AS400451 Curium Technologies

CMTC - Curium Technologies · registered in the United States

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in United States#9,018largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#42,399of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS400451 in ASN lookup Look up an IP in this network (128.254.156.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

128.254.156.0/22

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ASNNameIPv4 addresses

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AS400492#9019 DP-NET-ASN-01 - DataPerk, LLC1,024

AS400507#9020 CHARGER-ACCESS-ASN-01 - Charger Access, LLC1,024

AS400523#9021 INTERSYSTEMS - InterSystems Corporation1,024

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