103.139.131.0/25 CIDR Lookup — 128 IPs Owned…

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

Baseline (neutral) 65
Has a reverse-DNS (PTR) record +5
Trust score 70 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 103.139.131.0/25

CIDR	IPs	Organization	ASN	Country
103.139.131.96/27	32	Zayo Bandwidth	AS6461	AU
103.139.131.16/28	16	Zayo Bandwidth	AS6461	SG
103.139.131.32/28	16	Zayo Bandwidth	AS6461	AU
103.139.131.48/28	16	Zayo Bandwidth	AS6461	SG
103.139.131.64/28	16	Zayo Bandwidth	AS6461	SG
103.139.131.80/28	16	Zayo Bandwidth	AS6461	AU
103.139.131.0/29	8	Zayo Bandwidth	AS6461	AU
103.139.131.8/29	8	Zayo Bandwidth	AS6461	SG

Geolocation

All 128 IP addresses in 103.139.131.0/25

103.139.131.0 103.139.131.1 103.139.131.2 103.139.131.3 103.139.131.4 103.139.131.5 103.139.131.6 103.139.131.7 103.139.131.8 103.139.131.9 103.139.131.10 103.139.131.11 103.139.131.12 103.139.131.13 103.139.131.14 103.139.131.15 103.139.131.16 103.139.131.17 103.139.131.18 103.139.131.19 103.139.131.20 103.139.131.21 103.139.131.22 103.139.131.23 103.139.131.24 103.139.131.25 103.139.131.26 103.139.131.27 103.139.131.28 103.139.131.29 103.139.131.30 103.139.131.31 103.139.131.32 103.139.131.33 103.139.131.34 103.139.131.35 103.139.131.36 103.139.131.37 103.139.131.38 103.139.131.39 103.139.131.40 103.139.131.41 103.139.131.42 103.139.131.43 103.139.131.44 103.139.131.45 103.139.131.46 103.139.131.47 103.139.131.48 103.139.131.49 103.139.131.50 103.139.131.51 103.139.131.52 103.139.131.53 103.139.131.54 103.139.131.55 103.139.131.56 103.139.131.57 103.139.131.58 103.139.131.59 103.139.131.60 103.139.131.61 103.139.131.62 103.139.131.63 103.139.131.64 103.139.131.65 103.139.131.66 103.139.131.67 103.139.131.68 103.139.131.69 103.139.131.70 103.139.131.71 103.139.131.72 103.139.131.73 103.139.131.74 103.139.131.75 103.139.131.76 103.139.131.77 103.139.131.78 103.139.131.79 103.139.131.80 103.139.131.81 103.139.131.82 103.139.131.83 103.139.131.84 103.139.131.85 103.139.131.86 103.139.131.87 103.139.131.88 103.139.131.89 103.139.131.90 103.139.131.91 103.139.131.92 103.139.131.93 103.139.131.94 103.139.131.95 103.139.131.96 103.139.131.97 103.139.131.98 103.139.131.99 103.139.131.100 103.139.131.101 103.139.131.102 103.139.131.103 103.139.131.104 103.139.131.105 103.139.131.106 103.139.131.107 103.139.131.108 103.139.131.109 103.139.131.110 103.139.131.111 103.139.131.112 103.139.131.113 103.139.131.114 103.139.131.115 103.139.131.116 103.139.131.117 103.139.131.118 103.139.131.119 103.139.131.120 103.139.131.121 103.139.131.122 103.139.131.123 103.139.131.124 103.139.131.125 103.139.131.126 103.139.131.127

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 103.139.130.0/23.

Announced prefix

103.139.130.0/23

Origin AS

AS6461

Announcement samples

11,051

Last seen

2026-07-24 15:25:49

Frequently Asked Questions

What is 103.139.131.0/25?

103.139.131.0/25 is a CIDR network block containing 128 IPv4 addresses (from 103.139.131.0 to 103.139.131.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 103.139.131.0/25 network?

The 103.139.131.0/25 range is allocated to Zayo Bandwidth and announced via AS6461 from Australia.

How many IP addresses are in 103.139.131.0/25?

103.139.131.0/25 contains exactly 128 usable IPv4 addresses. A /25 prefix length means 128 addresses are covered by this single routing entry.