Autonomous system profile

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

AS21660

Announcement observedARIN

Baxalta Incorporated · BAXALTA

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

Last active10/1/2026, 07:51:55Snapshot expired

View network topology RDAP registration

ASN: AS21660
Registration country: United States
Name: Baxalta Incorporated
Abbreviation: BAXALTA
Registration date: 1/16/2015, 19:36:54
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
103.48.172.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid
104.254.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid
185.89.148.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid
185.89.150.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid
185.89.151.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid
43.229.156.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid
43.229.158.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid
63.244.0.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid
63.84.72.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid
63.84.74.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid
63.84.75.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/28/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Baxalta Incorporated
RIR: ARIN
Registration country: United States
Registration date: 1/16/2015, 19:36:54
Abuse contact: atta.meer@takeda.com

Snapshot trend

10/1/2026, 07:51:5511 v40 v66 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