Autonomous system profile

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

AS63039

Announcement observedARIN

Spok Inc. · USMOASN

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

Last active10/16/2026, 00:00:00Snapshot expired

View network topology RDAP registration

ASN: AS63039
Registration country: United States
Name: Spok Inc.
Abbreviation: USMOASN
Registration date: 1/10/2014, 20:01:48
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
147.187.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.1.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.10.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.100.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.110.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.112.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.115.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.116.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.12.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.130.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.132.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.133.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.14.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.15.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.16.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
147.187.255.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
63.97.34.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Spok Inc.
RIR: ARIN
Registration country: United States
Registration date: 1/10/2014, 20:01:48
Abuse contact: netengcw@spok.com

Snapshot trend

10/6/2026, 11:27:2919 v40 v63 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 · cha-la-bgp-observations