Skip to main content
WorldIP.io
Autonomous System

AS11359

Zayo Bandwidth

Announced IPs
2,304
CIDR prefixes
2
ASN
AS11359

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.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

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

About Zayo Group

Zayo Group, Inc. is a digital infrastructure company providing fiber-optic networks, high-capacity connectivity, and networking solutions to enterprises, hyperscalers, cloud and content providers, data centers, and telecommunications carriers worldwide.

Founded
2007
Headquarters
Denver
Industry
telecommunications company

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
216.222.64.0/21 2.0K
0.8%
Zayo Bandwidth US — —
216.222.72.0/24 256
0.0%
Zayo Bandwidth US — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS11359 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
216.222.66.0/24 20,544 2026-11-14 06:47:41
216.222.72.0/24 20,524 2026-11-14 06:47:41
216.222.67.0/24 20,506 2026-11-14 06:47:41
216.222.64.0/21 20,497 2026-11-14 06:47:41
216.222.65.0/24 20,487 2026-11-14 06:47:41

Frequently Asked Questions

What is AS11359?

AS11359 is an Autonomous System Number assigned to Zayo Bandwidth. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS11359 announce?

AS11359 announces 2.3K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS11359?

AS11359 is operated by Zayo Bandwidth. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS11359 registered in?

AS11359 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-14 08:24:04 UTC
Share