81.221.16.0/24

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Summary

IP address summary information
ASN	AS1836 — green.ch AG
BGP Prefix	81.221.0.0/16
Pingable IPs	27
Routers	6


81.221.16.0	—	0
81.221.16.1	gateway.firestorm.ch	0
81.221.16.2	dns1.firestorm.ch	0
81.221.16.3	mail.firestorm.ch	0
81.221.16.4	net-zh-4.firestorm.ch	0
81.221.16.5	net-zh-5.firestorm.ch	0
81.221.16.6	net-zh-6.firestorm.ch	0
81.221.16.7	net-zh-7.firestorm.ch	0
81.221.16.8	8-16-221-81.static.dsl-net.ch	0
81.221.16.9	9-16-221-81.static.dsl-net.ch	0
81.221.16.10	10-16-221-81.static.dsl-net.ch	0
81.221.16.11	—	0
81.221.16.12	12-16-221-81.static.dsl-net.ch	0
81.221.16.13	13-16-221-81.static.dsl-net.ch	0
81.221.16.14	14-16-221-81.static.dsl-net.ch	0

Traceroute

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

$ traceroute -a -n -q1 -f3 81.221.16.149

traceroute to 81.221.16.149 (81.221.16.149): 64 hops max, 52 byte packets

3 [] 138.199.0.187 0.128 ms

4 [AS201011] 81.95.9.68 0.232 ms

5 [] 91.206.52.94 0.979 ms

6 [AS1836] 146.228.2.102 1.106 ms

7 [AS1836] 146.228.17.6 1.069 ms

8 [AS1836] 81.221.16.145 6.8 ms

9 [AS1836] 81.221.16.149 7.629 ms

Measurement taken from

IPinfo ProbeNet in Zuerich, CH

On July 12, 2026

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81.221.16.0/24

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81.221.16.0/24

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