Home Prefix Lookup173.75.128.0/19

173.75.128.0/19 - Verizon Business (AS701)

IPv4ARINannouncedAS701UUNET - Verizon Business RPKI Valid

CIDR

173.75.128.0/19

IP Version

IPv4

Addresses

8.1K

Mask

/19 (255.255.224.0)

Country

🇺🇸 United States

City

Washington D.C.

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
173.75.128.0/19	AS701 UUNET - Verizon Business	Valid	ARIN	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
173.75.128.0/19	AS701	/19	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS701	ARIN	MNT-MCICS	-

Transfer History

Registry transfers of 173.75.128.0/19, blocks inside it, or blocks containing it.

173.64.0.0/12M&A · 2016-05-17
Verizon Online LLC
🇺🇸 US ARIN
→
MCI Communications Services, Inc. d/b/a Verizon Business
🇺🇸 US ARIN

Date	Resource	From	To	Type
2016-05-17	173.64.0.0/12	Verizon Online LLC 🇺🇸 US ARIN	MCI Communications Services, Inc. d/b/a Verizon Business 🇺🇸 US ARIN	M&A

Origin ASN

AS701

UUNET - Verizon Business

Related Prefixes

More prefixes of AS701

All prefixes of AS701 →

Geolocation

Country🇺🇸United StatesUS

RegionDistrict of Columbia

CityWashington D.C.

Coordinates38.9072, -77.0369 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/173.75.128.0/19

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/173.75.128.0/19" | jq

External Links

RIPEstat