AS46997 Black Mesa Corporation

NATOLAB - Black Mesa Corporation · registered in the United States

IPv4 addresses2,8167 prefixes · <0.001% of announced IPv4

Rank in United States#5,438largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#19,249of 79,396 networks with IPv4

IPv6887 x /4817 prefixes

CountryUnited States18,679 ASNs registered there

Open AS46997 in ASN lookup Look up an IP in this network (23.247.136.1) All networks in United States

IPv4 prefixes

All 7 prefixes, in address order.

23.247.136.0/23
44.68.205.0/24
103.152.112.0/23
103.175.98.0/23
103.186.163.0/24
134.195.100.0/23
141.193.21.0/24

IPv6 prefixes

All 17 prefixes.

2001:470:139::/48
2400:a6a0:200::/40
2406:4440:20::/44
2406:4440:40::/44
2406:4440:d6ff::/48
2602:fd92:c20::/44
2602:feda::/48
2602:feda:3::/48
2602:feda:4::/48
2602:feda:8::/48
2602:feda:30::/44
2602:feda:60::/44
2602:feda:a3::/48
2602:feda:dd0::/44
2602:feda:f100::/40
2602:feda:f200::/44
2602:feda:f300::/40

Other ASNs named Black Mesa Corporation

2 other networks use the same organisation name; together with AS46997 they announce 3,072 IPv4 addresses.

ASNNameIPv4 addresses

AS1029BLACK-MESA-LMN - Black Mesa Corporation US256

AS396303NATOLAB-LEGACY - Black Mesa Corporation USIPv6 only

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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