asn.dev

Autonomous system

AS8345 DSI-IAS JSC "ER-Telecom Holding"

Unclassified APNIC

IPv4 addresses 20.99K 13 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly RU
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

Delovaya Set - Irkutsk (DSI, ER-Telecom)

Russia · AI-generated

business isp legacy

DSI-IAS — the network of Delovaya Set – Irkutsk ("Business Network Irkutsk", dsi.ru), a Siberian operator that is now part of JSC ER-Telecom Holding, the group behind the Dom.ru brand. The RIPE holder field shows the parent; the network on the wire is still DSI's.

What it's used for

  • Connectivity for organisations across Irkutsk Oblast. Customer addresses resolve as IP-ADDR-irk.cust.dsi.ru and IP-ADDR-ang.cust.dsi.ru — static, per-customer names tagged by city (Irkutsk, Angarsk), with backbone routers as r-CITY-sc.dsi.ru.

Notable

  • Despite the parent being a large consumer ISP, this AS looks like a business access network, not an eyeball one: roughly 21k addresses, no pool-, dyn- or pppoe- subscriber naming anywhere in the rDNS, and DSI is marketed inside the group as a Dom.ru Business asset. ER-Telecom's residential subscribers ride other ASNs.
  • A good example of why a subsidiary should not inherit its parent's kind.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS51034JSC "ER-Telecom Holding"1,244

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-06, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 13 prefixes · 20.99K addresses IPv6 0 prefixes

CountryNamePrefixes
RURussian Federation13

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
AS8345
Registry name
DSI-IAS
Registrant
JSC "ER-Telecom Holding"
Abuse contact
abuse@domru.ru
Registered
2002-01-10
Last changed
2024-02-13
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 21 with no ROA
ROAs
0 authorising AS8345
ASPA
no ASPA record
IRR
100% registered · 21 of 21 announcements
Route objects
13 naming AS8345

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 454 networks and 1,854 prefixes, as published 2026-11-06. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check