31.121.231.0/24

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Summary

IP address summary information
ASN	AS2856 — British Telecommunications Limited
BGP Prefix	31.121.0.0/16
Pingable IPs	133
Routers	55


31.121.231.0	—
31.121.231.1	—
31.121.231.2	—	Ping
31.121.231.3	ftip004933823.acc3.colindale.21cn-nte.bt.net	Ping
31.121.231.4	—	Ping
31.121.231.5	—	Ping
31.121.231.6	—	Ping
31.121.231.7	ftip007409424-ms-bk.acc3.birmingham.21cn-nte.bt.net
31.121.231.8	—	Ping
31.121.231.9	ftip004289531.acc3.colindale.ukcore.bt.net
31.121.231.10	—	Ping
31.121.231.11	ftip007409233.acc6.faraday.21cn-nte.bt.net
31.121.231.12	—	Ping
31.121.231.13	ftip007409066.acc5.faraday.21cn-nte.bt.net
31.121.231.14	—

Traceroute

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

$ traceroute -a -n -q1 -f4 31.121.231.8

traceroute to 31.121.231.8 (31.121.231.8): 64 hops max, 52 byte packets

4 [] 195.66.224.10 0.477 ms

5 [AS2856] 194.74.16.240 1.848 ms

6 [AS2856] 31.121.231.8 1.367 ms

Measurement taken from

IPinfo ProbeNet in London, GB

On July 21, 2026

Traceroute

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31.121.231.0/24

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31.121.231.0/24

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