81.139.178.0/24

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Summary

IP address summary information
ASN	AS2856 — British Telecommunications Limited
BGP Prefix	81.128.0.0/12
Pingable IPs	5
Routers	6


81.139.178.0	host81-139-178-0.in-addr.btopenworld.com
81.139.178.1	host81-139-178-1.in-addr.btopenworld.com
81.139.178.2	host81-139-178-2.in-addr.btopenworld.com	Ping
81.139.178.3	host81-139-178-3.in-addr.btopenworld.com
81.139.178.4	host81-139-178-4.in-addr.btopenworld.com
81.139.178.5	host81-139-178-5.in-addr.btopenworld.com
81.139.178.6	host81-139-178-6.in-addr.btopenworld.com
81.139.178.7	host81-139-178-7.in-addr.btopenworld.com
81.139.178.8	host81-139-178-8.in-addr.btopenworld.com
81.139.178.9	host81-139-178-9.in-addr.btopenworld.com
81.139.178.10	host81-139-178-10.in-addr.btopenworld.com
81.139.178.11	host81-139-178-11.in-addr.btopenworld.com
81.139.178.12	host81-139-178-12.in-addr.btopenworld.com
81.139.178.13	host81-139-178-13.in-addr.btopenworld.com
81.139.178.14	host81-139-178-14.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 81.139.178.201

traceroute to 81.139.178.201 (81.139.178.201): 64 hops max, 52 byte packets

1 [AS15169] 74.125.251.219 188.509 ms

2 [AS2856] 109.159.253.218 189.068 ms

3 [AS2856] 213.121.193.24 189.896 ms

4 [AS2856] 109.159.255.47 190.178 ms

5 [AS2856] 217.32.25.97 189.912 ms

6 [AS2856] 81.139.178.201 207.61 ms

Measurement taken from

IPinfo ProbeNet in Sao Paulo, BR

On August 7, 2026

Traceroute

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81.139.178.0/24

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Traceroute

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81.139.178.0/24

Summary

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