HomePrefix Lookup113.21.0.0/16

113.21.0.0/16

🇰🇷
IPv4RIPEassignedNo ROA
CIDR
113.21.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇰🇷 South Korea
City
Jeju-si (Cheomdan-ro)
RIR
RIPE
Status
assigned
Allocated
-

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

102 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
113.21.128.0/19AS703UUNET - Verizon BusinessNo ROA—6/13/2026
113.21.160.0/20AS9244ASN-DYXNET-TW-AP # AS-DYXNET-TW-AP converted to ASN-DYXNET-TW-AP for RPSL compliance - Diyixian.com (TW) Limited Valid—6/13/2026
113.21.96.0/20AS17480CANL - CANL Valid—6/13/2026
113.21.112.0/20AS17480CANL - CANL Valid—6/13/2026
113.21.48.0/20AS17534NSK - NSK Co.,Ltd.No ROA—6/13/2026
113.21.32.0/20AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.176.0/21AS9244ASN-DYXNET-TW-AP # AS-DYXNET-TW-AP converted to ASN-DYXNET-TW-AP for RPSL compliance - Diyixian.com (TW) Limited Valid—6/13/2026
113.21.248.0/21AS23627UCVNET - UEDA CABLE VISION CO.,LTD.No ROA—6/13/2026
113.21.32.0/21AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.40.0/21AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.64.0/21AS45775WISHNET-AS-AP - WISH NET PRIVATE LIMITED Valid—6/13/2026
113.21.188.0/22AS9244ASN-DYXNET-TW-AP # AS-DYXNET-TW-AP converted to ASN-DYXNET-TW-AP for RPSL compliance - Diyixian.com (TW) Limited Valid—6/13/2026
113.21.244.0/22AS38082IIT-TIG-AS-AP - True International Gateway Co., Ltd. Valid—6/13/2026
113.21.240.0/22AS38082IIT-TIG-AS-AP - True International Gateway Co., Ltd. Valid—6/13/2026
113.21.40.0/22AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.36.0/22AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.32.0/22AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.44.0/22AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.228.0/22AS45766TRIANGLESERVICES - Triangle Services Limited. Valid—6/13/2026
113.21.72.0/22AS45775WISHNET-AS-AP - WISH NET PRIVATE LIMITED Valid—6/13/2026
113.21.76.0/22AS45775WISHNET-AS-AP - WISH NET PRIVATE LIMITED Valid—6/13/2026
113.21.224.0/22AS56030VOYAGERNET-AS-AP - Voyager Internet Ltd.No ROA—6/13/2026
113.21.190.0/23AS9244ASN-DYXNET-TW-AP # AS-DYXNET-TW-AP converted to ASN-DYXNET-TW-AP for RPSL compliance - Diyixian.com (TW) Limited Valid—6/13/2026
113.21.36.0/23AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.44.0/23AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.34.0/23AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.42.0/23AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.46.0/23AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.32.0/23AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.38.0/23AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.40.0/23AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.228.0/23AS45766TRIANGLESERVICES - Triangle Services Limited. Valid—6/13/2026
113.21.230.0/23AS45766TRIANGLESERVICES - Triangle Services Limited. Valid—6/13/2026
113.21.239.0/24AS4812CHINANET-SH-AP - China Telecom (Group) Valid—6/13/2026
113.21.236.0/24AS4812CHINANET-SH-AP - China Telecom (Group) Valid—6/13/2026
113.21.237.0/24AS4812CHINANET-SH-AP - China Telecom (Group) Valid—6/13/2026
113.21.238.0/24AS4812CHINANET-SH-AP - China Telecom (Group) Valid—6/13/2026
113.21.173.0/24AS9244ASN-DYXNET-TW-AP # AS-DYXNET-TW-AP converted to ASN-DYXNET-TW-AP for RPSL compliance - Diyixian.com (TW) Limited Valid—6/13/2026
113.21.190.0/24AS9244ASN-DYXNET-TW-AP # AS-DYXNET-TW-AP converted to ASN-DYXNET-TW-AP for RPSL compliance - Diyixian.com (TW) Limited Valid—6/13/2026
113.21.175.0/24AS9244ASN-DYXNET-TW-AP # AS-DYXNET-TW-AP converted to ASN-DYXNET-TW-AP for RPSL compliance - Diyixian.com (TW) Limited Valid—6/13/2026
113.21.184.0/24AS9584GENESIS-AP - Diyixian.com Limited Valid—6/13/2026
113.21.90.0/24AS17408ABOVE-AS-AP - AboveNet Communications Taiwan Valid—6/13/2026
113.21.95.0/24AS17408ABOVE-AS-AP - AboveNet Communications Taiwan Valid—6/13/2026
113.21.238.0/24AS17621CNCGROUP-SH - China Unicom Shanghai network Valid—6/13/2026
113.21.236.0/24AS17621CNCGROUP-SH - China Unicom Shanghai network Valid—6/13/2026
113.21.239.0/24AS17621CNCGROUP-SH - China Unicom Shanghai network Valid—6/13/2026
113.21.237.0/24AS17621CNCGROUP-SH - China Unicom Shanghai network Valid—6/13/2026
113.21.233.0/24AS17622CNCGROUP-GZ - China Unicom Guangzhou network Valid—6/13/2026
113.21.235.0/24AS17622CNCGROUP-GZ - China Unicom Guangzhou network Valid—6/13/2026
113.21.234.0/24AS17622CNCGROUP-GZ - China Unicom Guangzhou network Valid—6/13/2026
113.21.232.0/24AS17622CNCGROUP-GZ - China Unicom Guangzhou network Valid—6/13/2026
113.21.247.0/24AS38082IIT-TIG-AS-AP - True International Gateway Co., Ltd. Valid—6/13/2026
113.21.245.0/24AS38082IIT-TIG-AS-AP - True International Gateway Co., Ltd. Valid—6/13/2026
113.21.240.0/24AS38082IIT-TIG-AS-AP - True International Gateway Co., Ltd. Valid—6/13/2026
113.21.241.0/24AS38082IIT-TIG-AS-AP - True International Gateway Co., Ltd. Valid—6/13/2026
113.21.242.0/24AS38082IIT-TIG-AS-AP - True International Gateway Co., Ltd. Valid—6/13/2026
113.21.243.0/24AS38082IIT-TIG-AS-AP - True International Gateway Co., Ltd. Valid—6/13/2026
113.21.244.0/24AS38082IIT-TIG-AS-AP - True International Gateway Co., Ltd. Valid—6/13/2026
113.21.35.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.44.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.38.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.32.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.43.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.37.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.42.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.40.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.46.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.41.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.47.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.33.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.36.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.34.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.45.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.39.0/24AS38835VIAIP-AS-AP - Buroserv Australia Pty Ltd Valid—6/13/2026
113.21.214.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.215.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.217.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.218.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.219.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.220.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.223.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.200.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.199.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.194.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.202.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.204.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.205.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.206.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.208.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.213.0/24AS45474NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. Valid—6/13/2026
113.21.231.0/24AS45766TRIANGLESERVICES - Triangle Services Limited. Valid—6/13/2026
113.21.228.0/24AS45766TRIANGLESERVICES - Triangle Services Limited. Valid—6/13/2026
113.21.230.0/24AS45766TRIANGLESERVICES - Triangle Services Limited. Valid—6/13/2026
113.21.229.0/24AS45766TRIANGLESERVICES - Triangle Services Limited. Valid—6/13/2026
113.21.232.0/24AS131314CBC-AS-AP - CBC Tech International Limited Valid—6/13/2026
113.21.239.0/24AS131314CBC-AS-AP - CBC Tech International Limited Valid—6/13/2026
113.21.236.0/24AS131314CBC-AS-AP - CBC Tech International Limited Valid—6/13/2026
113.21.233.0/24AS131314CBC-AS-AP - CBC Tech International Limited Valid—6/13/2026
113.21.233.0/24AS134773ChinaNet-Guangdong-Guangzhou-MAN - CHINANET Guangdong province Guangzhou MAN network Valid—6/13/2026
113.21.232.0/24AS134773ChinaNet-Guangdong-Guangzhou-MAN - CHINANET Guangdong province Guangzhou MAN network Valid—6/13/2026
113.21.234.0/24AS134773ChinaNet-Guangdong-Guangzhou-MAN - CHINANET Guangdong province Guangzhou MAN network Valid—6/13/2026
113.21.92.0/24AS137263NETEASE-AS-AP - NETEASE HONG KONG LIMITED Valid—6/13/2026

More Specific Prefixes

79
PrefixASCountryStatus
113.21.128.0/19AS9337🇸🇬SGallocated
113.21.0.0/19🇰🇷KRallocated
113.21.192.0/19AS45474🇸🇬SGallocated
113.21.160.0/19🇹🇼TWallocated
113.21.112.0/20AS17480🇳🇨NCallocated
113.21.64.0/20🇮🇳INallocated
113.21.32.0/20AS38835🇦🇺AUallocated
113.21.80.0/20🇹🇼TWallocated
113.21.96.0/20AS17480🇳🇨NCallocated
113.21.48.0/20AS17534🇯🇵JPallocated
113.21.248.0/21AS23627🇯🇵JPallocated
113.21.240.0/21🇹🇭THallocated
113.21.112.0/21🇳🇨NCassigned
113.21.96.0/21🇳🇨NCassigned
113.21.236.0/22🇨🇳CNallocated
113.21.108.0/22🇳🇨NCassigned
113.21.232.0/22🇨🇳CNallocated
113.21.124.0/22🇳🇨NCassigned
113.21.228.0/22AS45766🇧🇩BDallocated
113.21.224.0/22AS56030🇳🇿NZallocated
113.21.122.0/23🇳🇨NCassigned
113.21.106.0/23🇳🇨NCassigned
113.21.104.0/24🇳🇨NCassigned
113.21.121.0/24🇳🇨NCassigned
113.21.120.0/24🇳🇨NCassigned
113.21.243.0/24AS38082🇹🇭THassigned
113.21.231.0/24AS45766🇧🇩BDassigned
113.21.246.0/24🇹🇭THassigned
113.21.105.0/24🇳🇨NCassigned
113.21.230.0/24AS45766🇧🇩BDassigned
113.21.229.0/25🇧🇩BDassigned
113.21.242.128/25🇹🇭THassigned
113.21.240.128/25🇹🇭THassigned
113.21.247.128/25🇹🇭THassigned
113.21.240.0/25🇹🇭THassigned
113.21.229.128/25🇧🇩BDassigned
113.21.241.128/25🇹🇭THassigned
113.21.244.128/25🇹🇭THassigned
113.21.228.0/25🇧🇩BDassigned
113.21.228.128/25🇧🇩BDassigned
113.21.245.64/26🇹🇭THassigned
113.21.241.64/26🇹🇭THassigned
113.21.242.64/26🇹🇭THassigned
113.21.38.64/26🇦🇺AUassigned
113.21.244.64/26🇹🇭THassigned
113.21.241.0/26🇹🇭THassigned
113.21.242.32/27🇹🇭THassigned
113.21.244.32/27🇹🇭THassigned
113.21.245.32/27🇹🇭THassigned
113.21.132.32/28🇲🇾MYassigned
113.21.242.16/28🇹🇭THassigned
113.21.245.16/28🇹🇭THassigned
113.21.145.0/28🇵🇭PHassigned
113.21.244.16/28🇹🇭THassigned
113.21.242.8/29🇹🇭THassigned
113.21.247.48/29🇹🇭THassigned
113.21.148.16/29🇮🇳INassigned
113.21.245.8/29🇹🇭THassigned
113.21.132.56/29🇭🇰HKassigned
113.21.244.8/29🇹🇭THassigned
113.21.128.0/30🇲🇾MYassigned
113.21.131.64/30🇦🇺AUassigned
113.21.131.92/30🇦🇺AUassigned
113.21.141.20/30🇮🇳INassigned
113.21.144.0/30🇵🇭PHassigned
113.21.128.20/30🇲🇾MYassigned
113.21.244.4/30🇹🇭THassigned
113.21.242.4/30🇹🇭THassigned
113.21.245.4/30🇹🇭THassigned
113.21.247.120/30🇹🇭THassigned
113.21.247.124/30🇹🇭THassigned
113.21.131.52/30🇦🇺AUassigned
113.21.148.24/30🇮🇳INassigned
113.21.128.40/30🇲🇾MYassigned
113.21.131.96/31🇦🇺AUassigned
113.21.244.2/31🇹🇭THassigned
113.21.245.2/31🇹🇭THassigned
113.21.244.1/32🇹🇭THassigned
113.21.245.1/32🇹🇭THassigned
Geolocation
Country🇰🇷South KoreaKR
RegionJeju-do
CityJeju-si (Cheomdan-ro)
Coordinates33.4550, 126.5710 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/113.21.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/113.21.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP