% dig -x 122.133.170.136

; <<>> DiG 9.10.6 <<>> -x 122.133.170.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 30291
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;136.170.133.122.in-addr.arpa. IN PTR

;; ANSWER SECTION:
136.170.133.122.in-addr.arpa. 21599 IN PTR flh3-122-133-170-136.osk.mesh.ad.jp.

;; Query time: 42 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon May 24 05:44:51 JST 2021
;; MSG SIZE rcvd: 106