Home Prefix Lookup211.56.128.0/18

211.56.128.0/18 - DREAMLINE (AS9457)

IPv4APNICallocatedAS9457DREAMX-AS-KR - DREAMLINE CO.No ROA

CIDR

211.56.128.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇰🇷 South Korea

City

Seongnam-si (Songpa-daero)

RIR

APNIC

Status

allocated

Allocated

2000-02-16

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
211.56.128.0/18	AS9457 DREAMX-AS-KR - DREAMLINE CO.	No ROA	Other IRR	2026-10-12

More-Specific Announcements

21 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
211.56.131.0/24	AS21859 ZEN-ECN - Zenlayer Inc	No ROA	-	2026-10-12
211.56.132.0/24	AS21859 ZEN-ECN - Zenlayer Inc	No ROA	-	2026-10-12
211.56.133.0/24	AS21859 ZEN-ECN - Zenlayer Inc	No ROA	-	2026-10-12
211.56.134.0/24	AS21859 ZEN-ECN - Zenlayer Inc	No ROA	-	2026-10-12
211.56.152.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.153.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.154.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.155.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.156.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.158.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.160.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.162.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.163.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.164.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.165.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.166.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.167.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.170.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.171.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.173.0/24	AS38676 FLEXNET-AS-KR-KR - flexnetworks	No ROA	-	2026-10-12
211.56.186.0/24	AS9457 DREAMX-AS-KR - DREAMLINE CO.	No ROA	-	2026-10-12

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS9457	Other IRR	MAINT-AS4637	2023-11-13

Origin ASN

AS9457

DREAMX-AS-KR - DREAMLINE CO.

Related Prefixes

More prefixes of AS9457

All prefixes of AS9457 →

Geolocation

Country🇰🇷South KoreaKR

RegionGyeonggi-do

CitySeongnam-si (Songpa-daero)

Coordinates37.5153, 127.1000 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/211.56.128.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/211.56.128.0/18" | jq

External Links

RIPEstat