.50.44	44.50.187.81.in-addr.arpa	0
81.187.50.45	81-187-50-45.ip4.reverse-dns.uk	0
81.187.50.46	81-187-50-46.ip4.reverse-dns.uk	0
81.187.50.47	81-187-50-47.ip4.reverse-dns.uk	0
81.187.50.48	81-187-50-48.ip4.reverse-dns.uk	0
81.187.50.49	49.50.187.81.in-addr.arpa	0
81.187.50.50	50.50.187.81.in-addr.arpa	0
81.187.50.51	81-187-50-51.ip4.reverse-dns.uk	0
81.187.50.52	52.50.187.81.in-addr.arpa	0
81.187.50.53	81-187-50-53.ip4.reverse-dns.uk	0
81.187.50.54	81-187-50-54.ip4.reverse-dns.uk	0
81.187.50.55	55.50.187.81.in-addr.arpa	0
81.187.50.56	56.50.187.81.in-addr.arpa	0
81.187.50.57	57.50.187.81.in-addr.arpa	0
81.187.50.58	81-187-50-58.ip4.reverse-dns.uk	0
81.187.50.59	59.50.187.81.in-addr.arpa	0
81.187.50.60	60.50.187.81.in-addr.arpa	0
81.187.50.61	61.50.187.81.in-addr.arpa	0
81.187.50.62	81-187-50-62.ip4.reverse-dns.uk	0
81.187.50.63	81-187-50-63.ip4.reverse-dns.uk	0
81.187.50.64	—	0
81.187.50.65	dhcp12.newtoncomputing.co.uk	0
81.187.50.66	dhcp13.newtoncomputing.co.uk	0
81.187.50.67	dhcp14.newtoncomputing.co.uk	0
81.187.50.68	dhcp15.newtoncomputing.co.uk	0
81.187.50.69	—	0
81.187.50.70	mail.newtoncomputing.co.uk	0
81.187.50.71	syncstore.newtoncomputing.co.uk	0
81.187.50.72	eduroam.newtoncomputing.uk	0
81.187.50.73	spamassassin.newtoncomputing.co.uk	0
81.187.50.74	cache.newtoncomputing.co.uk	0
81.187.50.75	webmail.newtoncomputing.co.uk	0
81.187.50.76	unifi.newtoncomputing.co.uk	0
81.187.50.77	ergo.newtoncomputing.co.uk	0
81.187.50.78	hop.newtoncomputing.co.uk	0
81.187.50.79	—	0
81.187.50.80	squeeze.newtoncomputing.co.uk	0
81.187.50.81	stream1.nlccl.org.uk	0
81.187.50.82	ezra.nlccl.org.uk	0
81.187.50.83	cam1.asd.me.uk	0
81.187.50.84	—	0
81.187.50.85	jenkins.newtoncomputing.co.uk	0
81.187.50.86	—	0
81.187.50.87	media.newtoncomputing.co.uk	0
81.187.50.88	—	0
81.187.50.89	—	0
81.187.50.90	dhcp7.newtoncomputing.co.uk	0
81.187.50.91	dhcp8.newtoncomputing.co.uk	0
81.187.50.92	dhcp9.newtoncomputing.co.uk	0
81.187.50.93	dhcp10.newtoncomputing.co.uk	0
81.187.50.94	dhcp11.newtoncomputing.co.uk	0
81.187.50.95	www.newtoncomputing.co.uk	0
81.187.50.96	ellipse.newtoncomputing.co.uk	0
81.187.50.97	dns2.newtoncomputing.co.uk	0
81.187.50.98	dns3.newtoncomputing.co.uk	0
81.187.50.99	dns.newtoncomputing.co.uk	0
81.187.50.100	—	0
81.187.50.101	elk.newtoncomputing.co.uk	0
81.187.50.102	—	0
81.187.50.103	emul.newtoncomputing.co.uk	0
81.187.50.104	emu.newtoncomputing.co.uk	0
81.187.50.105	fbd.newtoncomputing.co.uk	0
81.187.50.106	—	0
81.187.50.107	mini-wifi.newtoncomputing.co.uk	0
81.187.50.108	mini.newtoncomputing.uk	0
81.187.50.109	docker.newtoncomputing.uk	0
81.187.50.110	mcs.newtoncomputing.co.uk	0
81.187.50.111	fb-vip.newtoncomputing.co.uk	0
81.187.50.112	fb.newtoncomputing.co.uk	0
81.187.50.113	fb2.newtoncomputing.co.uk	0
81.187.50.114	pi.newtoncomputing.co.uk	0
81.187.50.115	squeezebox.newtoncomputing.co.uk	0
81.187.50.116	giraffe.newtoncomputing.co.uk	0
81.187.50.117	printer.lp.newtoncomputing.co.uk	0
81.187.50.118	edmund.newtoncomputing.co.uk	0
81.187.50.119	disks.newtoncomputing.co.uk	0
81.187.50.120	dhcp0.newtoncomputing.co.uk	0
81.187.50.121	dhcp1.newtoncomputing.co.uk	0
81.187.50.122	dhcp2.newtoncomputing.co.uk	0
81.187.50.123	dhcp3.newtoncomputing.co.uk	0
81.187.50.124	dhcp4.newtoncomputing.co.uk	0
81.187.50.125	dhcp5.newtoncomputing.co.uk	0
81.187.50.126	dhcp6.newtoncomputing.co.uk	0
81.187.50.127	—	0
81.187.50.128	81-187-50-128.ip4.reverse-dns.uk	0
81.187.50.129	129.50.187.81.in-addr.arpa	0
81.187.50.130	asterisk.barnwood.co.uk	0
81.187.50.131	gsm.barnwoodgroup.co.uk	0
81.187.50.132	81-187-50-132.ip4.reverse-dns.uk	0
81.187.50.133	133.50.187.81.in-addr.arpa	0
81.187.50.134	134.50.187.81.in-addr.arpa	0
81.187.50.135	135.50.187.81.in-addr.arpa	0
81.187.50.136	81-187-50-136.ip4.reverse-dns.uk	0
81.187.50.137	137.50.187.81.in-addr.arpa	0
81.187.50.138	138.50.187.81.in-addr.arpa	0
81.187.50.139	139.50.187.81.in-addr.arpa	0
81.187.50.140	140.50.187.81.in-addr.arpa	0
81.187.50.141	141.50.187.81.in-addr.arpa	0
81.187.50.142	81-187-50-142.ip4.reverse-dns.uk	0
81.187.50.143	143.50.187.81.in-addr.arpa	0
81.187.50.144	81-187-50-144.ip4.reverse-dns.uk	0
81.187.50.145	145.50.187.81.in-addr.arpa	0
81.187.50.146	81-187-50-146.ip4.reverse-dns.uk	0
81.187.50.147	147.50.187.81.in-addr.arpa	0
81.187.50.148	148.50.187.81.in-addr.arpa	0
81.187.50.149	81-187-50-149.ip4.reverse-dns.uk	0
81.187.50.150	150.50.187.81.in-addr.arpa	0
81.187.50.151	151.50.187.81.in-addr.arpa	0
81.187.50.152	152.50.187.81.in-addr.arpa	0
81.187.50.153	153.50.187.81.in-addr.arpa	0
81.187.50.154	154.50.187.81.in-addr.arpa	0
81.187.50.155	155.50.187.81.in-addr.arpa	0
81.187.50.156	81-187-50-156.ip4.reverse-dns.uk	0
81.187.50.157	81-187-50-157.ip4.reverse-dns.uk	0
81.187.50.158	158.50.187.81.in-addr.arpa	0
81.187.50.159	81-187-50-159.ip4.reverse-dns.uk	0
81.187.50.160	160.50.187.81.in-addr.arpa	0
81.187.50.161	81-187-50-161.ip4.reverse-dns.uk	0
81.187.50.162	162.50.187.81.in-addr.arpa	0
81.187.50.163	163.50.187.81.in-addr.arpa	0
81.187.50.164	81-187-50-164.ip4.reverse-dns.uk	0
81.187.50.165	165.50.187.81.in-addr.arpa	0
81.187.50.166	81-187-50-166.ip4.reverse-dns.uk	0
81.187.50.167	167.50.187.81.in-addr.arpa	0
81.187.50.168	168.50.187.81.in-addr.arpa	0
81.187.50.169	81-187-50-169.ip4.reverse-dns.uk	0
81.187.50.170	170.50.187.81.in-addr.arpa	0
81.187.50.171	81-187-50-171.ip4.reverse-dns.uk	0
81.187.50.172	81-187-50-172.ip4.reverse-dns.uk	0
81.187.50.173	173.50.187.81.in-addr.arpa	0
81.187.50.174	174.50.187.81.in-addr.arpa	0
81.187.50.175	175.50.187.81.in-addr.arpa	0
81.187.50.176	176.50.187.81.in-addr.arpa	0
81.187.50.177	81-187-50-177.ip4.reverse-dns.uk	0
81.187.50.178	81-187-50-178.ip4.reverse-dns.uk	0
81.187.50.179	81-187-50-179.ip4.reverse-dns.uk	0
81.187.50.180	81-187-50-180.ip4.reverse-dns.uk	0
81.187.50.181	81-187-50-181.ip4.reverse-dns.uk	0
81.187.50.182	182.50.187.81.in-addr.arpa	0
81.187.50.183	81-187-50-183.ip4.reverse-dns.uk	0
81.187.50.184	81-187-50-184.ip4.reverse-dns.uk	0
81.187.50.185	81-187-50-185.ip4.reverse-dns.uk	0
81.187.50.186	81-187-50-186.ip4.reverse-dns.uk	0
81.187.50.187	187.50.187.81.in-addr.arpa	0
81.187.50.188	188.50.187.81.in-addr.arpa	0
81.187.50.189	81-187-50-189.ip4.reverse-dns.uk	0
81.187.50.190	81-187-50-190.ip4.reverse-dns.uk	0
81.187.50.191	191.50.187.81.in-addr.arpa	0
81.187.50.192	192.50.187.81.in-addr.arpa	0
81.187.50.193	81-187-50-193.ip4.reverse-dns.uk	0
81.187.50.194	81-187-50-194.ip4.reverse-dns.uk	0
81.187.50.195	195.50.187.81.in-addr.arpa	0
81.187.50.196	81-187-50-196.ip4.reverse-dns.uk	0
81.187.50.197	197.50.187.81.in-addr.arpa	0
81.187.50.198	198.50.187.81.in-addr.arpa	0
81.187.50.199	81-187-50-199.ip4.reverse-dns.uk	0
81.187.50.200	81-187-50-200.ip4.reverse-dns.uk	0
81.187.50.201	201.50.187.81.in-addr.arpa	0
81.187.50.202	202.50.187.81.in-addr.arpa	0
81.187.50.203	203.50.187.81.in-addr.arpa	0
81.187.50.204	204.50.187.81.in-addr.arpa	0
81.187.50.205	81-187-50-205.ip4.reverse-dns.uk	0
81.187.50.206	206.50.187.81.in-addr.arpa	0
81.187.50.207	207.50.187.81.in-addr.arpa	0
81.187.50.208	81-187-50-208.ip4.reverse-dns.uk	0
81.187.50.209	209.50.187.81.in-addr.arpa	0
81.187.50.210	210.50.187.81.in-addr.arpa	0
81.187.50.211	211.50.187.81.in-addr.arpa	0
81.187.50.212	212.50.187.81.in-addr.arpa	0
81.187.50.213	213.50.187.81.in-addr.arpa	0
81.187.50.214	81-187-50-214.ip4.reverse-dns.uk	0
81.187.50.215	215.50.187.81.in-addr.arpa	0
81.187.50.216	216.50.187.81.in-addr.arpa	0
81.187.50.217	81-187-50-217.ip4.reverse-dns.uk	0
81.187.50.218	218.50.187.81.in-addr.arpa	0
81.187.50.219	81-187-50-219.ip4.reverse-dns.uk	0
81.187.50.220	81-187-50-220.ip4.reverse-dns.uk	0
81.187.50.221	221.50.187.81.in-addr.arpa	0
81.187.50.222	81-187-50-222.ip4.reverse-dns.uk	0
81.187.50.223	223.50.187.81.in-addr.arpa	0
81.187.50.224	224.50.187.81.in-addr.arpa	0
81.187.50.225	81-187-50-225.ip4.reverse-dns.uk	0
81.187.50.226	226.50.187.81.in-addr.arpa	0
81.187.50.227	81-187-50-227.ip4.reverse-dns.uk	0
81.187.50.228	81-187-50-228.ip4.reverse-dns.uk	0
81.187.50.229	81-187-50-229.ip4.reverse-dns.uk	0
81.187.50.230	81-187-50-230.ip4.reverse-dns.uk	0
81.187.50.231	231.50.187.81.in-addr.arpa	0
81.187.50.232	81-187-50-232.ip4.reverse-dns.uk	0
81.187.50.233	233.50.187.81.in-addr.arpa	0
81.187.50.234	234.50.187.81.in-addr.arpa	0
81.187.50.235	235.50.187.81.in-addr.arpa	0
81.187.50.236	81-187-50-236.ip4.reverse-dns.uk	0
81.187.50.237	237.50.187.81.in-addr.arpa	0
81.187.50.238	238.50.187.81.in-addr.arpa	0
81.187.50.239	239.50.187.81.in-addr.arpa	0
81.187.50.240	240.50.187.81.in-addr.arpa	0
81.187.50.241	81-187-50-241.ip4.reverse-dns.uk	0
81.187.50.242	242.50.187.81.in-addr.arpa	0
81.187.50.243	81-187-50-243.ip4.reverse-dns.uk	0
81.187.50.244	244.50.187.81.in-addr.arpa	0
81.187.50.245	81-187-50-245.ip4.reverse-dns.uk	0
81.187.50.246	81-187-50-246.ip4.reverse-dns.uk	0
81.187.50.247	247.50.187.81.in-addr.arpa	0
81.187.50.248	248.50.187.81.in-addr.arpa	0
81.187.50.249	249.50.187.81.in-addr.arpa	0
81.187.50.250	250.50.187.81.in-addr.arpa	0
81.187.50.251	251.50.187.81.in-addr.arpa	0
81.187.50.252	252.50.187.81.in-addr.arpa	0
81.187.50.253	253.50.187.81.in-addr.arpa	0
81.187.50.254	254.50.187.81.in-addr.arpa	0
81.187.50.255	255.50.187.81.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 81.187.50.10

traceroute to 81.187.50.10 (81.187.50.10): 64 hops max, 52 byte packets

3 [AS20712] 192.150.92.24 0.219 ms

4 [AS20712] 192.150.92.47 0.303 ms

5 [AS20712] 81.187.50.10 5.62 ms

Measurement taken from

IPinfo ProbeNet in London, GB

On October 3rd 2025