Infrastructure top-level domain
Introduction
Notes
Originally assigned to the Advanced Research Projects Agency in the early days on the Internet, .arpa is now exclusively used as an Internet infrastructure TLD.
Operator
Internet Architecture Board (IAB)
Whois
% IANA WHOIS server % for more information on IANA, visit http://www.iana.org % This query returned 1 object domain: ARPA organisation: Internet Architecture Board (IAB) address: c/o IETF Administration LLC address: 1000 N. West St. address: Suite 1200 address: Wilmington DE 19801 address: United States of America (the) contact: administrative name: Internet Architecture Board (IAB) organisation: Internet Architecture Board (IAB) address: c/o IETF Administration LLC address: 1000 N. West St. address: Suite 1200 address: Wilmington DE 19801 address: United States of America (the) phone: +1 510 492 4080 fax-no: +1 510 492 4001 e-mail: iab@iab.org contact: technical name: Internet Assigned Numbers Authority (IANA) organisation: Internet Corporation for Assigned Names and Numbers (ICANN) address: 12025 Waterfront Drive address: Suite 300 address: Los Angeles CA 90094 address: United States of America (the) phone: +1 310 301 5800 fax-no: +1 310 823-8649 e-mail: tld-contact@iana.org nserver: A.NS.ARPA 198.41.0.4 2001:503:ba3e:0:0:0:2:30 nserver: B.NS.ARPA 170.247.170.2 2801:1b8:10:0:0:0:0:b nserver: C.NS.ARPA 192.33.4.12 2001:500:2:0:0:0:0:c nserver: D.NS.ARPA 199.7.91.13 2001:500:2d:0:0:0:0:d nserver: E.NS.ARPA 192.203.230.10 2001:500:a8:0:0:0:0:e nserver: F.NS.ARPA 192.5.5.241 2001:500:2f:0:0:0:0:f nserver: G.NS.ARPA 192.112.36.4 2001:500:12:0:0:0:0:d0d nserver: H.NS.ARPA 198.97.190.53 2001:500:1:0:0:0:0:53 nserver: I.NS.ARPA 192.36.148.17 2001:7fe:0:0:0:0:0:53 nserver: K.NS.ARPA 193.0.14.129 2001:7fd:0:0:0:0:0:1 nserver: L.NS.ARPA 199.7.83.42 2001:500:9f:0:0:0:0:42 nserver: M.NS.ARPA 2001:dc3:0:0:0:0:0:35 202.12.27.33 ds-rdata: 42581 8 2 f28391c1ed4dc0f151edd251a3103dce0b9a5a251acf6e24073771d71f3c40f9 whois: whois.iana.org status: ACTIVE remarks: Registration information: remarks: https://www.iana.org/domains/arpa created: 1985-01-01 changed: 2023-11-27 source: IANA