Home Prefix Lookup2001:4870::/31

2001:4870::/31 - Level 3 Parent (AS3549)

IPv6ARINallocatedAS3549LVLT-3549 - Level 3 Parent, LLCNo ROA

CIDR

2001:4870::/31

IP Version

IPv6

Addresses

158456.3Y

Mask

/31

Country

🇺🇸 United States

City

Monroe

RIR

ARIN

Status

allocated

Allocated

2005-03-14

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:4870::/31	AS3549 LVLT-3549 - Level 3 Parent, LLC	No ROA	-	2026-10-12

More-Specific Announcements

3 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:4870:150::/44	AS21928 T-MOBILE-AS21928 - T-Mobile USA, Inc.	Valid	-	2026-10-12
2001:4870:a24a::/48	AS26402 SANTABARBARACITY - City of Santa Barbara	No ROA	-	2026-10-12
2001:4870:e00b::/48	AS21928 T-MOBILE-AS21928 - T-Mobile USA, Inc.	Valid	-	2026-10-12

Transfer History

Registry transfers of 2001:4870::/31, blocks inside it, or blocks containing it.

2001:4870::/31M&A · 2022-03-23
tw telecom holdings, inc.
🇺🇸 US ARIN
→
Level 3 Parent, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2022-03-23	2001:4870::/31	tw telecom holdings, inc. 🇺🇸 US ARIN	Level 3 Parent, LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS3549

LVLT-3549 - Level 3 Parent, LLC

Related Prefixes

More prefixes of AS3549

All prefixes of AS3549 →

Geolocation

Country🇺🇸United StatesUS

RegionLouisiana

CityMonroe

Coordinates32.5891, -92.0664 ↗

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/2001:4870::/31

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

curl -s "https://api.ipctl.io/v1/prefix/2001:4870::/31" | jq

External Links

RIPEstat