Home Prefix Lookup198.176.121.0/24

198.176.121.0/24 - BGP Prefix (MOAS)

IPv4ARINannouncedMOAS RPKI Valid

CIDR

198.176.121.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇬🇧 United Kingdom

City

London

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
198.176.121.0/24	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	ARINOther IRR	2026-10-12
198.176.121.0/24	AS33820 REED-ELSEVIER-AS RELX GROUP PLC	Valid	ARINOther IRR	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
198.176.121.0/24	AS14618	/24	arin
198.176.121.0/24	AS16509	/24	arin
198.176.121.0/24	AS33820	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS16509	ARIN	MNT-REEDE-2	2022-10-31
AS14618	ARIN	MNT-REEDE-2	2022-10-31
AS33820	ARIN	MNT-REEDE-2	2026-07-09
AS16509	Other IRR	MAINT-AS16509	2023-11-13
AS33820	Other IRR	MAINT-AS16509	2026-07-13

Transfer History

Registry transfers of 198.176.121.0/24, blocks inside it, or blocks containing it.

198.176.120.0/21M&A · 2015-11-03
Matthew Bender
🇺🇸 US ARIN
→
REED ELSEVIER
🇺🇸 US ARIN

Date	Resource	From	To	Type
2015-11-03	198.176.120.0/21	Matthew Bender 🇺🇸 US ARIN	REED ELSEVIER 🇺🇸 US ARIN	M&A

Origin ASNs (2)

AS16509MOAS

AMAZON-02 - Amazon.com, Inc.

AS33820MOAS

REED-ELSEVIER-AS RELX GROUP PLC

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityLondon

Coordinates51.5072, -0.1276 ↗

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/198.176.121.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/198.176.121.0/24" | jq

External Links

RIPEstat