Data as of Nov 12, 2026

151.181.32.0/23

No anonymizer space · no proxy exits in 30 days

Crown Castle Fiber LLC · space held by Zayo Bandwidth

Announcement

this exact prefix

No RPKI

Announced by

AS46887

Type

Hosting

50% of it

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
151.181.32.0/19 since Dec 2018	AS46887	Internet provider	38 3 always on	Zayo Bandwidth

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
151.181.32.0/24 since May 2020	AS16657	Hosting	Zayo Bandwidth

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
151.181.32.0 - 151.181.95.255	16,384	ZAYO-CCF-151-181-32-0	Zayo Bandwidth (ZAYOB) · US	Direct Allocation	Dec 20, 2013	abuse@zayo.com
└ 151.181.32.0/24	256	HOT-SITE-DATA-CENTER	Hot Site Data Center (C05211116) · US	Reassigned	Aug 6, 2014	abuse@zayo.com via ZAYO-CCF-151-181-32-0
└ 151.181.33.72/29	8	LTF--151-181-33-72-29	unknown	—	—	—
└ 151.181.33.120/29	8	LTF--151-181-33-120-29	unknown	—	—	—
└ 151.181.33.128/26	64	NET-151-181-33-128-26	unknown	—	—	—

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

512 addresses

Type	Addresses	Share	Ranges
Hosting	256	50%	1
Internet provider	256	50%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Stable
First seen: Sep 2021
Current origin since: Sep 2021 · 5.1 yr
Origin networks: 1