Home Prefix Lookup37.230.240.0/21

37.230.240.0/21 - (AS58272)

IPv4RIPE NCCallocatedAS58272No ROA

CIDR

37.230.240.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇷🇺 Russia

City

Moscow

RIR

RIPE NCC

Status

allocated

Allocated

2012-04-11

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

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

8 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
37.230.240.0/24	AS8901 GKU "Mosgortelecom"	No ROA	-	2026-10-12
37.230.241.0/24	AS56928 BIZNESFON-AS BIZNESFON LLC	No ROA	-	2026-10-12
37.230.242.0/24	AS200095 AGENTSTVO-E-AS AGENTSTVO-E Ltd	No ROA	-	2026-10-12
37.230.243.0/24	AS200095 AGENTSTVO-E-AS AGENTSTVO-E Ltd	No ROA	-	2026-10-12
37.230.244.0/24	AS51698 ACTIVEHOST-RU-AS "ActiveHost RU" LLC	No ROA	-	2026-10-12
37.230.245.0/24	AS31133 MF-MGSM-AS PJSC MegaFon	No ROA	-	2026-10-12
37.230.246.0/24	AS34597 SUNLIGHT-AS LLC "SUNLIGHT"	Valid	-	2026-10-12
37.230.247.0/24	AS42938 Gudauta-AS LLC Gudauta-net	Valid	-	2026-10-12

More Specific Prefixes

Prefix	AS	Country	Status
37.230.240.0/24	AS8901	🇷🇺RU	assigned
37.230.241.0/24	AS56928	🇷🇺RU	assigned
37.230.242.0/23	AS200095	🇷🇺RU	assigned
37.230.244.0/24	AS51698	🇷🇺RU	assigned
37.230.245.0/24	AS31133	🇷🇺RU	assigned
37.230.246.0/24	AS34597	🇷🇺RU	assigned
37.230.247.0/24	AS42938	🇷🇺RU	assigned

Transfer History

Registry transfers of 37.230.240.0/21, blocks inside it, or blocks containing it.

37.230.192.0/18Transfer · 2016-07-07
LeaderTelecom Ltd.
RIPE NCC
→
LeaderTelecom B.V.
RIPE NCC

Date	Resource	From	To	Type
2016-07-07	37.230.192.0/18	LeaderTelecom Ltd. RIPE NCC	LeaderTelecom B.V. RIPE NCC	Transfer

Origin ASN

AS58272

Related Prefixes

More prefixes of AS58272

All prefixes of AS58272 →

Geolocation

Country🇷🇺RussiaRU

CityMoscow

Coordinates55.7206, 37.6273 ↗

Abuse Contact

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/37.230.240.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/37.230.240.0/21" | jq

External Links

RIPEstat