AS254 Attachmate Corp.

OPENTEXT - Attachmate Corp. · registered in the United States

IPv4 addresses3,3286 prefixes · <0.001% of announced IPv4

Rank in United States#5,152largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#17,580of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS254 in ASN lookup Look up an IP in this network (143.186.108.1) All networks in United States

IPv4 prefixes

All 6 prefixes, in address order.

143.186.108.0/23
143.186.110.0/23
149.82.52.0/22
149.82.80.0/23
149.82.82.0/23
192.31.114.0/24

IPv6 prefixes

All 1 prefix.

2620:113:8082::/48

Other ASNs named Attachmate Corp.

1 other network uses the same organisation name; together with AS254 they announce 265,728 IPv4 addresses.

ASNNameIPv4 addresses

AS82OPENTEXT - Attachmate Corp. US262,400

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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