AT&T Corp. - ITS

BGP inherited
Complete entity footprint
3 linked clusters · 4,591 netblocks · 241,247,929 IPv4 addresses
This organisation's clusters combined by evidence — shared operating domain attdns.com — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
Cluster stats
Netblocks4 · 143,356 IPv4 addresses
Cluster ID208810532
RegistryARIN
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (4)

⬇ export CSV
CIDR Org name Registry Status Confidence
63.242.0.0 – 63.242.239.255 AT&T ITS ARIN ASSIGNMENT ● high
192.128.0.0/16 AT&T Corp. - ITS ARIN DIRECT ALLOCATION ● low
209.62.128.0/19 AT&T Corp. - ITS ARIN DIRECT ALLOCATION ● low
209.135.32.0/19 AT&T Corp. - ITS ARIN DIRECT ALLOCATION ● low

Domains hosted in this network

what's this?
attcompute.com usi.net

Network trust

what's this?
RPKI hygiene: D how networks compare →
25.0% of checked blocks have valid RPKI ROA coverage (1 of 4)
No discrepancies found among checked blocks.

NIC Handles

ABUSE7-ARIN ATTITS ATTITS-1 CKN23-ARIN CKN23-ARIN CKN23-ARIN DK71-ARIN IU4-ARIN ROUTI59-ARIN WILLI576-ARIN WILLI576-ARIN