Data as of Nov 6, 2026

63.74.191.0/24

No anonymizer space · no proxy exits in 30 days

Norwegian Cruise Line Holdings Ltd. · space held by Verizon Business

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
63.64.0.0/12AS701Internet provider319
42 always on
Verizon Business

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
63.64.0.0/104,194,304UUNET63Verizon Business (MCICS) · USDirect AllocationJan 22, 1999abuse@verizon.com
└ 63.74.191.0/24256UU-63-74-191Norwegian Cruise Lines (C00586113) · USReassignedJul 19, 1999abuse@verizon.com
via UUNET63

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

IPv4 market

Holder

Organization
Verizon Business
Handle
MCICS
Range
63.64.0.0/10
Registration type
Direct Allocation
Record created
Jan 22, 1999
Origin network

AS30066

US
Name
Norwegian Cruise Line Holdings Ltd.
Type
Business
Registered
Jul 11, 2003
Domain
nclhltd.com
Industry
Air Travel
Spamhaus ASN-DROP
not listed