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Data as of Nov 5, 2026

173.219.37.0/24

No anonymizer space · no proxy exits in 30 days

City of Georgetown · space held by Optimum

Announcement
this exact prefix
RPKI valid
Announced by
AS46169
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
173.219.0.0/17
since Apr 2022
AS19108Residential425
16 always on
Optimum

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
173.216.0.0/14262,144SUDDEOptimum (SUDDE) · USDirect AllocationSep 16, 2009abuse@suddenlink.net
└ 173.219.37.0/24256CITY-OF-GEORGETOWN-TXCITY OF GEORGETOWN IT-Library Internet Services (C11297160) · USReassignedJul 29, 2025abuse@suddenlink.net
via SUDDE

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Optimum
Handle
SUDDE
Range
173.216.0.0/14
Registration type
Direct Allocation
Record created
Sep 16, 2009
Origin network

AS46169

US
Name
City of Georgetown
Type
Business
Registered
Aug 6, 2010
Domain
georgetowntexas.gov
Industry
Government and Regulatory Agencies, Administrations, Departments, and Services
Spamhaus ASN-DROP
not listed