.arpa

String Information
A-label ASCII form of the domain name, which is used internally in the DNS to represent this domain using the IDNA protocol
arpa
Category Classification based on purpose and governing global allocation policy
Special-use top-level domain
Script The writing system (script) used for this domain label
Latin Latn
Status The current delegation status of the string
Active
Manager

Internet Architecture Board (IAB)

Address
c/o IETF Administration LLC
1000 N. West St.
Suite 1200
Wilmington, DE 19801
United States of America (the)
Contacts

Internet Architecture Board (IAB)

Administrative

Organization
Internet Architecture Board (IAB)
Address
c/o IETF Administration LLC
1000 N. West St.
Suite 1200
Wilmington, DE 19801
United States of America (the)
Email
@
Phone
+1 510 492 4080
Fax
+1 510 492 4001

Internet Assigned Numbers Authority (IANA)

Technical

Organization
Internet Corporation for Assigned Names and Numbers (ICANN)
Address
12025 Waterfront Drive
Suite 300
Los Angeles, CA 90094
United States of America (the)
Email
@
Phone
+1 310 301 5800
Fax
+1 310 823-8649
Additional Information
Website
https://www.iana.org/domains/arpa
RDAP Base URLs
-
WHOIS Server
whois.iana.org
Technical Status
Delegated
a.ns.arpa 198.41.0.4, 2001:503:ba3e:0:0:0:2:30
b.ns.arpa 170.247.170.2, 2801:1b8:10:0:0:0:0:b
c.ns.arpa 192.33.4.12, 2001:500:2:0:0:0:0:c
d.ns.arpa 199.7.91.13, 2001:500:2d:0:0:0:0:d
e.ns.arpa 192.203.230.10, 2001:500:a8:0:0:0:0:e
f.ns.arpa 192.5.5.241, 2001:500:2f:0:0:0:0:f
g.ns.arpa 192.112.36.4, 2001:500:12:0:0:0:0:d0d
h.ns.arpa 198.97.190.53, 2001:500:1:0:0:0:0:53
i.ns.arpa 192.36.148.17, 2001:7fe:0:0:0:0:0:53
k.ns.arpa 193.0.14.129, 2001:7fd:0:0:0:0:0:1
l.ns.arpa 199.7.83.42, 2001:500:9f:0:0:0:0:42
m.ns.arpa 202.12.27.33, 2001:dc3:0:0:0:0:0:35
Secure delegation
42581 8 2 f28391c1ed4dc0f151edd251a3103dce0b9a5a251acf6e24073771d71f3c40f9
Remarks
The .arpa top-level domain is the “Address and Routing Parameter Area” domain and is designated to be used exclusively for Internet-infrastructure purposes. IANA administers the domain in cooperation with the Internet technical community through the guidance of the Internet Architecture Board.

For further information, see Management Guidelines & Operational Requirements for the Address and Routing Parameter Area Domain ("arpa") (RFC 3172).

Last Updated
2023-11-27