asn.dev

Autonomous system

AS12978 DSMART

Unclassified RIPE

IPv4 addresses 418K 136 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly TR
Exchanges 0 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

D-Smart

Turkey · AI-generated

isp media telecom

418,560 addresses and 139 announcements, reached through exactly two neighbours.

What it's used for

  • A Turkish digital television platform that also provides broadband internet. 418,560 addresses across 139 IPv4 prefixes, one IPv6 prefix, and two observed BGP neighbours.

Notable

  • Most sampled blocks carry the identical netname TR-DSMART-20080804.
  • Two others are TR-DSMART-20000427 and TR-DSMART-20110427.
  • All are registered to a network services contact alongside the parent company's full legal name.
  • The registry lookup for 94.120.192.0/18 failed, so nothing here describes that block's record.
  • Eighteen addresses were sampled and none returned a name.

Interesting

  • Two neighbours carrying 418,560 addresses is the most lopsided ratio in this range. Everything reaching nearly half a million subscribers arrives through two upstream relationships, which concentrates an entire consumer broadband base behind a pair of dependencies.
  • One netname repeated across most blocks means a single 2008 allocation that grew by acquiring adjacent space under the same record. Six /18s sharing one registration date is a very large amount of address space obtained at once, in the last years when that was still possible.
  • Two of the dates are the same day of the same month eleven years apart, which is coincidence worth noting only because it is the kind of pattern that looks meaningful and is not.
  • A television company holding a consumer ISP's worth of address space is the usual direction of convergence: the platform that already reaches homes adds internet, rather than an ISP adding television. The netnames name the broadcast entity, not the internet service.

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

2 upstream, 0 downstream and 3 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS34984Superonline Iletisim Hizmetleri A.S.6,861
AS9121Turk Telekomunikasyon Anonim Sirketi3,923

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-13, 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 136 prefixes · 418K addresses IPv6 1 prefixes

CountryNamePrefixes
TRTurkey137

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS12978
Registry name
DSMART
Registrant
AS12978-MNT
Abuse contact
netadmins@dsmart.com.tr
Registered
2001-11-22
Last changed
2022-06-27
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
99% valid · 181 valid, 0 with no ROA 2 RPKI-invalid
ROAs
312 authorising AS12978
ASPA
no ASPA record
IRR
99% registered · 181 of 183 announcements 2 other origin
Route objects
350 naming AS12978

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: 436 networks and 1,771 prefixes, as published 2026-10-13. 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