asn.dev

Autonomous system

AS33911 TENNET

Unclassified ARIN

IPv4 addresses 3.58K 9 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly RO
Exchanges 0 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

Tennet Telecom SRL

Romania · AI-generated

hosting business residential

TENNET is the AS handle for Tennet Telecom SRL, a Romanian telecommunications provider.

What it's used for

  • The address space carries a mix of hosting and business services, evidenced by netnames such as HOSTEAZA, HZONE-SRL, and SC-STONET-COMPANY-SRL.
  • Reverse DNS entries include hosteaza.com, onlinestyle24.com, and persialegate.eu.com, indicating a portfolio of web hosting and domain services.
  • With 3584 IPv4 addresses announced across 9 prefixes and only 3 observed neighbours, the network functions as an access or hosting provider rather than a transit carrier.

Notable

  • Registrants vary across the inventory, including Tennet Telecom SRL, HZONE SRL, SC Fastweb SRL, and Digital Construction Network SRL, suggesting a multi-tenant or leased space arrangement.
  • The address inventory consists of nine IPv4 prefixes ranging from /23 to /24 blocks, with no IPv6 prefixes announced.
  • The network has been observed since 2004, indicating a long-standing presence in the Romanian routing table.

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 2 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS8708DIGI ROMANIA S.A.470
AS8953Orange Romania S.A.169

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 9 prefixes · 3.58K addresses IPv6 0 prefixes

CountryNamePrefixes
RORomania9

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS33911
Registry name
TENNET
Registrant
Tennet Telecom SRL
Abuse contact
abuse@tennet.ro
Registered
2004-09-03
Last changed
2020-01-27
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 11 valid, 0 with no ROA
ROAs
13 authorising AS33911
ASPA
no ASPA record
IRR
100% registered · 11 of 11 announcements
Route objects
16 naming AS33911

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: 440 networks and 1,773 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