Home Prefix Lookup37.157.208.0/20

37.157.208.0/20 - BGP Prefix

IPv4RIPE NCCallocated RPKI Valid

CIDR

37.157.208.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇦🇲 Armenia

City

Yerevan

RIR

RIPE NCC

Status

allocated

Allocated

2012-03-15

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

15 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
37.157.208.0/24	AS42688 ArCa Armenian Card (ArCa) CJSC	Valid	-	2026-10-11
37.157.209.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.210.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.212.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.213.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.214.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.215.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.216.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.217.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.218.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.219.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.220.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.221.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.222.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11
37.157.223.0/24	AS44395 ORG-UL31-RIPE Ucom CJSC	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
37.157.208.0/20	AS44395	/20	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS49363	RIPE	MNT-UCOM	2026-05-25

More Specific Prefixes

Prefix	AS	Country	Status
37.157.208.0/24	AS42688	🇦🇲AM	assigned
37.157.211.0/24		🇦🇲AM	assigned

Transfer History

Registry transfers of 37.157.208.0/20, blocks inside it, or blocks containing it.

37.157.208.0/20M&A · 2020-10-14
Ucom LLC
RIPE NCC
→
Ucom CJSC
RIPE NCC

Date	Resource	From	To	Type
2020-10-14	37.157.208.0/20	Ucom LLC RIPE NCC	Ucom CJSC RIPE NCC	M&A

Geolocation

Country🇦🇲ArmeniaAM

RegionYerevan

CityYerevan

Coordinates40.1940, 44.5616 ↗

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 RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/37.157.208.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/37.157.208.0/20" | jq

External Links

RIPEstat