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IPv4 Address

121.165.255.255

Korea Telecom AS4766 · Korea Telecom South Korea Gangnam-gu APNIC

Within

121.164.0.0/14

CIDR

121.165.240.0/20

/20 · 4.1K IPs

ASN

AS4766

Korea Telecom

Reverse DNS

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Allocation details

CIDR range: 121.165.240.0/20
IP range (int): 2,040,918,016 — 2,040,922,111
Prefix length: /20
Organization: Korea Telecom
ASN: AS4766
ASN name: Korea Telecom
Country: South Korea
City: Gangnam-gu
Coordinates: 37.509300, 127.046500
Postal code: 061
Accuracy radius: 5 km
RIR: APNIC
Data source(s): maxmind_city, maxmind_asn, maxmind_country
Last updated: 2026-04-16 09:27:16

Neighbors

Other addresses in the same /24.

121.165.255.247 121.165.255.248 121.165.255.249 121.165.255.250 121.165.255.251 121.165.255.252 121.165.255.253 121.165.255.254 See all in 121.164.0.0/14 →

Related

/24 neighborhood /16 block /8 block All AS4766 ranges All Korea Telecom ranges All South Korea IPs

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