AT-T-CZ

BGP inherited

Cluster stats

Netblocks	9
All fragments	82 blocks across 21 clusters
Cluster ID	209118193
Registry	RIPE
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 3 shared RIR contact/maintainer handles
Registry names	1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON

9 0 netblocks since 2026-07-05

2026-07-05 peak 9 2026-07-19

IP Ranges (9)

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
62.77.78.160/30	AT-T-CZ	RIPE	ASSIGNED PA	● low
62.77.90.11/32	AT-T-CZ	RIPE	ASSIGNED PA	● low
193.85.179.176/29	AT-T-CZ	RIPE	ASSIGNED PA	● low
193.85.234.240/29	AT-T-CZ	RIPE	ASSIGNED PA	● low
193.86.84.128/25	AT-T-CZ	RIPE	ASSIGNED PA	● low
193.179.218.0/29	AT-T-CZ	RIPE	ASSIGNED PA	● low
194.213.207.84/30	AT-T-CZ	RIPE	ASSIGNED PA	● low
195.39.53.252/30	AT-T-CZ	RIPE	ASSIGNED PA	● low
195.39.104.208/28	AT-T-CZ	RIPE	ASSIGNED PA	● low

Possibly related to this organisation

what's this?

Same name family

Separately-registered clusters whose names share “AT T” — 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.

AT-T 23 blocks
AT_T_GLOBAL_NETWORK_SERVICES_NEDERLAND_B_V_BALL_CORPORATION 8 blocks
AT_T_GLOBAL_NETWORK_SERVICES_DEUTSCHLAND_GMBH 6 blocks
AT_T_GLOBAL_NETWORK 5 blocks
AT_T_GLOBAL_NETWORK_SERVICES 5 blocks
AT_T_GLOBAL_NETWORK_SERVICES_UK_BV_BRANCH_US_BANK 4 blocks
AT_T_GLOBAL_NETWORK_SERVICES_NEDERLAND_B_V 3 blocks
AT_T_GLOBAL_NETWORK_SERVICES_DEUTSCHLAND_GMBH_TAO 3 blocks

Combined view of all 21 name-family clusters →

Network trust

what's this?

RPKI hygiene: A how networks compare →

100.0% of checked blocks have valid RPKI ROA coverage (9 of 9)

No discrepancies found among checked blocks.

NIC Handles

DUMY-RIPE DUMY-RIPE GTSCZ-MNT