Home Prefix Lookup174.87.128.0/18

174.87.128.0/18 - BGP Prefix (MOAS)

IPv4ARINannouncedMOAS RPKI Valid

CIDR

174.87.128.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇺🇸 United States

City

Atascadero

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

2 of 2 routes

MOAS - 2 origin ASNs

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
174.87.128.0/18	AS20115 CHARTER-20115 - Charter Communications LLC	Valid	-	2026-10-12
174.87.128.0/18	AS22516 CHARTER-22516-CENTRAL-CA-C3 - Charter Communications LLC	Valid	ARIN	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
174.87.128.0/18	AS20115	/18	arin
174.87.128.0/18	AS22516	/18	arin
174.80.0.0/13	AS0	/13	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS22516	ARIN	MNT-CC-3518	2025-09-05

Transfer History

Registry transfers of 174.87.128.0/18, blocks inside it, or blocks containing it.

174.80.0.0/13M&A · 2018-11-16
BRIGHT HOUSE NETWORKS, LLC
🇺🇸 US ARIN
→
Charter Communications, Inc
🇺🇸 US ARIN

Date	Resource	From	To	Type
2018-11-16	174.80.0.0/13	BRIGHT HOUSE NETWORKS, LLC 🇺🇸 US ARIN	Charter Communications, Inc 🇺🇸 US ARIN	M&A

Origin ASNs (2)

AS20115MOAS

CHARTER-20115 - Charter Communications LLC

AS22516MOAS

CHARTER-22516-CENTRAL-CA-C3 - Charter Communications LLC

Geolocation

Country🇺🇸United StatesUS

RegionCalifornia

CityAtascadero

Coordinates35.4900, -120.6700 ↗

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/174.87.128.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/174.87.128.0/18" | jq

External Links

RIPEstat