Domain, IP & ASN lookup.

% IANA WHOIS server
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% This query returned 1 object

domain:       IN-ADDR-SERVERS.ARPA

organisation: Internet Architecture Board (IAB)
address:      c/o IETF Administration LLC
address:      1000 N. West St.
address:      Suite 1200
address:      Wilmington Delaware 19801
address:      United States

contact:      administrative
organisation: Internet Architecture Board (IAB)
address:      c/o IETF Administration LLC
address:      1000 N. West St.
address:      Suite 1200
address:      Wilmington Delaware 19801
address:      United States
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 California 90094
address:      United States
phone:        +1 310 301 5800
fax-no:       +1 310 823 8649
e-mail:       tld-contact@iana.org

nserver:      A.IN-ADDR-SERVERS.ARPA 199.180.182.53 2620:37:e000::53
nserver:      B.IN-ADDR-SERVERS.ARPA 199.253.183.183 2001:500:87:0:0:0:0:87
nserver:      C.IN-ADDR-SERVERS.ARPA 196.216.169.10 2001:43f8:110::10
nserver:      D.IN-ADDR-SERVERS.ARPA 200.10.60.53 2001:13c7:7010::53
nserver:      E.IN-ADDR-SERVERS.ARPA 2001:dd8:6::101 203.119.86.101
nserver:      F.IN-ADDR-SERVERS.ARPA 193.0.9.1 2a13:27c0:30::1
ds-rdata:     1987 8 2 DACFDEB02A489A514C6408D0D54E0904FE6E09A6E111ABC9EACB27F6552805E1
ds-rdata:     45104 8 2 50136F7A8D3FFE4F9887AD234FF8CE945CABD331FEB12569B2F61F99CE40FDBF
ds-rdata:     62996 8 2 836537710EFC1E5570E3AEFF7C0C80D3957A16DDF8005034BC9082898968DC81

remarks:      This domain is administered as part of the .ARPA zone
remarks:      management, described at https://iana.org/domains/arpa

created:      2010-04-29
changed:      2025-07-10
source:       IANA