LAYER3 INTEL
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Data as of Nov 7, 2026

216.21.32.0/19

No anonymizer space · no proxy exits in 30 days

First Communications LLC

Announcement
this exact prefix
No RPKI
Announced by
AS16399
Type
Business
Risk
0 / 100 · Low

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
216.21.32.0/198,192FIRSTCOMM-NET6First Communications LLC (FCL-52) · USDirect AllocationJun 17, 2004netopssa@firstcomm.com
└ 216.21.32.0/2664216-21-32-0-GCIBLKunknown———
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└ 216.21.32.208/2816216-21-32-208-GCIBLKunknown———
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└ 216.21.33.128/2732216-21-33-128-GCIBLKunknown———
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└ 216.21.34.0/298216-21-34-0-GCIBLKunknown———
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└ 216.21.34.192/298216-21-34-192-GCIBLKunknown———
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└ 216.21.34.216/298216-21-34-216-GCIBLKunknown———
└ 216.21.34.224/298216-21-34-224-GCIBLKunknown———
└ 216.21.34.232/298216-21-34-232-GCIBLKunknown———
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└ 216.21.34.248/298216-21-34-248-GCIBLKunknown———
└ 216.21.35.0/298216-21-35-0-GCIBLKunknown———
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└ 216.21.35.32/298216-21-35-32-GCIBLKunknown———
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└ 216.21.35.64/298216-21-35-64-GCIBLKunknown———
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└ 216.21.35.80/298216-21-35-80-GCIBLKunknown———
└ 216.21.35.88/298216-21-35-88-GCIBLKunknown———
└ 216.21.35.96/298216-21-35-96-GCIBLKunknown———
└ 216.21.35.104/298216-21-35-104-GCIBLKunknown———
└ 216.21.35.112/298216-21-35-112-GCIBLKunknown———
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└ 216.21.35.192/2732216-21-35-192-GCIBLKunknown———
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└ 216.21.36.0/298216-21-36-0-GCIBLKunknown———
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└ 216.21.36.104/298216-21-36-104-GCIBLKunknown———
└ 216.21.36.112/2816216-21-36-112-GCIBLKunknown———
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└ 216.21.36.168/298216-21-36-168-GCIBLKunknown———
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└ 216.21.36.184/298216-21-36-184-GCIBLKunknown———
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└ 216.21.36.224/2732216-21-36-224-GCIBLKunknown———
└ 216.21.37.0/298216-21-37-0-GCIBLKunknown———
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└ 216.21.37.16/298216-21-37-16-GCIBLKunknown———
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└ 216.21.37.48/298216-21-37-48-GCIBLKunknown———
└ 216.21.37.56/298216-21-37-56-GCIBLKunknown———
└ 216.21.37.64/298216-21-37-64-GCIBLKunknown———
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└ 216.21.37.128/2732216-21-37-128-GCIBLK0unknown———
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Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS16399

US
Name
First Communications LLC
Type
Internet provider
Registered
Apr 25, 2000
Domain
firstcomm.com
Spamhaus ASN-DROP
not listed