asn.dev

Autonomous system

AS12120 AAO-AIO

Unclassified APNIC

IPv4 addresses 512 2 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

Amphenol

United States · AI-generated

enterprise legacy

A connector manufacturer's network, held across two blocks with unrelated histories.

What it's used for

  • Corporate connectivity. 512 addresses in two /24s with a single observed BGP neighbour and no IPv6 announced.

Notable

  • 63.116.253.0/24 is netname UU-63-116-253-D5 — a label generated in UUNET's scheme — registered to Amphenol Corp with an abuse contact.
  • 192.88.132.0/24 is netname BCOENET, also registered to Amphenol, and the name matches nothing else in the record.
  • The AS handle is AAO-AIO, two sets of initials that appear nowhere else either.

Interesting

  • Amphenol grew by acquisition across decades, buying connector and cable businesses in aerospace, defence, industrial and automotive markets and keeping them running under their own names. Records like BCOENET are what that leaves behind: a netname belonging to an operation that was absorbed, updated in the registrant field and nowhere else.
  • The 192.88 block is early class C space and the 63.116 block came from UUNET a decade later. One company, one AS, and two eras of how you got addresses — a paper request in the first case, a service provider assignment in the second.

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

1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS11351Charter Communications Inc122

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-23, 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 2 prefixes · 512 addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America2

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
AS12120
Registry name
AAO-AIO
Registrant
Amphenol Corp
Abuse contact
chippenstiel@amphenol-aao.com
Registered
2005-05-10
Last changed
2012-03-02
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 2 with no ROA
ROAs
0 authorising AS12120
ASPA
no ASPA record
IRR
50% registered · 1 of 2 announcements
Route objects
1 naming AS12120

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 1,779 prefixes, as published 2026-10-24. 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