Data as of Nov 11, 2026

63.48.0.0/12

No anonymizer space

Verizon Business

Announcement

this exact prefix

RPKI valid

Announced by

AS701

Type

Internet provider

75% of it

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder
63.54.0.0/15 since Sep 2022	AS22394	Mobile	Verizon Business
63.58.0.0/16 since Aug 2022	AS22394	Mobile	Verizon Business
63.59.0.0/16 since Aug 2022	AS22394	Mobile	Verizon Business

Composition

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

Announced space

Address share

Announced space

Types across the prefix

1,048,576 addresses

Type	Addresses	Share	Ranges
Internet provider	786,432	75%	3
Mobile	262,144	25%	3

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern: Stable
First seen: May 2005
Current origin since: May 2005 · 22 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
63.48.0.0/12	AS701	/12	ARIN	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS701	ARIN	MCI Communications Services, LLC d/b/a Verizon Business	MNT-MCICS	Oct 29, 2021

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
63.62.0.0/16	AS6167	ARIN	Verizon Business	MNT-MCICS	Oct 1, 2026