AS1029 Black Mesa Corporation

BLACK-MESA-LMN - Black Mesa Corporation · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#13,231largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#60,858of 79,396 networks with IPv4

IPv62 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS1029 in ASN lookup Look up an IP in this network (154.6.118.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

154.6.118.0/24

IPv6 prefixes

All 1 prefix.

2602:feda:c0::/47

Other ASNs named Black Mesa Corporation

2 other networks use the same organisation name; together with AS1029 they announce 3,072 IPv4 addresses.

ASNNameIPv4 addresses

AS46997NATOLAB - Black Mesa Corporation US2,816

AS396303NATOLAB-LEGACY - Black Mesa Corporation USIPv6 only

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS403008#13229 NETQUOR-TECH - Netquor256

AS403070#13230 RRAINN-NET-01 - rrainn256

AS6292#13232 MTAPD-GB - MTAPD256

AS11715#13233 KISARA-NETWORK-02 - Kisara Development LLC256

AS14478#13234 RECURSE-CENTER - Recurse Center256

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