This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS54891 2 More Specifics 2 Total Advertisements MARVEL, US
72.166.189.0/24 72.166.0.0/16
208.184.114.0/24 208.184.0.0/15
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 72.166.189.0/24 Announced
+ 208.184.114.0/24 Announced
whois: 402590
IANA has recorded AS54891 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS54891\n
#
# 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: 54891
ASName: CATHRON-INFO-MAIN
ASHandle: AS54891
RegDate: 2026-01-08
Updated: 2026-05-02
Comment: -----BEGIN CERTIFICATE-----
Comment: MIIEKzCCAxOgAwIBAgIUQOwJ8tmIcHvX5xq1Jb9JXfVvpccwDQYJKoZIhvcNAQEL
Comment: BQAwgaQxCzAJBgNVBAYTAkNBMQswCQYDVQQIDAJPTjEPMA0GA1UEBwwGQXVyb3Jh
Comment: MScwJQYDVQQKDB5DYXRocm9uIEluZm9ybWF0aW9uIENvbnN1bHRpbmcxJzAlBgNV
Comment: BAMMHkNhdGhyb24gSW5mb3JtYXRpb24gQ29uc3VsdGluZzElMCMGCSqGSIb3DQEJ
Comment: ARYWYm95dS5jaGVuQGNhdGhyb24uaW5mbzAeFw0yNjA1MDIyMTM4NDhaFw0yNzA1
Comment: MDIyMTM4NDhaMIGkMQswCQYDVQQGEwJDQTELMAkGA1UECAwCT04xDzANBgNVBAcM
Comment: BkF1cm9yYTEnMCUGA1UECgweQ2F0aHJvbiBJbmZvcm1hdGlvbiBDb25zdWx0aW5n
Comment: MScwJQYDVQQDDB5DYXRocm9uIEluZm9ybWF0aW9uIENvbnN1bHRpbmcxJTAjBgkq
Comment: hkiG9w0BCQEWFmJveXUuY2hlbkBjYXRocm9uLmluZm8wggEiMA0GCSqGSIb3DQEB
Comment: AQUAA4IBDwAwggEKAoIBAQCMKsDa08Bk/v2qdajMXCM1IZujgn79PIWcwl/mtl/f
Comment: lmXn3F5XrDGOhRl9c+wTLtXp5suppOHkyavT6D/+FdtQqg63563ygn2kry0yc0xA
Comment: 0iaMUHjnPi6VhTHjgpwWYFc/mS6zkJ3ELo+IUpni47zv2X+yqp2W+WNl5Huvhmmx
Comment: v3zR7YFW082rCEyjY3SC6Fs+y8neOtqT3T9F0OPXaRwnIzHpdU7SflgqyVzWkAVD
Comment: 3Af8cdHzFQh5fR56rdzg0XzUm+MzlGicMw5WhQ2lyzYfxGs/ArShNtoYYiQcvybd
Comment: C43nS32P33scrxvNNFf7APqVHO5Vyae45nyGXcBhRG/rAgMBAAGjUzBRMB0GA1Ud
Comment: DgQWBBTGVs/Wt0WCowGeUf+6rBVUvihJLjAfBgNVHSMEGDAWgBTGVs/Wt0WCowGe
Comment: Uf+6rBVUvihJLjAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQB1
Comment: NzXaOfYChm0t7kUJZ9Hd5zvrgZqYw8QPJfZLm6/srVnMK1N6y5qiflu8+Y6TAu2o
Comment: mZs0ydMN5BP+Ly/+tzG7QBr+b5eo2dRE0KAVFpUHjYLxM3RflWNKXbStfqxZDNUg
Comment: Pgt+uOEJcDpMoDurEQ8elGGfo/7yXS6KODjJecVwgjvOc//+qMP/7IkfS4Gaj5V9
Comment: 6IMba1bB+U/YpLSZp0IUf0n4REiq9gfWpPtPpCUY59k/ahzXZ9+juc5qpVk9b6h2
Comment: Jq2xsaP8R2xTSVAh66HF5RJXVbcFhPs0uebbTMufuifqEB+d+MqwiKmynfw+5Tot
Comment: 6Yy816A0vbvSwVTj8bKA
Comment: -----END CERTIFICATE-----
Ref: https://rdap.arin.net/registry/autnum/54891
OrgName: CATHRON INFORMATION CONSULTING
OrgId: BC-2288
Address: 91 Hammond Dr
City: Aurora
StateProv: ON
PostalCode: L4G 2T8
Country: CA
RegDate: 2025-12-09
Updated: 2026-05-06
Ref: https://rdap.arin.net/registry/entity/BC-2288
OrgNOCHandle: ADMIN9243-ARIN
OrgNOCName: Admin
OrgNOCPhone: +1-753-881-6777
OrgNOCEmail: boyu.chen@cathron.info
OrgNOCRef: https://rdap.arin.net/registry/entity/ADMIN9243-ARIN
OrgTechHandle: ADMIN9243-ARIN
OrgTechName: Admin
OrgTechPhone: +1-753-881-6777
OrgTechEmail: boyu.chen@cathron.info
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN9243-ARIN
OrgAbuseHandle: ADMIN9243-ARIN
OrgAbuseName: Admin
OrgAbusePhone: +1-753-881-6777
OrgAbuseEmail: boyu.chen@cathron.info
OrgAbuseRef: https://rdap.arin.net/registry/entity/ADMIN9243-ARIN
OrgRoutingHandle: ADMIN9243-ARIN
OrgRoutingName: Admin
OrgRoutingPhone: +1-753-881-6777
OrgRoutingEmail: boyu.chen@cathron.info
OrgRoutingRef: https://rdap.arin.net/registry/entity/ADMIN9243-ARIN
OrgDNSHandle: ADMIN9243-ARIN
OrgDNSName: Admin
OrgDNSPhone: +1-753-881-6777
OrgDNSEmail: boyu.chen@cathron.info
OrgDNSRef: https://rdap.arin.net/registry/entity/ADMIN9243-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.
#