Home Prefix Lookup2001:1900::/32

2001:1900::/32 - Level 3 Parent (AS3356)

IPv6ARINallocatedAS3356LEVEL3 - Level 3 Parent, LLCNo ROA

CIDR

2001:1900::/32

IP Version

IPv6

Addresses

79228.1Y

Mask

/32

Country

🇺🇸 United States

City

New York

RIR

ARIN

Status

allocated

Allocated

2004-01-07

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:1900::/32	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12

More-Specific Announcements

23 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:1900:2007::/48	AS3549 LVLT-3549 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:201e::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2028::/48	AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:220a::/48	AS53670 COMTECH21-AEON-BOSTON - Prescient Worldwide	No ROA	-	2026-10-12
2001:1900:2219::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:222b::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2230::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2245::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2246::/48	AS4046 FAA - Federal Aviation Administration	No ROA	-	2026-10-12
2001:1900:2259::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:225d::/48	AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2260::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2268::/48	AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2275::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2284::/48	AS16491 VIASAT - ViaSat, Inc.	No ROA	-	2026-10-12
2001:1900:228a::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:22a2::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2811::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2815::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:2816::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:3012::/48	AS6086 INFOMAGIC - MagicNET, Inc	No ROA	-	2026-10-12
2001:1900:7904::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12
2001:1900:7b04::/48	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-12

Transfer History

Registry transfers of 2001:1900::/32, blocks inside it, or blocks containing it.

2001:1900::/32M&A · 2018-02-20
Level 3 Communications, Inc.
🇺🇸 US ARIN
→
Level 3 Parent, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2018-02-20	2001:1900::/32	Level 3 Communications, Inc. 🇺🇸 US ARIN	Level 3 Parent, LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS3356

LEVEL3 - Level 3 Parent, LLC

Related Prefixes

More prefixes of AS3356

All prefixes of AS3356 →

Geolocation

Country🇺🇸United StatesUS

RegionNew York

CityNew York

Coordinates40.7128, -74.0060 ↗

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/2001:1900::/32

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

curl -s "https://api.ipctl.io/v1/prefix/2001:1900::/32" | jq

External Links

RIPEstat