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CIDR Range

100.150.255.64/26

64 IPs /26 T-Mobile USA, Inc. AS21928 United States ARIN
Addresses
64
64
IP Range
100.150.255.64
→ 100.150.255.127
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 64 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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 64 IP addresses in 100.150.255.64/26

100.150.255.64 100.150.255.65 100.150.255.66 100.150.255.67 100.150.255.68 100.150.255.69 100.150.255.70 100.150.255.71 100.150.255.72 100.150.255.73 100.150.255.74 100.150.255.75 100.150.255.76 100.150.255.77 100.150.255.78 100.150.255.79 100.150.255.80 100.150.255.81 100.150.255.82 100.150.255.83 100.150.255.84 100.150.255.85 100.150.255.86 100.150.255.87 100.150.255.88 100.150.255.89 100.150.255.90 100.150.255.91 100.150.255.92 100.150.255.93 100.150.255.94 100.150.255.95 100.150.255.96 100.150.255.97 100.150.255.98 100.150.255.99 100.150.255.100 100.150.255.101 100.150.255.102 100.150.255.103 100.150.255.104 100.150.255.105 100.150.255.106 100.150.255.107 100.150.255.108 100.150.255.109 100.150.255.110 100.150.255.111 100.150.255.112 100.150.255.113 100.150.255.114 100.150.255.115 100.150.255.116 100.150.255.117 100.150.255.118 100.150.255.119 100.150.255.120 100.150.255.121 100.150.255.122 100.150.255.123 100.150.255.124 100.150.255.125 100.150.255.126 100.150.255.127

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 100.128.0.0/9.

Announced prefix
100.128.0.0/9
Origin AS
AS21928
Announcement samples
4,077
Last seen
2026-07-23 10:03:03

Frequently Asked Questions

What is 100.150.255.64/26?

100.150.255.64/26 is a CIDR network block containing 64 IPv4 addresses (from 100.150.255.64 to 100.150.255.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 100.150.255.64/26 network?

The 100.150.255.64/26 range is allocated to T-Mobile USA, Inc. and announced via AS21928 from United States.

How many IP addresses are in 100.150.255.64/26?

100.150.255.64/26 contains exactly 64 usable IPv4 addresses. A /26 prefix length means 64 addresses are covered by this single routing entry.

Last updated: 2026-07-23 10:55:31 UTC
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