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Data as of Nov 3, 2026

128.13.172.0/22

No anonymizer space · no proxy exits in 30 days

Rockwell Collins, Inc. · space held by RTX BBN Technologies, Inc.

Announcement
128.13.168.0/21
No RPKI
Announced by
AS1341
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
128.13.0.0/16
since Oct 2020
AS12007BusinessRTX BBN Technologies, Inc.
via RTX Corporation

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
128.13.0.0/1665,536RTX-OPTIMUSRTX BBN Technologies, Inc. (RBTC-Z) · USDirect AllocationFeb 24, 1983[email protected]
└ 128.13.0.0/1665,536RTX-OPTIMUSRTX Corporation (RTX) · USReallocatedJul 10, 2025[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 128.13.168.0/21

Prefix
128.13.168.0/21
Announced by
AS1341 Rockwell Collins, Inc.
Type
Business
RPKI
No RPKI
Netname
RTX-OPTIMUS
Registrant
RTX Corporation
RIR
ARIN
Registry

Holder

Organization
RTX BBN Technologies, Inc.
Handle
RBTC-Z
Range
128.13.0.0/16
Registration type
Direct Allocation
Record created
Feb 24, 1983
Legacy
yes
Reallocated to
RTX Corporation (RTX)
Reallocated
Jul 10, 2025
Origin network

AS1341

US
Name
Rockwell Collins, Inc.
Type
Business
Registered
Aug 23, 1991
Domain
rockwellcollins.com
Industry
Software Development
Spamhaus ASN-DROP
not listed