128.106.21.0/24

🇸🇬

IPv4APNICannouncedAS3758SINGNET - SingNet RPKI Valid

CIDR

128.106.21.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇸🇬 Singapore

City

Singapore (Geylang)

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
128.106.21.0/24	AS3758SINGNET - SingNet	Valid	APNIC	6/1/2026

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
128.106.0.0/18	AS3758SINGNET - SingNet	Valid	—	6/1/2026

Prefix	Origin	Max Length	Trust Anchor
128.106.0.0/18	AS3758	/24	apnic
128.106.0.0/18	AS19905	/24	apnic

Origin	Registry	Maintainer	Modified
AS3758	APNIC	MAINT-SG-SINGNET	10/24/2019
AS19905	APNIC	MAINT-SG-SINGNET	8/23/2024

Prefix	Country	Status
128.106.21.0/28	🇸🇬SG	assigned
128.106.21.16/28	🇸🇬SG	assigned
128.106.21.32/28	🇸🇬SG	assigned
128.106.21.48/28	🇸🇬SG	assigned
128.106.21.208/28	🇸🇬SG	assigned
128.106.21.96/28	🇸🇬SG	assigned
128.106.21.160/28	🇸🇬SG	assigned
128.106.21.64/28	🇸🇬SG	assigned
128.106.21.112/28	🇸🇬SG	assigned
128.106.21.176/28	🇸🇬SG	assigned

Origin ASN

Geolocation

Country🇸🇬SingaporeSG

CitySingapore (Geylang)

API

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

curl -s "https://api.ipctl.io/v1/prefix/128.106.21.0/24" | jq

External Links