asn.dev

Autonomous system

AS55232 MX-HOSTED

Unclassified ARIN

IPv4 addresses 9.98K 11 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 3 0 downstream
Flagged prefixes 0 none

Summary

Zultys

United States of America · AI-generated

voip business communications hosted

The AS handle MX-HOSTED is held by Zultys, Inc.

What it's used for

  • The address space carries VoIP and unified communications traffic, evidenced by the netnames MX-HOSTED and ZULTY-2 and the reverse DNS record bawlprice.com.
  • The AS announces 9984 IPv4 addresses across 11 prefixes and maintains 3 observed neighbours, a ratio that indicates a dedicated business communications network rather than a transit provider.
  • Traffic from this AS consists of hosted business phone services, unified communications signalling, and media streams for Zultys' omnichannel communication systems.

Notable

  • All registrants for the announced prefixes are listed as Zultys, Inc., matching the AS holder.
  • Zultys is a privately owned software company headquartered in Sunnyvale, California, that develops unified communications products and integrated desktop IP phones.
  • The inventory consists of ten /22 prefixes, one /23 prefix, and one /24 prefix, all located in the United States.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

3 upstream, 0 downstream and 3 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS27552TowardEX Technologies International, Inc.2,100
AS13649Flexential Colorado Corp.764
AS3257GTT Communications Inc.39

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-19, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 11 prefixes · 9.98K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America11

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS55232
Registry name
MX-HOSTED
Registrant
Zultys, Inc.
Abuse contact
pavel.matsienok@zultys.com
Registered
2014-11-17
Last changed
2014-11-17
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 49 with no ROA
ROAs
0 authorising AS55232
ASPA
no ASPA record
IRR
100% registered · 49 of 49 announcements
Route objects
69 naming AS55232

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,783 prefixes, as published 2026-10-20. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check