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AS51570JSC "ER-Telecom Holding" Saint-Petersburg branch

RussiaRegistryRIPE NCCTypeEyeball

As of 11th November 2026, AS51570 (JSC "ER-Telecom Holding"…), an access network registered in Russia with RIPE NCC, originates 128 IPv4 prefixes covering 202k addresses and 5 IPv6 prefixes. By IPv4 address space that makes it the 1,343rd-largest of the 80,743 networks we see originating IPv4, and the 39th-largest of 4,983 in Russia. It is seen behind 1 upstream network, most often AS9049 (JSC "ER-Telecom Holding"). 4% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

128

IPv6 prefixes

5

IPv4 addresses

202k

IPv6 /64s

67.6M

Upstream graph

The networks AS51570 is seen behind, one and two hops out, drawn from real AS paths.

AS51570Toward the internet core
Upstream graph for AS51570: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS51570JSC "ER-Telecom H…This networkAS9049JSC "ER-Telecom H…AS1299Arelion (fka. Tel…AS57304RETN Russia

Networks observed one and two hops upstream of AS51570 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS51570
NetworkCountryRelationshipPathsVantage pts
AS9049JSC "ER-Telecom Holding"RUPeer10,043139

Prefixes

All 133

The largest blocks AS51570 originates, widest first.

Largest prefixes originated by AS51570
PrefixAddressesVisibility
188.187.0.0/1732.8k76/76
5.164.64.0/1816.4k76/76
5.16.32.0/198.2k76/76
5.16.64.0/198.2k76/76
5.3.176.0/204.1k76/76
5.16.112.0/204.1k76/76
5.166.128.0/204.1k76/76
5.167.176.0/204.1k76/76
5.167.192.0/204.1k76/76
109.195.80.0/204.1k76/76

Routing health

How AS51570's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid3.8%5
  • Invalid0.0%0
  • No ROA96.2%128

Propagation

  • Globally propagated90% of full-feed peers or more100.0%133
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 128 prefixes

IPv6 — 5 prefixes

  • /3867.1M × /6420.0%1
  • /47131k × /6480.0%4

Recent changes

Announcements that started or stopped since 12th Oct 2026.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.