ASN AS25966 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS25966?

AS25966 is listed under Coherent Inc..

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS25966 Coherent Inc. | IPGeolocation.io

ASN Lookup Tool

Coherent Inc. coherent.com

US 3 Routes

AS Data

AS25966

AS25966 – Coherent Inc.

AS Number	25966
AS Name	COHERENT
Organization	Coherent Inc.(cohere)
Country	US
Website	coherent.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2005-07-06

ASN Intelligence API for production workflows

Use ASN data for AS25966 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.212.210.0/24	AS25966	Coherent Inc.	Coherent Inc.	256
198.212.208.0/24	AS25966	Coherent Inc.	Coherent Inc.	256
198.212.209.0/24	AS25966	Coherent Inc.	Coherent Inc.	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       25966
ASName:         COHERENT
ASHandle:       AS25966
RegDate:        2005-07-06
Updated:        2021-05-20    
Ref:            https://rdap.arin.net/registry/autnum/25966


OrgName:        Coherent Inc.
OrgId:          COHERE
Address:        5100 Patrick Henry Drive
City:           Santa Clara
StateProv:      CA
PostalCode:     94054
Country:        US
RegDate:        1994-06-14
Updated:        2024-11-11
Ref:            https://rdap.arin.net/registry/entity/COHERE


OrgTechHandle: SANCH770-ARIN
OrgTechName:   Sanchez, Jaime 
OrgTechPhone:  +1-408-764-4533 
OrgTechEmail:  jaime.sanchez@coherent.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SANCH770-ARIN

OrgTechHandle: HOANG64-ARIN
OrgTechName:   Hoang, Tony 
OrgTechPhone:  +1-408-764-4360 
OrgTechEmail:  tony.hoang@coherent.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HOANG64-ARIN

OrgAbuseHandle: KTR50-ARIN
OrgAbuseName:   tran, khoa 
OrgAbusePhone:  +1-408-486-8436 
OrgAbuseEmail:  khoa.tran@coherent.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KTR50-ARIN

OrgAbuseHandle: DANGT4-ARIN
OrgAbuseName:   Dang, Tung 
OrgAbusePhone:  +1-408-507-9958 
OrgAbuseEmail:  tung.dang@coherent.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DANGT4-ARIN

OrgTechHandle: DANGT4-ARIN
OrgTechName:   Dang, Tung 
OrgTechPhone:  +1-408-507-9958 
OrgTechEmail:  tung.dang@coherent.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DANGT4-ARIN

RTechHandle: KTR50-ARIN
RTechName:   tran, khoa 
RTechPhone:  +1-408-486-8436 
RTechEmail:  khoa.tran@coherent.com
RTechRef:    https://rdap.arin.net/registry/entity/KTR50-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS19893	NTT Global Data Centers Americas, INC.	US
AS701	Verizon Business/UUnet	US
AS701	Verizon Business	US

Upstreams

AS Number	Description	Country
AS19893	NTT Global Data Centers Americas, INC.	US
AS701	Verizon Business	US