WorldIP.io

IPv4 Address

121.148.0.20

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

Within

121.144.0.0/12

CIDR

121.148.0.0/20

/20 · 4.1K IPs

ASN

AS4766

Korea Telecom

Reverse DNS

Loading…

Checking PTR record

Blocklisted

Checking…

Scanning blocklists

Allocation details

CIDR range: 121.148.0.0/20
IP range (int): 2,039,742,464 — 2,039,746,559
Prefix length: /20
Organization: Korea Telecom
ASN: AS4766
ASN name: Korea Telecom
Country: South Korea
City: Nam-gu
Coordinates: 35.117700, 126.908700
Postal code: 617
Accuracy radius: 100 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.

121.148.0.12 121.148.0.13 121.148.0.14 121.148.0.15 121.148.0.16 121.148.0.17 121.148.0.18 121.148.0.19 121.148.0.21 121.148.0.22 121.148.0.23 121.148.0.24 121.148.0.25 121.148.0.26 121.148.0.27 121.148.0.28 See all in 121.144.0.0/12 →

Related

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

Share