Data as of Nov 11, 2026

216.4.233.0/24

No anonymizer space · no proxy exits in 30 days

Avantguard Monitoring Centers · space held by Verizon Business

Announcement

this exact prefix

RPKI valid

Announced by

Type

Business

Risk

0 / 100 · Low

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	Holder	RPKI
216.4.0.0/15 since May 2005	AS2828	Internet provider	5	Verizon Business

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
216.0.0.0 - 216.5.255.255	393,216	ALGX-ABI-BLK15	Verizon Business (MCICS) · US	Direct Allocation	Jan 2, 2001	abuse@verizon.com
└ 216.4.233.0/24	256	NET-216-4-233-0-1	Avantguard Monitoring Centers (C10477932) · US	Reassigned	Nov 29, 2023	abuse@verizon.com via ALGX-ABI-BLK15

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

Routing timeline

Summary

Recorded history