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WorldIP.io
CIDR Range

77.237.194.0/24

Addresses
256
256
Sub-ranges
50+
within this block
PTR Density
99.6%
255 of 256 IPs have PTR

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 77.237.194.0/24

CIDRIPsOrganizationASNCountry
77.237.194.128/27 32 TON Total optical Networks AG AS12387 CH
77.237.194.160/28 16 TON Total optical Networks AG AS12387 CH
77.237.194.112/28 16 TON Total optical Networks AG AS12387 CH
77.237.194.48/28 16 TON Total optical Networks AG AS12387 CH
77.237.194.192/28 16 TON Total optical Networks AG AS12387 CH
77.237.194.0/29 8 TON Total optical Networks AG AS12387 CH
77.237.194.40/29 8 TON Total optical Networks AG AS12387 CH
77.237.194.208/29 8 TON Total optical Networks AG AS12387 CH
77.237.194.176/29 8 TON Total optical Networks AG AS12387 CH
77.237.194.80/29 8 TON Total optical Networks AG AS12387 CH
77.237.194.248/29 8 TON Total optical Networks AG AS12387 CH
77.237.194.16/29 8 TON Total optical Networks AG AS12387 CH
77.237.194.104/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.88/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.240/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.12/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.220/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.68/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.188/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.24/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.32/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.224/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.232/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.96/30 4 TON Total optical Networks AG AS12387 CH
77.237.194.236/31 2 TON Total optical Networks AG AS12387 CH
77.237.194.110/31 2 TON Total optical Networks AG AS12387 CH
77.237.194.228/31 2 TON Total optical Networks AG AS12387 CH
77.237.194.246/31 2 TON Total optical Networks AG AS12387 CH
77.237.194.186/31 2 TON Total optical Networks AG AS12387 CH
77.237.194.218/31 2 TON Total optical Networks AG AS12387 CH
77.237.194.102/31 2 TON Total optical Networks AG AS12387 CH
77.237.194.78/31 2 TON Total optical Networks AG AS12387 CH

Geolocation

First and last addresses in 77.237.194.0/24

77.237.194.0/24 runs from 77.237.194.0 to 77.237.194.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 77.237.192.0/19.

Announced prefix
Origin AS
Announcement samples
13,365
Last seen
2026-11-13 08:23:17

Frequently Asked Questions

What is 77.237.194.0/24?

77.237.194.0/24 is a CIDR network block containing 256 IPv4 addresses (from 77.237.194.0 to 77.237.194.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 77.237.194.0/24 network?

The 77.237.194.0/24 range is allocated to TON Total optical Networks AG and announced via AS12387 from Switzerland.

How many IP addresses are in 77.237.194.0/24?

77.237.194.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-11-13 08:54:05 UTC
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