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CIDR Range

136.40.0.0/14

Addresses
262,144
262.1K
Sub-ranges
50+
within this block
PTR Density
99.0%
259.6K of 262.1K 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.

78/100
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 136.40.0.0/14

CIDRIPsOrganizationASNCountry
136.42.128.0/17 32.8K Google Fiber Inc. AS16591 US
136.42.64.0/18 16.4K Google Fiber Inc. AS16591 US
136.40.96.0/19 8.2K Google Fiber Inc. AS16591 US
136.43.0.0/19 8.2K Google Fiber Inc. AS16591 US
136.42.32.0/19 8.2K Google Fiber Inc. AS16591 US
136.43.224.0/19 8.2K Google Fiber Inc. AS16591 US
136.40.128.0/19 8.2K Google Fiber Inc. AS16591 US
136.41.192.0/19 8.2K Google Fiber Inc. AS16591 US
136.41.160.0/19 8.2K Google Fiber Inc. AS16591 US
136.41.128.0/19 8.2K Google Fiber Inc. AS16591 US
136.41.96.0/19 8.2K Google Fiber Inc. AS16591 US
136.43.32.0/19 8.2K Google Fiber Inc. AS16591 US
136.41.32.0/19 8.2K Google Fiber Inc. AS16591 US
136.40.32.0/19 8.2K Google Fiber Inc. AS16591 US
136.43.160.0/19 8.2K Google Fiber Inc. AS16591 US
136.43.144.0/20 4.1K Google Fiber Inc. AS16591 US
136.43.192.0/20 4.1K Google Fiber Inc. AS16591 US
136.40.176.0/20 4.1K Google Fiber Inc. AS16591 US
136.40.192.0/20 4.1K Google Fiber Inc. AS16591 US
136.40.208.0/20 4.1K Google Fiber Inc. AS16591 US
136.43.208.0/20 4.1K Google Fiber Inc. AS16591 US
136.41.80.0/20 4.1K Google Fiber Inc. AS16591 US
136.41.224.0/20 4.1K Google Fiber Inc. AS16591 US
136.41.240.0/20 4.1K Google Fiber Inc. AS16591 US
136.40.0.0/20 4.1K Google Fiber Inc. AS16591 US
136.43.80.0/20 4.1K Google Fiber Inc. AS16591 US
136.43.96.0/20 4.1K Google Fiber Inc. AS16591 US
136.42.16.0/20 4.1K Google Fiber Inc. AS16591 US
136.41.16.0/20 4.1K Google Fiber Inc. AS16591 US
136.40.80.0/20 4.1K Google Fiber Inc. AS16591 US
136.43.112.0/20 4.1K Google Fiber Inc. AS16591 US
136.43.128.0/20 4.1K Google Fiber Inc. AS16591 US

First and last addresses in 136.40.0.0/14

136.40.0.0/14 runs from 136.40.0.0 to 136.43.255.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 136.32.0.0/11.

Announced prefix
Origin AS
Announcement samples
17,583
Last seen
2026-11-13 15:10:39

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — US

Frequently Asked Questions

What is 136.40.0.0/14?

136.40.0.0/14 is a CIDR network block containing 262,144 IPv4 addresses (from 136.40.0.0 to 136.43.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 136.40.0.0/14 network?

The 136.40.0.0/14 range is allocated to Google Fiber Inc. and announced via AS16591 from United States.

Last updated: 2026-11-13 15:24:05 UTC
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