A.T.T. S.R.L

ATT llc
Data as of 2026-08-23
GLEIF verified
LEI
815600FFF76AD5340533
Registered name
A.T.T. S.R.L
Jurisdiction
IT
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks59 · 1,130 IPv4 addresses
IPv6 10 prefixes (largest 2001:4d78:40a::/48)
Registered in France (9) · Poland (8) · Spain (7) · United Kingdom (5) · Germany (4) · Netherlands (4)
All fragments 1,210 blocks across 147 clusters
Cluster ID227379092
RegistryAPNIC
Owner jurisdictionIT
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 815600FFF76AD5340533
Shared handles clustered on 30 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

9 weekly snapshots · JSON
59 0 netblocks since 2026-07-05
2026-07-05 peak 59 2026-08-23

IP Ranges (59)

showing 50 of 59 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
37.61.208.2/31 ATT RIPE ASSIGNED PA ● high
123.124.132.96/27 ATT APNIC ASSIGNED NON-PORTABLE ● high
134.119.183.32/29 ATT RIPE ASSIGNED PA ● high
134.119.220.248/29 ATT RIPE ASSIGNED PA ● high
188.130.149.0/24 ATT llc RIPE ASSIGNED PA ● high
210.15.2.64/28 ATT APNIC ASSIGNED NON-PORTABLE ● high
2a01:7a0:2:1dd9::/64 ATT RIPE ASSIGNED ● high
2a01:7a7:2:1409::/64 ATT RIPE ASSIGNED ● high
2a01:7a7:2:19ef::/64 ATT RIPE ASSIGNED ● high
2a01:7a7:2:220b::/64 ATT RIPE ASSIGNED ● high
2a01:7a7:2:3b8b::/64 ATT RIPE ASSIGNED ● high
2a09:d2c1:3::/48 ATT llc RIPE ASSIGNED ● high
62.216.241.176/28 ATT RIPE ASSIGNED PA ● low
62.216.241.192/28 ATT RIPE ASSIGNED PA ● low
81.15.244.208/29 ATT-NET RIPE ASSIGNED PA ● low
81.201.99.192/28 ATT RIPE ASSIGNED PA ● low
81.201.99.244/30 ATT RIPE ASSIGNED PA ● low
82.177.43.176/29 ATT-NET RIPE ASSIGNED PA ● low
82.177.77.96/29 ATT-NET RIPE ASSIGNED PA ● low
82.177.77.104/29 ATT-NET RIPE ASSIGNED PA ● low
84.32.89.0/24 ATT-NET RIPE ASSIGNED PA ● low
85.19.67.96/29 ATT--CORP-NET RIPE ASSIGNED PA ● low
88.216.38.0/24 ATT-NET RIPE SUB-ALLOCATED PA ● low
88.220.50.128/29 ATT-NET RIPE ASSIGNED PA ● low
88.220.91.168/29 ATT-NET RIPE ASSIGNED PA ● low
88.220.177.96/29 ATT-NET RIPE ASSIGNED PA ● low
88.220.184.24/29 ATT-NET RIPE ASSIGNED PA ● low
195.11.112.16/30 ATT RIPE ASSIGNED PA ● low
195.11.120.160/30 ATT RIPE ASSIGNED PA ● low
195.11.120.224/30 ATT RIPE ASSIGNED PA ● low
195.27.55.80/29 ATT RIPE ASSIGNED PA ● low
195.46.31.80/29 ATT RIPE ASSIGNED PA ● low
195.70.177.124/30 ATT--CORP-NET RIPE ASSIGNED PA ● low
195.89.85.40/29 ATT RIPE ASSIGNED PA ● low
202.65.129.148/30 ATT APNIC ASSIGNED NON-PORTABLE ● low
212.49.188.112/29 ATT RIPE ASSIGNED PA ● low
212.163.6.20/30 ATT RIPE ASSIGNED PA ● low
212.163.24.96/29 ATT RIPE ASSIGNED PA ● low
212.163.24.104/29 ATT RIPE ASSIGNED PA ● low
212.163.24.252/30 ATT RIPE ASSIGNED PA ● low
212.163.27.88/29 ATT RIPE ASSIGNED PA ● low
212.163.194.196/30 ATT RIPE ASSIGNED PA ● low
212.220.147.0/27 Att RIPE ASSIGNED PA ● low
213.30.170.8/30 ATT RIPE ASSIGNED PA ● low
213.30.170.12/30 ATT RIPE ASSIGNED PA ● low
213.30.170.16/30 ATT RIPE ASSIGNED PA ● low
213.30.170.20/30 ATT RIPE ASSIGNED PA ● low
213.30.170.24/30 ATT RIPE ASSIGNED PA ● low
213.30.170.28/30 ATT RIPE ASSIGNED PA ● low
213.30.189.88/30 ATT RIPE ASSIGNED PA ● low

IPv6 ranges (10)

CIDR
2001:4d78:40a::/48
2a09:d2c1:3::/48
2001:4d78:104:70::/64
2001:4d78:104:72::/64
2001:4d78:407:f::/64
2a01:7a0:2:1dd9::/64
2a01:7a7:2:1409::/64
2a01:7a7:2:19ef::/64
2a01:7a7:2:220b::/64
2a01:7a7:2:3b8b::/64

Network trust

what's this?
RPKI hygiene: A how networks compare →
96.6% of checked blocks have valid RPKI ROA coverage (57 of 59)
Possible discrepancies (4)

These blocks are registered to ATT llc but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:4d78:40a::/48 /48 authorized for AS15830 — Equinix (EMEA) Acquisition Enterprises B.V.
88.216.38.0/24 /24 authorized for AS9009 — M247 Europe SRL
84.32.89.0/24 /24 authorized for AS9009 — M247 Europe SRL
188.130.149.0/24 /24 authorized for AS43330 — Individual Entrepreneur Dmitriy Fokin

NIC Handles

AS3253-MNT AZ12-AP AZ12-AP COMPLETEL-MNT CU908-RIPE DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT EVOLUTIO-MNT FGK-MNT FGK10-RIPE +18 more