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Data as of Nov 3, 2026

124.251.0.0/17

No anonymizer space · no proxy exits in 30 days

Abitcool(China) Inc. · space held by 21ViaNet(China),Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS9802
Type
Hosting
81% of it
Recent change
New origin Sep 18, 2026
from AS9308 Abitcool(China) Inc.

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
124.251.0.0/16
since May 2020
AS9308Hosting21ViaNet(China),Inc.
124.250.0.0/15
since May 2017
AS23724Hosting21ViaNet(China),Inc.
Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
124.251.0.0/18
since Aug 2016
AS23724Hosting21ViaNet(China),Inc.
124.251.8.0/23
since Sep 18, 2026
AS9802Hosting21ViaNet(China),Inc.
124.251.32.0/19
since Sep 18, 2026
AS4808Residential21ViaNet(China),Inc.
124.251.44.0/22
since Sep 18, 2026
AS9802Hosting21ViaNet(China),Inc.
124.251.48.0/22
since Sep 18, 2026
AS9802Hosting21ViaNet(China),Inc.
124.251.64.0/18
since Oct 2016
AS23724Hosting21ViaNet(China),Inc.
124.251.64.0/19
since Sep 18, 2026
AS9802Hosting21ViaNet(China),Inc.
124.251.96.0/19
since Sep 18, 2026
AS9802Hosting21ViaNet(China),Inc.
124.251.96.0/23
since Mar 2017
AS9308Hosting21ViaNet(China),Inc.
124.251.110.0/23
since Sep 18, 2026
AS9802Hosting21ViaNet(China),Inc.
124.251.110.0/24
since May 2025
AS4835Hosting21ViaNet(China),Inc.
124.251.120.0/23
since Sep 18, 2026
AS9802Hosting21ViaNet(China),Inc.

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
124.250.0.0/15131,072CHINA-21VIANET21ViaNet(China),Inc.ALLOCATED PORTABLE—[email protected]
└ 124.251.0.0/1665,536CHINA-21VIANET21ViaNet(China),Inc.ALLOCATED PORTABLE—[email protected]

Composition

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

Announced space

Address share

Announced space

Types across the prefix

32,768 addresses
TypeAddressesShareRanges
Hosting26,62481%15
Residential6,14419%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
21ViaNet(China),Inc.
Range
124.250.0.0/15
Registration type
ALLOCATED PORTABLE
Origin network

AS9802

CN
Name
Abitcool(China) Inc.
Type
Hosting
Registered
Jan 10, 2000
Domain
21viamail.com
Spamhaus ASN-DROP
not listed