Home ASN LookupAS51819

AS51819 YAR-AS JSC "ER-Telecom Holding"

🇷🇺

Org handle: ORG-RA21-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

56total

51 IPv45 IPv6

IPv4 Addresses

Allocated (RIR)27,136

Announced (BGP)82,944

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)1.2×10²⁷

Prefix Limit (IPv4)

200

Prefix Limit (IPv6)

Country

🇷🇺 RU

RIR

RIPE NCC

Status

allocated

Allocated

2010-11-10

Announced Prefixes

(BGP)56

Prefix	RPKI	IRR	Last Seen
5.3.28.0/24	No ROA	RIPE	2026-10-11
5.165.160.0/20	No ROA	RIPE	2026-10-11
5.165.168.0/22	No ROA	RIPE	2026-10-11
5.165.216.0/21	No ROA	RIPE	2026-10-11
5.165.216.0/22	No ROA	RIPE	2026-10-11
5.165.220.0/22	No ROA	RIPE	2026-10-11
5.166.0.0/19	No ROA	RIPE	2026-10-11
5.166.0.0/22	No ROA	RIPE	2026-10-11
5.166.4.0/22	No ROA	RIPE	2026-10-11
5.166.8.0/22	No ROA	RIPE	2026-10-11

1-10 of 56

1 / 6

Allocated Prefixes

(RIR)11

Prefix	Country	RIR	Status
5.3.28.0/24	🇷🇺 RU	RIPE	assigned
5.165.216.0/21	🇷🇺 RU	RIPE	assigned
37.113.72.0/21	🇷🇺 RU	RIPE	assigned
37.113.88.0/21	🇷🇺 RU	RIPE	assigned
37.113.240.0/21	🇷🇺 RU	RIPE	assigned
109.195.112.0/20	🇷🇺 RU	RIPE	assigned
176.212.48.0/21	🇷🇺 RU	RIPE	assigned
176.212.80.0/21	🇷🇺 RU	RIPE	assigned
176.214.64.0/19	🇷🇺 RU	RIPE	assigned
176.215.88.0/21	🇷🇺 RU	RIPE	assigned

1-10 of 11

1 / 2

All 56 announced prefixes of AS51819 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS51819 hands its own prefixes to: transit providers, or peers at an exchange.

AS9049ERTH TRANSIT JSC "ER Telecom Holding"56

ASPA

No ASPA

Abuse Contact

+31205354444

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS51819 should publish an ASPA object
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/51819

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/51819" | jq