ASN AS26 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS26?

AS26 is listed under Cornell University.

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.

AS26 Cornell University | IPGeolocation.io

ASN Lookup Tool

Cornell University cornell.edu

US 7 Routes

AS Data

AS26

AS26 – Cornell University

AS Number	26
AS Name	CORNELL
Organization	Cornell University(cornel)
Country	US
Website	cornell.edu
Number of IPv4 Routes	6
Number of IPv6 Routes	1
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1984-08-10

ASN Intelligence API for production workflows

Use ASN data for AS26 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.122.235.0/24	AS26	Cornell University	Cornell University	256
192.122.236.0/24	AS26	Cornell University	Cornell University	256
2620:110:d000::/44	AS26	Cornell University	Cornell University	~19×10²⁴
192.35.82.0/24	AS26	Cornell University	Cornell Theory Center	256
128.84.0.0/16	AS26	Cornell University	Cornell University	65536
128.253.0.0/16	AS26	Cornell University	Cornell University	65536
132.236.0.0/16	AS26	Cornell University	Cornell University	65536

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:       26
ASName:         CORNELL
ASHandle:       AS26
RegDate:        1984-08-10
Updated:        2025-03-27    
Ref:            https://rdap.arin.net/registry/autnum/26


OrgName:        Cornell University
OrgId:          CORNEL
Address:        Cornell Information Technologies
Address:        757 Rhodes Hall
City:           Ithaca
StateProv:      NY
PostalCode:     14853
Country:        US
RegDate:        1984-08-10
Updated:        2025-03-27
Ref:            https://rdap.arin.net/registry/entity/CORNEL


OrgAbuseHandle: NOC33962-ARIN
OrgAbuseName:   NOC
OrgAbusePhone:  +1-607-255-5500 
OrgAbuseEmail:  noc@cornell.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC33962-ARIN

OrgTechHandle: BRADL365-ARIN
OrgTechName:   Bradley, Scott 
OrgTechPhone:  +1-607-255-2626 
OrgTechEmail:  srb3@cornell.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/BRADL365-ARIN

OrgTechHandle: MULDO2-ARIN
OrgTechName:   Muldoon, Trent 
OrgTechPhone:  +1-607-255-2245 
OrgTechEmail:  tnm-arin@cornell.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/MULDO2-ARIN

RNOCHandle: NOC33962-ARIN
RNOCName:   NOC
RNOCPhone:  +1-607-255-5500 
RNOCEmail:  noc@cornell.edu
RNOCRef:    https://rdap.arin.net/registry/entity/NOC33962-ARIN

RTechHandle: BRADL365-ARIN
RTechName:   Bradley, Scott 
RTechPhone:  +1-607-255-2626 
RTechEmail:  srb3@cornell.edu
RTechRef:    https://rdap.arin.net/registry/entity/BRADL365-ARIN

RTechHandle: MULDO2-ARIN
RTechName:   Muldoon, Trent 
RTechPhone:  +1-607-255-2245 
RTechEmail:  tnm-arin@cornell.edu
RTechRef:    https://rdap.arin.net/registry/entity/MULDO2-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
AS1299	Arelion Sweden AB	SE
AS3754	NYSERNet	US
AS13536	FirstLight Fiber, Inc.	US
AS3630	NYSERNet	US

Upstreams

AS Number	Description	Country
AS1299	Arelion Sweden AB	SE
AS3754	NYSERNet	US
AS13536	FirstLight Fiber, Inc.	US
AS3630	NYSERNet	US