81.150.1.0/24

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Summary

IP address summary information
ASN	AS2856 — British Telecommunications Limited
BGP Prefix	81.128.0.0/11
Pingable IPs	144
Routers	0


81.150.1.0	host81-150-1-0.in-addr.btopenworld.com
81.150.1.1	host81-150-1-1.in-addr.btopenworld.com	Ping
81.150.1.2	host81-150-1-2.in-addr.btopenworld.com
81.150.1.3	host81-150-1-3.in-addr.btopenworld.com
81.150.1.4	host81-150-1-4.in-addr.btopenworld.com
81.150.1.5	host81-150-1-5.in-addr.btopenworld.com
81.150.1.6	host81-150-1-6.in-addr.btopenworld.com
81.150.1.7	host81-150-1-7.in-addr.btopenworld.com
81.150.1.8	host81-150-1-8.in-addr.btopenworld.com
81.150.1.9	host81-150-1-9.in-addr.btopenworld.com	Ping
81.150.1.10	mail.sterling-a-m.com
81.150.1.11	host81-150-1-11.in-addr.btopenworld.com
81.150.1.12	host81-150-1-12.in-addr.btopenworld.com
81.150.1.13	host81-150-1-13.in-addr.btopenworld.com
81.150.1.14	host81-150-1-14.in-addr.btopenworld.com

Traceroute

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

$ traceroute -a -n -q1 -f4 81.150.1.220

traceroute to 81.150.1.220 (81.150.1.220): 64 hops max, 52 byte packets

4 [AS2856] 109.159.255.152 1.578 ms

5 [AS2856] 109.159.250.91 1.422 ms

6 [AS2856] 217.32.240.22 1.632 ms

7 [AS2856] 217.32.26.113 1.244 ms

8 [AS2856] 81.150.1.220 6.7 ms

Measurement taken from

IPinfo ProbeNet in London, GB

On August 7, 2026

Traceroute

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81.150.1.0/24

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81.150.1.0/24

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