81.137.152.0/24

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Summary

IP address summary information
ASN	AS2856 — British Telecommunications Limited
BGP Prefix	81.128.0.0/12
Pingable IPs	1
Routers	0


81.137.152.0	host81-137-152-0.in-addr.btopenworld.com	0
81.137.152.1	host81-137-152-1.in-addr.btopenworld.com	0
81.137.152.2	host81-137-152-2.in-addr.btopenworld.com	0
81.137.152.3	host81-137-152-3.in-addr.btopenworld.com	0
81.137.152.4	host81-137-152-4.in-addr.btopenworld.com	0
81.137.152.5	host81-137-152-5.in-addr.btopenworld.com	0
81.137.152.6	host81-137-152-6.in-addr.btopenworld.com	0
81.137.152.7	host81-137-152-7.in-addr.btopenworld.com	0
81.137.152.8	host81-137-152-8.in-addr.btopenworld.com	0
81.137.152.9	host81-137-152-9.in-addr.btopenworld.com	0
81.137.152.10	host81-137-152-10.in-addr.btopenworld.com	0
81.137.152.11	host81-137-152-11.in-addr.btopenworld.com	0
81.137.152.12	host81-137-152-12.in-addr.btopenworld.com	0
81.137.152.13	host81-137-152-13.in-addr.btopenworld.com	0
81.137.152.14	host81-137-152-14.in-addr.btopenworld.com	0

Traceroute

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

$ traceroute -a -n -q1 -f2 81.137.152.174

traceroute to 81.137.152.174 (81.137.152.174): 64 hops max, 52 byte packets

2 [AS60068] 185.229.189.234 21.057 ms

3 [] 169.150.194.193 34.25 ms

4 [AS60068] 185.229.188.17 40.664 ms

5 [AS60068] 185.229.189.59 38.356 ms

6 [AS2856] 194.74.16.214 42.896 ms

7 [AS2856] 109.159.255.35 42.798 ms

8 [AS2856] 217.32.240.19 40.613 ms

9 [AS2856] 213.120.163.241 38.695 ms

10 [AS2856] 81.137.152.174 48.824 ms

Measurement taken from

IPinfo ProbeNet in Bucharest, RO

On August 7, 2026

Traceroute

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81.137.152.0/24

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81.137.152.0/24

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