Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS396178

Announcement observedARIN

Google LLC · G-CLOUD-AGENT-TRAFFIC

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/18/2026, 18:49:13Snapshot expired

View network topology RDAP registration

ASN: AS396178
Registration country: United States
Name: Google LLC
Abbreviation: G-CLOUD-AGENT-TRAFFIC
Registration date: 5/5/2025, 10:39:53
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
136.121.16.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/21/2026, 16:00:00	10/19/2026, 16:00:00	✓	×	Currently valid
136.121.24.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/21/2026, 16:00:00	10/19/2026, 16:00:00	✓	×	Currently valid
136.122.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/21/2026, 16:00:00	10/19/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Google LLC
RIR: ARIN
Registration country: United States
Registration date: 5/5/2025, 10:39:53
Abuse contact: google-cloud-compliance@google.com

Snapshot trend

10/18/2026, 18:49:133 v40 v61 Upstream · 0 Uncertain

10/18/2026, 18:49:123 v40 v61 Upstream · 0 Uncertain

10/5/2026, 20:03:343 v40 v61 Upstream · 0 Uncertain

10/5/2026, 10:25:580 v40 v60 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn