Home Prefix Lookup206.135.176.0/20

206.135.176.0/20 - GTT BACKBONE GTT Communications (AS3257)

IPv4ARINannouncedAS3257GTT-BACKBONE GTT Communications Inc. RPKI Valid

CIDR

206.135.176.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇵🇰 US

City

Karachi

RIR

ARIN

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
206.135.176.0/20	AS3257 GTT-BACKBONE GTT Communications Inc.	Valid	-	2026-10-12

Related Announcements

1 less-specific, 14 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
206.135.0.0/16	AS3257 GTT-BACKBONE GTT Communications Inc.	No ROA	-	2026-10-12
206.135.176.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.177.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.178.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.179.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.180.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.181.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.182.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.183.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.185.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.186.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.187.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.188.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.189.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12
206.135.190.0/24	AS9541 CYBERNET-AP - Cyber Internet Services (Pvt) Ltd.	Invalid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
206.135.160.0/19	AS3257	/24	arin

Transfer History

Registry transfers of 206.135.176.0/20, blocks inside it, or blocks containing it.

206.135.0.0/16M&A · 2025-05-07
GTT
🇺🇸 US ARIN
→
GTT Americas, LLC
🇺🇸 US ARIN
206.135.0.0/16M&A · 2024-07-09
MegaPath Networks Inc.
🇺🇸 US ARIN
→
GTT
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-05-07	206.135.0.0/16	GTT 🇺🇸 US ARIN	GTT Americas, LLC 🇺🇸 US ARIN	M&A
2024-07-09	206.135.0.0/16	MegaPath Networks Inc. 🇺🇸 US ARIN	GTT 🇺🇸 US ARIN	M&A

Origin ASN

AS3257

GTT-BACKBONE GTT Communications Inc.

Related Prefixes

Covering prefix

206.135.0.0/16AS3257

More prefixes of AS3257

All prefixes of AS3257 →

Geolocation

Country🇵🇰USPK

CityKarachi

Coordinates24.8608, 67.0104 ↗

Abuse Contact

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 ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/206.135.176.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/206.135.176.0/20" | jq

External Links

RIPEstat