asn.dev

Autonomous system

AS203273 NETCRAFTERSOUE

Unclassified Spamhaus ASN-DROP RIPE

IPv4 addresses 44.29K 103 prefixes
IPv6 prefixes 3 counted as prefixes, not addresses
Countries 1 mostly EE
Exchanges 0 recorded by PCH
Upstreams 12 0 downstream
Flagged prefixes 0 none

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

12 upstream, 0 downstream and 18 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS30823aurologic GmbH6,512
AS6939Hurricane Electric LLC2,216
AS207208MEVSPACE sp. z o.o.776
AS9002RETN Limited654
AS31500Global Network Management Inc192
AS57304JSC "RetnNet"116
AS3356Level 3 Parent, LLC99
AS199599Telecom-Birzha, LLC62

All 12 upstreams →

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, 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 103 prefixes · 44.29K addresses IPv6 3 prefixes

CountryNamePrefixes
EEEstonia106

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS203273
Registry name
NetCraftersOU
Registrant
netcrafters-mnt
Abuse contact
abuse@netcrafters.host
Registered
2025-12-03
Last changed
2026-06-04
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 175 valid, 0 with no ROA
ROAs
178 authorising AS203273
ASPA
no ASPA record
IRR
97% registered · 169 of 175 announcements
Route objects
211 naming AS203273

Reputation

Classification and threat

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

Spamhaus DROP

On Spamhaus ASN-DROP Spamhaus lists this entire network (associated domain aeza.net) as controlled by, or hijacked for, cybercrime. Many operators null-route everything it originates.

2 DROP matches Announced space overlapping the DROP prefix list.

AnnouncedDROP entryRecord
147.45.45.0/24147.45.45.0/24SBL697563
185.99.98.0/24185.99.98.0/24SBL697580

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 431 networks and 1,768 prefixes, as published 2026-10-12. 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