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AS numbers

AS51904 Utex-Telecom LLC

AS51904 is operated by Utex-Telecom LLC and registered with RIPE NCC (RU) since 2010-11-26.

It announces 2 IPv4 and 0 IPv6 prefixes, 0% of them RPKI valid.

RIPE RIS sees 7 upstream and peer networks and 4 downstream networks next to it.

PeeringDB lists it as a Cable/DSL/ISP network at 8 internet exchanges and 1 facility. Its peering policy is open.

NameUtex-Telecom LLC
Registry (RIR)RIPE NCC
CountryRussia (RU)
Delegated on2010-11-26
Network typeCable/DSL/ISP, Regional
Peering policyOpen
IRR as-setAS-UTEX
Prefixes (IPv4 / IPv6)2 / 0
RPKI valid0% (0 / 2)
Upstreams and peers7
Downstream networks4
Websiteutex.net

Routing health

  • AS51904 announces 2 IPv4 and 0 IPv6 prefixes.
  • No IPv6 prefixes announced.
  • 2 announced prefixes are not covered by a ROA of AS51904 (they may have none, or another network’s).
  • 7 upstreams and peers, 4 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 2

  • 91.132.104.0/22
  • 193.41.76.0/22

Upstreams and peers 7

The networks RIPE RIS sees next to AS51904 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 2 IPv4, 0 IPv6. PeeringDB record

Internet exchanges 8
ExchangePortsSpeedRoute server
MSK-IX Moscow: MSK-IX peering network110GYes
PITER-IX Frankfurt110GYes
PITER-IX Helsinki110GYes
PITER-IX Moscow: MSK_PEERING_VLAN110GYes
PITER-IX Riga: RIX_PEERING_VLAN110GYes
PITER-IX Rostov110GYes
PITER-IX Saint-Petersburg: SPB_PEERING_VLAN110GYes
PITER-IX Tallinn: TLL_PEERING VLAN110GYes
Facilities 1
FacilityCityCountry
Moscow M9MoscowRU

More about AS51904

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 07:23 UTC. The country is where the AS number was registered, not necessarily where the network operates.