Home Prefix Lookup221.135.20.0/22

221.135.20.0/22 - Sify Limited (AS9583)

IPv4APNICannouncedAS9583SIFY-AS-IN - Sify Limited RPKI Valid

CIDR

221.135.20.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇮🇳 India

City

Chennai (Kasturba Nagar)

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
221.135.20.0/22	AS9583 SIFY-AS-IN - Sify Limited	Valid	APNICOther IRR	2026-10-13

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
221.135.20.0/22	AS9583	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS9583	APNIC	MAINT-IN-SIFY	2025-12-14
AS9583	Other IRR	MAINT-AS4637	2023-11-13

More Specific Prefixes

Prefix	Country	Status
221.135.20.0/25	🇮🇳IN	assigned
221.135.20.128/26	🇮🇳IN	assigned
221.135.20.192/27	🇮🇳IN	assigned
221.135.20.224/28	🇮🇳IN	assigned
221.135.20.240/29	🇮🇳IN	assigned
221.135.20.248/30	🇮🇳IN	assigned
221.135.20.252/31	🇮🇳IN	assigned
221.135.20.254/32	🇮🇳IN	assigned
221.135.21.0/25	🇮🇳IN	assigned
221.135.21.128/26	🇮🇳IN	assigned
221.135.21.192/27	🇮🇳IN	assigned
221.135.21.224/28	🇮🇳IN	assigned
221.135.21.240/29	🇮🇳IN	assigned
221.135.21.248/30	🇮🇳IN	assigned
221.135.21.252/31	🇮🇳IN	assigned
221.135.21.254/32	🇮🇳IN	assigned
221.135.22.0/25	🇮🇳IN	assigned
221.135.22.128/26	🇮🇳IN	assigned
221.135.22.192/27	🇮🇳IN	assigned
221.135.22.224/28	🇮🇳IN	assigned
221.135.22.240/29	🇮🇳IN	assigned
221.135.22.248/30	🇮🇳IN	assigned
221.135.22.252/31	🇮🇳IN	assigned
221.135.22.254/32	🇮🇳IN	assigned
221.135.23.0/25	🇮🇳IN	assigned
221.135.23.128/26	🇮🇳IN	assigned
221.135.23.192/27	🇮🇳IN	assigned
221.135.23.224/28	🇮🇳IN	assigned
221.135.23.240/29	🇮🇳IN	assigned
221.135.23.248/30	🇮🇳IN	assigned
221.135.23.252/31	🇮🇳IN	assigned
221.135.23.254/32	🇮🇳IN	assigned

Origin ASN

AS9583

SIFY-AS-IN - Sify Limited

Related Prefixes

More prefixes of AS9583

All prefixes of AS9583 →

Geolocation

Country🇮🇳IndiaIN

RegionTamil Nadu

CityChennai (Kasturba Nagar)

Coordinates13.0061, 80.2484 ↗

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/221.135.20.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/221.135.20.0/22" | jq

External Links

RIPEstat