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Autonomous System

AS1341

Rockwell Collins, Inc.

Announced IPs
94,976
CIDR prefixes
41
ASN
AS1341

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

53/100
Caution
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 2 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS1341 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
199.46.186.0/24 AS1341, AS12007 2026-11-11 22:53:55
199.46.191.0/24 AS1341, AS12007 2026-11-11 22:53:55

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
151.131.0.0/16 65.5K
0.0%
Rockwell Collins, Inc. US Illinois Chicago
128.13.160.0/19 8.2K
0.0%
Rockwell Collins, Inc. US — —
128.13.120.0/21 2.0K
5.8%
Rockwell Collins, Inc. US California Redondo Beach
128.13.136.0/21 2.0K
4.5%
Rockwell Collins, Inc. US — —
128.13.112.0/22 1.0K
2.4%
Rockwell Collins, Inc. US — —
128.13.128.0/22 1.0K
0.4%
Rockwell Collins, Inc. US — —
128.13.144.0/22 1.0K
6.4%
Rockwell Collins, Inc. US — —
128.13.152.0/22 1.0K
0.0%
Rockwell Collins, Inc. US — —
162.36.4.0/22 1.0K
0.8%
Rockwell Collins, Inc. US Florida Lake Worth
162.36.8.0/22 1.0K
0.4%
Rockwell Collins, Inc. US — —
199.191.40.0/22 1.0K
0.0%
Rockwell Collins, Inc. US — —
128.13.48.0/23 512
0.0%
Rockwell Collins, Inc. US — —
128.13.52.0/23 512
0.0%
Rockwell Collins, Inc. US — —
128.13.134.0/23 512
9.0%
Rockwell Collins, Inc. US — —
128.13.148.0/23 512
7.8%
Rockwell Collins, Inc. US — —
140.157.218.0/23 512
0.0%
Rockwell Collins, Inc. US — —
192.249.36.0/23 512
2.1%
Rockwell Collins, Inc. US — —
198.212.186.0/23 512
0.0%
Rockwell Collins, Inc. US — —
199.191.40.0/23 512
0.0%
Rockwell Collins, Inc. US — —
205.175.226.0/23 512
0.0%
Rockwell Collins, Inc. US — —
205.175.228.0/23 512
0.0%
Rockwell Collins, Inc. US — —
128.13.50.0/24 256
0.0%
Rockwell Collins, Inc. US — —
128.13.112.0/24 256
2.7%
Rockwell Collins, Inc. DE — —
128.13.113.0/24 256
2.7%
Rockwell Collins, Inc. GB — —
128.13.114.0/24 256
2.7%
Rockwell Collins, Inc. SG — —
128.13.115.0/24 256
1.6%
Rockwell Collins, Inc. IN — —
128.13.132.0/24 256
0.0%
Rockwell Collins, Inc. US — —
138.127.57.0/24 256
0.4%
Rockwell Collins, Inc. US — —
140.157.66.0/24 256
0.0%
Rockwell Collins, Inc. US — —
162.36.12.0/24 256
0.0%
Rockwell Collins, Inc. US — —
162.36.14.0/24 256
0.0%
Rockwell Collins, Inc. US — —
192.27.4.0/24 256
3.5%
Rockwell Collins, Inc. US — —
192.73.51.0/24 256
0.0%
Rockwell Collins, Inc. US — —
192.249.37.0/24 256
0.0%
Rockwell Collins, Inc. GB — —
192.249.49.0/24 256
2.7%
Rockwell Collins, Inc. US — —
198.212.188.0/24 256
0.0%
Rockwell Collins, Inc. US — —
199.46.128.0/24 256
3.1%
Rockwell Collins, Inc. US — —
199.46.131.0/24 256
0.0%
Rockwell Collins, Inc. US — —
199.46.167.0/24 256
0.0%
Rockwell Collins, Inc. US — —
199.46.168.0/24 256
2.0%
Rockwell Collins, Inc. US — —
199.46.186.0/24 256
2.3%
Rockwell Collins, Inc. US — —
199.46.191.0/24 256
2.7%
Rockwell Collins, Inc. US — —
199.46.197.0/24 256
4.3%
Rockwell Collins, Inc. US — —
199.46.238.0/24 256
0.0%
Rockwell Collins, Inc. US — —
199.46.240.0/24 256
3.5%
Rockwell Collins, Inc. US — —
199.46.248.0/24 256
0.0%
Rockwell Collins, Inc. US — —
199.191.42.0/24 256
0.0%
Rockwell Collins, Inc. DE — —
199.191.43.0/24 256
0.0%
Rockwell Collins, Inc. SG — —
199.191.44.0/24 256
0.0%
Rockwell Collins, Inc. US — —
199.191.46.0/24 256
0.0%
Rockwell Collins, Inc. US — —
205.175.225.0/24 256
1.2%
Rockwell Collins, Inc. US — —
192.249.36.128/25 128
4.7%
Rockwell Collins, Inc. US — —
192.249.36.64/26 64
4.7%
Rockwell Collins, Inc. GB — —
192.249.36.32/27 32
3.1%
Rockwell Collins, Inc. GB — —
192.249.36.16/28 16
6.3%
Rockwell Collins, Inc. GB — —
192.249.36.0/29 8
0.0%
Rockwell Collins, Inc. GB England Maidstone
192.249.36.8/30 4
0.0%
Rockwell Collins, Inc. GB — —
192.249.36.14/31 2
0.0%
Rockwell Collins, Inc. GB — —
192.249.36.12/32 1
0.0%
Rockwell Collins, Inc. US — —
192.249.36.13/32 1
0.0%
Rockwell Collins, Inc. GB — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS1341 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
128.13.50.0/24 120,632 2026-11-13 08:11:13
199.46.197.0/24 116,863 2026-11-13 08:11:13
128.13.168.0/21 114,198 2026-11-13 08:11:13
128.13.126.0/24 45,450 2026-11-13 08:12:30
128.13.127.0/24 35,002 2026-11-13 08:12:30
128.13.52.0/24 34,997 2026-11-13 08:13:04
128.13.176.0/21 34,966 2026-11-13 08:13:04
128.13.136.0/24 34,870 2026-11-13 08:12:30
128.13.140.0/24 34,862 2026-11-13 08:12:30
128.13.143.0/24 34,856 2026-11-13 08:12:30
128.13.141.0/24 34,807 2026-11-13 08:12:30
128.13.142.0/24 34,790 2026-11-13 08:12:30
128.13.138.0/24 34,776 2026-11-13 08:12:30
128.13.137.0/24 34,745 2026-11-13 08:12:30
128.13.139.0/24 34,736 2026-11-13 08:12:30
128.13.135.0/24 34,547 2026-11-13 08:12:30
128.13.53.0/24 34,128 2026-11-13 08:13:04
128.13.124.0/24 33,177 2026-11-13 08:12:30
128.13.145.0/24 32,440 2026-11-13 08:12:30
128.13.128.0/24 31,623 2026-11-13 08:12:30
128.13.129.0/24 31,496 2026-11-13 08:12:30
128.13.130.0/24 31,449 2026-11-13 08:12:30
128.13.134.0/24 31,433 2026-11-13 08:12:30
128.13.132.0/24 31,423 2026-11-13 08:12:30
162.36.8.0/24 31,392 2026-11-13 08:12:30
128.13.131.0/24 31,347 2026-11-13 08:12:30
140.157.66.0/24 31,312 2026-11-13 08:12:30
192.27.4.0/24 31,234 2026-11-13 08:13:04
128.13.148.0/24 31,063 2026-11-13 08:12:30
162.36.5.0/24 30,721 2026-11-13 08:12:30
128.13.120.0/24 30,484 2026-11-13 08:12:30
128.13.160.0/21 29,481 2026-11-13 08:11:14
128.13.144.0/24 29,399 2026-11-13 08:12:30
199.191.40.0/24 29,134 2026-11-13 08:12:30
162.36.4.0/24 29,105 2026-11-13 08:12:30
205.175.227.0/24 28,567 2026-11-13 08:12:30
205.175.225.0/24 26,861 2026-11-13 08:12:30
205.175.226.0/24 26,810 2026-11-13 08:12:30
198.212.186.0/24 26,454 2026-11-13 08:11:12
128.13.121.0/24 25,467 2026-11-13 08:12:30
128.13.48.0/24 25,243 2026-11-13 08:11:12
128.13.184.0/21 25,223 2026-11-13 08:11:12
128.13.49.0/24 25,145 2026-11-13 08:11:12
138.127.57.0/24 25,110 2026-11-13 08:11:12
198.212.188.0/24 22,633 2026-11-13 08:11:12
128.13.122.0/24 22,306 2026-11-13 08:12:30
128.13.152.0/22 22,191 2026-11-13 08:07:54
128.13.149.0/24 21,953 2026-11-13 08:12:30
162.36.6.0/24 21,787 2026-11-13 08:12:30
198.212.187.0/24 21,745 2026-11-13 08:11:12

Showing top 50 of 101 announced prefixes by sample volume.

Frequently Asked Questions

What is AS1341?

AS1341 is an Autonomous System Number assigned to Rockwell Collins, Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS1341 announce?

AS1341 announces 95.0K IPv4 addresses distributed across 41 routed CIDR prefixes. The network is registered in United States.

Who operates AS1341?

AS1341 is operated by Rockwell Collins, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS1341 registered in?

AS1341 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 08:24:05 UTC
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