CRT

BGP inherited

Cluster stats

Netblocks	10
Registered in	Italy (5) · Germany (2) · United Kingdom (1) · Poland (1) · Russia (1)
All fragments	21 blocks across 11 clusters
Cluster ID	208799508
Registry	RIPE
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 10 shared RIR contact/maintainer handles
Registry names	3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON

10 0 netblocks since 2026-07-05

2026-07-05 peak 10 2026-07-19

IP Ranges (10)

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
80.18.26.160/29	CRT-SPA	RIPE	ASSIGNED PA	● low
80.18.30.168/29	CRT-SPA	RIPE	ASSIGNED PA	● low
81.16.178.16/28	CRT	RIPE	ASSIGNED PA	● low
82.100.210.208/28	CRT	RIPE	ASSIGNED PA	● low
92.241.162.224/27	CRT	RIPE	ASSIGNED PA	● low
195.89.154.196/30	CRT	RIPE	ASSIGNED PA	● low
212.239.48.128/29	CRT-NET	RIPE	ASSIGNED PA	● low
213.25.26.160/27	CRT	RIPE	ASSIGNED PA	● low
217.222.150.200/29	CRT-SPA	RIPE	ASSIGNED PA	● low
217.223.71.192/28	CRT-SPA	RIPE	ASSIGNED PA	● low

Possibly related to this organisation

what's this?

Same name family

Separately-registered clusters whose names share “CRT” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.

CRT-LAN 2 blocks
CRT-IDF 1 blocks
CRT-CARSTENS-PARTNER-NET 1 blocks
CRT-NET01 1 blocks
CRT-CONSTRUCTION-LTD 1 blocks
CRT-INTERIORS 1 blocks
CRT-INSTALLATIONS 1 blocks
CRT-1 1 blocks

Combined view of all 11 name-family clusters →

Network trust

what's this?

RPKI hygiene: D how networks compare →

30.0% of checked blocks have valid RPKI ROA coverage (3 of 10)

No discrepancies found among checked blocks.

NIC Handles

DUMY-RIPE DUMY-RIPE ELABNET-MNT INET-NOC INTERB-MNT MNT-ELABNET RU-WEBALTA-MNT TIG-MNT TPNET VODAFONE-WORLDWIDE-MNTNER