Autonomous system profile

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

AS3

Announcement observedARIN

MIT-GATEWAYS - Massachusetts Institute of Technology · MIT-GATEWAYS

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

Last active10/21/2026, 03:48:37Snapshot expired

View network topology RDAP registration

ASN: AS3
Registration country: United States
Name: MIT-GATEWAYS - Massachusetts Institute of Technology
Abbreviation: MIT-GATEWAYS
Registration date: Not recorded
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
103.127.189.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
103.182.177.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/1/2026, 16:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
103.39.120.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/15/2026, 08:00:00	✓	×	Historical record
128.30.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
128.52.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.0.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.1.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.10.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.11.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.12.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.13.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.14.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.15.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.16.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.17.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.18.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.22.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.23.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.25.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.26.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.27.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.29.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.1.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.10.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.103.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.104.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.105.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.106.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.108.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.109.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.11.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.111.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.116.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.12.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.122.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.13.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.14.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.15.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.151.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.152.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.153.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.154.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.155.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.16.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.18.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.19.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
18.3.20.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/21/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: MIT-GATEWAYS - Massachusetts Institute of Technology
RIR: ARIN
Registration country: United States
Registration date: Not recorded
Abuse contact: arin-mit-security@mit.edu

Snapshot trend

10/21/2026, 03:48:3790 v49 v612 Upstream · 1 Uncertain

10/13/2026, 10:31:3590 v49 v613 Upstream · 1 Uncertain

9/29/2026, 05:48:0492 v49 v610 Upstream · 1 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 · rir-rdap-asn · iana-rdap-asn-bootstrap