81.159.100.0/24

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Summary

IP address summary information
ASN	AS2856 — British Telecommunications Limited
BGP Prefix	81.128.0.0/11
Pingable IPs	217
Routers	0


81.159.100.0	host81-159-100-0.range81-159.btcentralplus.com	0
81.159.100.1	host81-159-100-1.range81-159.btcentralplus.com	0
81.159.100.2	—	0
81.159.100.3	—	0
81.159.100.4	host81-159-100-4.range81-159.btcentralplus.com	0
81.159.100.5	host81-159-100-5.range81-159.btcentralplus.com	0
81.159.100.6	host81-159-100-6.range81-159.btcentralplus.com	0
81.159.100.7	host81-159-100-7.range81-159.btcentralplus.com	0
81.159.100.8	—	0
81.159.100.9	host81-159-100-9.range81-159.btcentralplus.com	0
81.159.100.10	host81-159-100-10.range81-159.btcentralplus.com	0
81.159.100.11	—	0
81.159.100.12	host81-159-100-12.range81-159.btcentralplus.com	0
81.159.100.13	—	0
81.159.100.14	—	0

Traceroute

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

$ traceroute -a -n -q1 -f4 81.159.100.197

traceroute to 81.159.100.197 (81.159.100.197): 64 hops max, 52 byte packets

4 [AS2856] 62.172.103.134 1.228 ms

5 *

6 *

7 [AS2856] 81.159.100.197 13.784 ms

Measurement taken from

IPinfo ProbeNet in London, GB

On August 28, 2026

Traceroute

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81.159.100.0/24

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81.159.100.0/24

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