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AS393225 ARIN Operations

ARIN-PFS-IAD - ARIN Operations · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4
Rank in United States#13,425largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#62,677of 79,396 networks with IPv4
IPv61 x /481 prefixes
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 1 prefix, in address order.

  • 199.212.0.0/24

IPv6 prefixes

All 1 prefix.

  • 2001:500:13::/48

Other ASNs named ARIN Operations

4 other networks use the same organisation name; together with AS393225 they announce 2,560 IPv4 addresses.

ASNNameIPv4 addresses
AS53535ARIN-PFS-ANYCAST - ARIN Operations US1,024
AS10745ARIN-ASH-CHA - ARIN Operations US768
AS393220ARIN-PFS-SJC - ARIN Operations US256
AS394018ARIN-PFS-SEA - ARIN Operations US256

Similar-sized networks in United States

ASNNameIPv4 addresses
AS219034#13422 BadAimWeeb Quang Lam Le256
AS219158#13423 MDWS Benjamin Meadows256
AS393220#13424 ARIN-PFS-SJC - ARIN Operations256
AS393246#13426 AS-AFILIAS-IAD1 - Afilias, Inc.256
AS393462#13427 COLLETTE-HEALTH - Collette Health, LLC256
AS393483#13428 YEO-YEO - Yeo & Yeo CPAs & Business Consultants256

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