81.137.163.0/24

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Summary

IP address summary information
ASN	AS2856 — British Telecommunications Limited
BGP Prefix	81.128.0.0/12
Pingable IPs	8
Routers	0


81.137.163.0	host81-137-163-0.in-addr.btopenworld.com	0
81.137.163.1	mail.whdavis.co.uk	0
81.137.163.2	host81-137-163-2.in-addr.btopenworld.com	0
81.137.163.3	host81-137-163-3.in-addr.btopenworld.com	0
81.137.163.4	host81-137-163-4.in-addr.btopenworld.com	0
81.137.163.5	host81-137-163-5.in-addr.btopenworld.com	0
81.137.163.6	host81-137-163-6.in-addr.btopenworld.com	0
81.137.163.7	host81-137-163-7.in-addr.btopenworld.com	0
81.137.163.8	host81-137-163-8.in-addr.btopenworld.com	0
81.137.163.9	host81-137-163-9.in-addr.btopenworld.com	0
81.137.163.10	host81-137-163-10.in-addr.btopenworld.com	0
81.137.163.11	host81-137-163-11.in-addr.btopenworld.com	0
81.137.163.12	host81-137-163-12.in-addr.btopenworld.com	0
81.137.163.13	host81-137-163-13.in-addr.btopenworld.com	0
81.137.163.14	host81-137-163-14.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 81.137.163.46

traceroute to 81.137.163.46 (81.137.163.46): 64 hops max, 52 byte packets

2 [AS174] 38.88.224.147 1.752 ms

3 *

4 [AS174] 154.54.43.13 3.108 ms

5 [AS174] 154.54.5.153 20.719 ms

6 [AS174] 154.54.163.205 29.369 ms

7 [AS174] 154.54.95.110 38.802 ms

8 [AS174] 154.54.166.74 48.594 ms

9 [AS174] 154.54.7.130 53.289 ms

10 [AS174] 154.54.162.170 62.366 ms

11 [AS174] 154.54.3.126 62.765 ms

12 [AS174] 154.54.11.10 62.602 ms

13 [AS5400] 166.49.208.93 147.842 ms

14 [AS5400] 166.49.214.195 143.402 ms

15 [AS2856] 194.74.16.214 147.497 ms

16 *

17 [AS2856] 217.32.25.89 147.338 ms

18 [AS2856] 81.137.163.46 150.911 ms

Measurement taken from

IPinfo ProbeNet in San Jose, US

On June 18, 2026

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81.137.163.0/24

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81.137.163.0/24

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