ASN Lookup Tool

Software Engineering Institute sei.cmu.edu US US 4 Routes

AS Data

AS36407

AS36407Software Engineering Institute

AS Number 36407
AS Name CERT
Organization Software Engineering Institute(cert-1)
Country US
Website sei.cmu.edu
Number of IPv4 Routes 3
Number of IPv6 Routes 1
ASN type EDUCATION
Registry ARIN
Date Allocated 2005-12-22

ASN Intelligence API for production workflows

Use ASN data for AS36407 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
192.88.209.0/24 256
147.72.252.0/22 1024
2620:8b:4000::/48 ~1×10²⁴
192.88.210.0/24 256

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:       36407
ASName:         CERT
ASHandle:       AS36407
RegDate:        2005-12-22
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/36407


OrgName:        Software Engineering Institute
OrgId:          CERT-1
Address:        Software Engineering Institute
Address:        Carnegie Mellon University
Address:        4500 Fifth Avenue
City:           Pittsburgh
StateProv:      PA
PostalCode:     15213
Country:        US
RegDate:        1991-01-11
Updated:        2014-08-13
Ref:            https://rdap.arin.net/registry/entity/CERT-1


OrgNOCHandle: SIT6-ARIN
OrgNOCName:   SEI Information Technology
OrgNOCPhone:  +1-412-268-3416 
OrgNOCEmail:  it-netreg@sei.cmu.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/SIT6-ARIN

OrgTechHandle: SIT6-ARIN
OrgTechName:   SEI Information Technology
OrgTechPhone:  +1-412-268-3416 
OrgTechEmail:  it-netreg@sei.cmu.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/SIT6-ARIN

OrgAbuseHandle: SIT6-ARIN
OrgAbuseName:   SEI Information Technology
OrgAbusePhone:  +1-412-268-3416 
OrgAbuseEmail:  it-netreg@sei.cmu.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SIT6-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
AS5050 Pittsburgh Supercomputing Center US
AS46887 Crown Castle Fiber LLC US

Upstreams

AS Number Description Country
AS5050 Pittsburgh Supercomputing Center US
AS46887 Crown Castle Fiber LLC US

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Frequently Asked Questions

ASN AS36407 is an Autonomous System Number used to identify a network for BGP internet routing.
AS36407 is listed under Software Engineering Institute.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.