Autonomous system profile

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

AS11523

Announcement observedARIN

H. Lee Moffitt Cancer Center & Research Institute, Inc. · AS-HLEEM

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

Last active9/30/2026, 04:39:07Snapshot expired

View network topology RDAP registration

ASN: AS11523
Registration country: United States
Name: H. Lee Moffitt Cancer Center & Research Institute, Inc.
Abbreviation: AS-HLEEM
Registration date: 5/22/2007, 20:04:44
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
206.81.164.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	9/30/2026, 00:00:00	✓	×	Currently valid
206.81.164.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	9/30/2026, 00:00:00	✓	×	Currently valid
206.81.165.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	9/30/2026, 00:00:00	✓	×	Currently valid
206.81.166.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	9/30/2026, 00:00:00	✓	×	Currently valid
206.81.167.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	9/30/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: H. Lee Moffitt Cancer Center & Research Institute, Inc.
RIR: ARIN
Registration country: United States
Registration date: 5/22/2007, 20:04:44
Abuse contact: Tom.Tokarczyk@moffitt.org

Snapshot trend

9/30/2026, 04:39:075 v40 v62 Upstream · 0 Uncertain

9/30/2026, 04:39:055 v40 v62 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