Autonomous system profile

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

AS64249

Announcement observedARIN

Charles River Operation · ENDOFFICE

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

Last active10/6/2026, 14:06:10Snapshot expired

View network topology RDAP registration

ASN: AS64249
Registration country: United States
Name: Charles River Operation
Abbreviation: ENDOFFICE
Registration date: 4/8/2016, 17:36:21
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
144.86.187.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
147.189.137.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.12.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.12.6.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.13.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.3.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.3.222.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.3.236.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.3.237.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.3.45.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.39.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.39.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.9.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
154.9.154.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.67.164.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.67.165.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.67.166.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.67.167.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.203.175.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
193.148.94.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
198.145.141.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
198.145.142.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
198.145.143.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
206.197.231.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
207.32.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
31.132.54.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
38.124.1.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
38.146.55.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
38.242.12.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
38.242.18.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
38.242.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
38.242.7.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
44.104.110.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
44.32.53.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
45.10.23.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
45.58.211.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
45.67.142.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
45.67.143.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
45.67.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
5.182.199.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
5.182.51.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
52.124.20.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
63.246.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
63.246.156.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
63.246.157.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
63.251.142.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
66.150.192.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
66.150.196.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
66.150.198.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
67.22.61.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/23/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Charles River Operation
RIR: ARIN
Registration country: United States
Registration date: 4/8/2016, 17:36:21
Abuse contact: support@endoffice.com

Snapshot trend

10/6/2026, 14:06:1062 v45 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