Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS3373

Announcement observedARIN

Verizon Business · MCI-ASN

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/29/2026, 10:32:35Snapshot expired

View network topology RDAP registration

ASN: AS3373
Registration country: United States
Name: Verizon Business
Abbreviation: MCI-ASN
Registration date: 1/6/1994, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
153.39.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Verizon Business
RIR: ARIN
Registration country: United States
Registration date: 1/6/1994, 05:00:00
Abuse contact: abuse@verizon.com

Snapshot trend

9/29/2026, 10:32:351 v40 v61 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn