Data as of Nov 8, 2026

204.51.64.0/18

No anonymizer space · no proxy exits in 30 days

Verizon Business

Announcement

this exact prefix

No RPKI

Announced by

AS701

Type

Internet provider

84% of it

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
204.51.64.0/18	16,384	TERRENAP-0-20	Verizon Business (MCICS) · US	Direct Allocation	Jun 9, 2009	abuse@verizon.com
└ 204.51.64.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.65.0/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.65.64/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.65.96/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.65.112/28	16	TERRENAP-0-18	unknown	—	—	—
└ 204.51.66.0/24	256	TERRENAP-0-18	unknown	—	—	—
└ 204.51.67.0/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.67.16/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.67.32/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.67.64/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.67.128/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.67.160/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.67.208/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.67.224/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.68.0/26	64	TERRENAP-0-20	unknown	—	—	—
└ 204.51.68.64/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.68.112/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.68.128/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.68.160/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.68.176/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.68.192/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.69.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.70.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.0/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.16/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.32/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.64/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.96/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.112/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.128/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.160/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.176/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.192/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.224/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.71.240/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.72.16/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.72.32/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.72.64/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.72.96/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.72.112/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.73.0/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.73.32/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.73.64/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.73.96/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.73.128/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.73.160/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.73.192/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.73.224/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.74.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.75.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.76.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.77.0/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.77.16/29	8	TERRENAP-0-20	unknown	—	—	—
└ 204.51.77.24/29	8	TERRENAP-0-20	unknown	—	—	—
└ 204.51.77.32/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.77.48/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.77.64/26	64	TERRENAP-0-20	unknown	—	—	—
└ 204.51.77.128/25	128	TERRENAP-0-20	unknown	—	—	—
└ 204.51.78.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.79.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.80.0/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.80.64/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.80.128/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.80.192/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.80.224/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.81.0/24	256	TERRENAP-0-19	unknown	—	—	—
└ 204.51.82.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.83.0/26	64	TERRENAP-0-20	unknown	—	—	—
└ 204.51.83.64/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.83.96/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.83.112/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.83.128/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.83.160/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.83.192/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.83.224/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.85.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.86.0/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.86.32/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.86.48/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.86.64/26	64	TERRENAP-0-20	unknown	—	—	—
└ 204.51.86.128/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.86.160/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.86.192/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.86.208/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.86.224/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.87.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.88.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.89.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.90.0/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.90.64/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.90.96/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.90.128/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.90.160/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.90.192/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.90.224/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.91.0/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.91.32/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.91.64/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.91.96/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.91.128/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.91.160/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.91.192/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.91.224/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.92.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.16/29	8	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.24/29	8	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.32/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.48/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.64/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.80/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.96/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.128/28	16	TERRENAP	unknown	—	—	—
└ 204.51.93.144/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.160/27	32	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.192/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.208/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.93.224/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.94.0/24	256	TERRENAP-0-20	unknown	—	—	—
└ 204.51.95.0/28	16	TERRENAP-0-20	unknown	—	—	—
└ 204.51.95.112/28	16	AVERYDENNISON-AS	unknown	—	—	—
└ 204.51.104.0/22	1,024	TERRENAP-0-20	unknown	—	—	—
└ 204.51.108.0/23	512	TERRENAP-0-20	unknown	—	—	—
└ 204.51.110.0/23	512	TERRENAP-0-20	unknown	—	—	—
└ 204.51.112.0/22	1,024	TERRENAP-0-20	unknown	—	—	—
└ 204.51.116.0/22	1,024	TERRENAP-0-20	unknown	—	—	—
└ 204.51.120.0/22	1,024	TERRENAP-0-20	unknown	—	—	—
└ 204.51.124.0/22	1,024	TERRENAP-0-20	unknown	—	—	—

Composition

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

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses

Type	Addresses	Share	Ranges
Internet provider	13,696	84%	27
Business	2,688	16%	103

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS701

Name: Verizon Business
Type: Internet provider
Registered: Aug 3, 1990
Domain: verizonbusiness.com
Website: www.verizon.com/business/
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

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	Nov 5, 2021

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
204.51.70.0/24	AS701	ARIN	MCI Communications Services, LLC d/b/a Verizon Business	MNT-MCICS	Nov 5, 2021
204.51.87.0/24	AS701	ARIN	MCI Communications Services, LLC d/b/a Verizon Business	MNT-MCICS	Nov 5, 2021
204.51.88.0/24	AS701	ARIN	MCI Communications Services, LLC d/b/a Verizon Business	MNT-MCICS	Nov 5, 2021
204.51.89.0/24	AS701	ARIN	MCI Communications Services, LLC d/b/a Verizon Business	MNT-MCICS	Nov 5, 2021

204.51.64.0/18

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS701

Who has announced this prefix

Routing history

History

Route objects on the exact prefix

Route objects inside

Registration for this announcement

Abuse contact