AS1341 Rockwell Collins, Inc.

ROCKWELLCOLLINS-AS - Rockwell Collins, Inc. · registered in the United States

IPv4 addresses28,67237 prefixes · <0.001% of announced IPv4

Rank in United States#1,832largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,130of 79,396 networks with IPv4

IPv64,097 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS1341 in ASN lookup Look up an IP in this network (128.13.48.1) All networks in United States

IPv4 prefixes

All 37 prefixes, in address order.

128.13.48.0/23
128.13.50.0/24
128.13.52.0/23
128.13.112.0/22
128.13.120.0/21
128.13.128.0/22
128.13.132.0/24
128.13.134.0/23
128.13.136.0/21
128.13.144.0/22
128.13.148.0/23
128.13.152.0/22
128.13.160.0/19
138.127.57.0/24
140.157.66.0/24
140.157.218.0/23
162.36.4.0/22
162.36.8.0/22
162.36.12.0/24
162.36.14.0/24
192.27.4.0/24
192.249.36.0/23
192.249.49.0/24
198.212.186.0/23
198.212.188.0/24
199.46.128.0/24
199.46.167.0/24
199.46.168.0/24
199.46.197.0/24
199.46.240.0/24
199.46.248.0/24
199.191.40.0/22
199.191.44.0/24
199.191.46.0/24
205.175.225.0/24
205.175.226.0/23
205.175.228.0/23

IPv6 prefixes

All 2 prefixes.

2620:b4::/48
2620:1de::/36

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources