Autonomous system profile

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

AS3949

Announcement observedARIN

NTT America, Inc. · NTTA-3946

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

Last active10/21/2026, 21:28:53Snapshot expired

View network topology RDAP registration

ASN: AS3949
Registration country: United States
Name: NTT America, Inc.
Abbreviation: NTTA-3946
Registration date: 1/31/2001, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
103.13.83.144/29BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/20/2026, 16:00:00	✓	×	Currently valid
103.13.83.152/29BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/20/2026, 16:00:00	✓	×	Currently valid
103.13.83.160/29BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/20/2026, 16:00:00	✓	×	Currently valid
136.0.49.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
136.0.62.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
136.0.69.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
142.111.167.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
142.111.169.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
166.88.103.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
166.88.42.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
166.88.43.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
171.22.145.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
185.243.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
193.28.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
193.28.148.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
193.39.136.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
202.68.68.0/26BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/20/2026, 16:00:00	✓	×	Currently valid
202.68.75.80/28BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/20/2026, 16:00:00	✓	×	Currently valid
202.68.79.128/25BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
205.132.16.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
205.132.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
205.132.18.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
205.132.19.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
207.71.84.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
217.24.64.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/14/2026, 08:00:00	✓	×	Historical record
217.24.68.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/12/2026, 08:00:00	✓	×	Historical record
23.27.212.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
23.27.213.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
23.27.227.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
23.27.229.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
45.149.225.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
45.149.226.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
62.73.186.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
80.174.216.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
80.174.217.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
80.174.218.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
80.174.219.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
80.174.220.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
80.174.221.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
80.174.222.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
80.174.223.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
80.96.148.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
81.93.189.64/29BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/20/2026, 16:00:00	✓	×	Currently valid
83.231.161.8/29BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/20/2026, 16:00:00	✓	×	Currently valid
91.123.68.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/21/2026, 16:00:00	✓	×	Currently valid
91.123.72.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/12/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: NTT America, Inc.
RIR: ARIN
Registration country: United States
Registration date: 1/31/2001, 05:00:00
Abuse contact: abuse@ntt.net

Snapshot trend

10/21/2026, 21:28:5346 v41 v61 Upstream · 0 Uncertain

9/29/2026, 11:18:5446 v41 v61 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