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Data as of Nov 3, 2026

145.4.0.0/16

No anonymizer space · no proxy exits in 30 days

Verizon Business · space held by Surf B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS702
Type
Business
94% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
145.4.224.0/20
since May 2017
AS1136ResidentialSurf B.V.

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
145.2.0.0 - 145.4.255.255196,608SURFNET-EARLY-REGISTRATIONSSurf B.V. (ORG-SB3-RIPE) · NLLEGACYApr 13, 2017[email protected]
└ 145.4.0.0/1665,536PGGMPGGM N.V.LEGACY—[email protected]
via SURFNET-EARLY-REGISTRATIONS

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Business61,44094%2
Residential4,0966.3%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Surf B.V.
Handle
ORG-SB3-RIPE
Range
145.2.0.0 - 145.4.255.255
Registration type
LEGACY
Record created
Apr 13, 2017
Legacy
yes
Origin network

AS702

US
Name
Verizon Business
Type
Internet provider
Registered
Aug 3, 1990
Domain
verizonbusiness.com
Website
www.verizon.com/business/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed