Home Prefix Lookup2001:49c8:4000::/48

2001:49c8:4000::/48 - Department Of Interior United States Geological Survey (AS1842)

IPv6ARINannouncedAS1842USGS-AS - Department of Interior United States Geological SurveyNo ROA

CIDR

2001:49c8:4000::/48

IP Version

IPv6

Addresses

1.2Y

Mask

/48

Country

🇺🇸 United States

City

Denver

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
2001:49c8:4000::/48	AS1842 USGS-AS - Department of Interior United States Geological Survey	No ROA	-	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:49c8::/32	AS22284 AS22284-DOI-OPS - U.S. Department of the Interior	No ROA	-	2026-10-12

Transfer History

Registry transfers of 2001:49c8:4000::/48, blocks inside it, or blocks containing it.

2001:49c8::/32M&A · 2023-11-17
US Department of the Interior
🇺🇸 US ARIN
→
U.S. Department of the Interior
🇺🇸 US ARIN

Date	Resource	From	To	Type
2023-11-17	2001:49c8::/32	US Department of the Interior 🇺🇸 US ARIN	U.S. Department of the Interior 🇺🇸 US ARIN	M&A

Origin ASN

AS1842

USGS-AS - Department of Interior United States Geological Survey

Related Prefixes

Covering prefix

2001:49c8::/32AS22284

More prefixes of AS1842

All prefixes of AS1842 →

Geolocation

Country🇺🇸United StatesUS

RegionColorado

CityDenver

Coordinates39.7392, -104.9900 ↗

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/2001:49c8:4000::/48

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

curl -s "https://api.ipctl.io/v1/prefix/2001:49c8:4000::/48" | jq

External Links

RIPEstat