Data as of Nov 10, 2026
Autonomous system

AS19316

Quadrangle Development Corporation

Announces 1,024 addresses in 4 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
38.100.18.0/24
since Sep 2017
BusinessCogent Communications, LLC
38.124.159.0/24
since Mar 2023
BusinessCogent Communications, LLC
50.144.151.0/24
since Mar 2024
BusinessComcast Cable Communications, LLC
via Comcast Cable Communications, LLC
207.172.149.0/24
since Oct 2024
BusinessRCN

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it