Home Prefix Lookup209.145.48.0/20

209.145.48.0/20 - Contabo (AS40021)

IPv4ARINallocatedAS40021CONTABO-40021 - Contabo Inc. RPKI Valid

CIDR

209.145.48.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇺🇸 United States

City

St Louis (Downtown)

RIR

ARIN

Status

allocated

Allocated

2021-08-26

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
209.145.48.0/20	AS40021 CONTABO-40021 - Contabo Inc.	Valid	ARINOther IRR	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
209.145.48.0/20	AS40021	/20	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS40021	ARIN	MNT-CONTA-48	2023-07-20
AS51167	ARIN	MNT-CONTA-48	2023-07-19
AS40021	Other IRR	MAINT-AS51167	2023-11-13

Transfer History

Registry transfers of 209.145.48.0/20, blocks inside it, or blocks containing it.

209.145.48.0/20Transfer · 2021-08-26
RiverCity Internet Group, L.L.C.
🇺🇸 US ARIN
→
Contabo Inc.
🇺🇸 US ARIN
209.145.32.0/19M&A · 2021-08-16
World Internet Services
🇺🇸 US ARIN
→
RiverCity Internet Group, L.L.C.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2021-08-26	209.145.48.0/20	RiverCity Internet Group, L.L.C. 🇺🇸 US ARIN	Contabo Inc. 🇺🇸 US ARIN	Transfer
2021-08-16	209.145.32.0/19	World Internet Services 🇺🇸 US ARIN	RiverCity Internet Group, L.L.C. 🇺🇸 US ARIN	M&A

Origin ASN

AS40021

CONTABO-40021 - Contabo Inc.

Related Prefixes

More prefixes of AS40021

All prefixes of AS40021 →

Geolocation

Country🇺🇸United StatesUS

RegionMissouri

CitySt Louis (Downtown)

Coordinates38.6327, -90.1961 ↗

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/209.145.48.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/209.145.48.0/20" | jq

External Links

RIPEstat