Home Prefix Lookup8.44.180.0/24

8.44.180.0/24 - CDNS (AS400571)

IPv4ARINannouncedAS400571CADENCE-ATL - CDNSNo ROA

CIDR

8.44.180.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

San Jose (North San Jose)

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
8.44.180.0/24	AS400571 CADENCE-ATL - CDNS	No ROA	-	2026-10-11

Covering Prefix

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
8.0.0.0/9	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-11
8.32.0.0/12	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-11

Transfer History

Registry transfers of 8.44.180.0/24, blocks inside it, or blocks containing it.

8.0.0.0/8M&A · 2018-02-20
Level 3 Communications, Inc.
🇺🇸 US ARIN
→
Level 3 Parent, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2018-02-20	8.0.0.0/8	Level 3 Communications, Inc. 🇺🇸 US ARIN	Level 3 Parent, LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS400571

CADENCE-ATL - CDNS

Related Prefixes

Covering prefix

8.32.0.0/12AS3356

More prefixes of AS400571

All prefixes of AS400571 →

Geolocation

Country🇺🇸United StatesUS

RegionCalifornia

CitySan Jose (North San Jose)

Coordinates37.3961, -121.9190 ↗

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/8.44.180.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/8.44.180.0/24" | jq

External Links

RIPEstat