81.137.189.0/24

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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


81.137.189.0	host81-137-189-0.in-addr.btopenworld.com	0
81.137.189.1	host81-137-189-1.in-addr.btopenworld.com	0
81.137.189.2	host81-137-189-2.in-addr.btopenworld.com	0
81.137.189.3	host81-137-189-3.in-addr.btopenworld.com	0
81.137.189.4	host81-137-189-4.in-addr.btopenworld.com	0
81.137.189.5	host81-137-189-5.in-addr.btopenworld.com	0
81.137.189.6	host81-137-189-6.in-addr.btopenworld.com	0
81.137.189.7	host81-137-189-7.in-addr.btopenworld.com	0
81.137.189.8	host81-137-189-8.in-addr.btopenworld.com	0
81.137.189.9	host81-137-189-9.in-addr.btopenworld.com	0
81.137.189.10	host81-137-189-10.in-addr.btopenworld.com	0
81.137.189.11	host81-137-189-11.in-addr.btopenworld.com	0
81.137.189.12	host81-137-189-12.in-addr.btopenworld.com	0
81.137.189.13	host81-137-189-13.in-addr.btopenworld.com	0
81.137.189.14	host81-137-189-14.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 -f4 81.137.189.157

traceroute to 81.137.189.157 (81.137.189.157): 64 hops max, 52 byte packets

4 [] 182.79.189.122 149.645 ms

5 [] 80.81.193.84 140.439 ms

6 [AS5400] 166.49.164.150 139.733 ms

7 [AS5400] 166.49.195.192 146.791 ms

8 [AS5400] 166.49.214.195 142.808 ms

9 [AS2856] 194.72.16.133 146.238 ms

10 [AS2856] 62.172.103.63 144.501 ms

11 [AS2856] 217.32.240.21 145.905 ms

12 [AS2856] 213.120.163.213 141.954 ms

13 [AS2856] 81.137.189.157 165.101 ms

Measurement taken from

IPinfo ProbeNet in Bengaluru, IN

On June 18, 2026

Traceroute

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81.137.189.0/24

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81.137.189.0/24

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