[ IP ]

167.73.31.39

#371,869Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #371,869(9 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen: Wed Jul 15 2026 17:43:19 GM
Last seen: Fri Aug 28 2026 22:15:05 GM
PDNS hits (90 days): 9
Country: US
Snapshot: 1970-01-01

Network operated by Spectrum Health (SPECT-19-Z) (SPECTRUM-HEALTH).

List rank history

29 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more accumulated passive-DNS observation evidence.

Whois — 167.73.31.39

Netname: SPECTRUM-HEALTH
Organization: Spectrum Health (SPECT-19-Z)
Country: US
ASN: —

Full whois record


#
# 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.
#


NetRange:       167.73.0.0 - 167.73.255.255
CIDR:           167.73.0.0/16
NetName:        SPECTRUM-HEALTH
NetHandle:      NET-167-73-0-0-1
Parent:         NET167 (NET-167-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Spectrum Health (SPECT-19-Z)
RegDate:        1993-05-11
Updated:        2025-08-11
Comment:        -----BEGIN CERTIFICATE-----
Comment:        MIIEJTCCAw2gAwIBAgIUaSE7RUHwPBxaOxzSbkHF/zq+BqkwDQYJKoZIhvcNAQEL
Comment:        BQAwgaExCzAJBgNVBAYTAlVTMREwDwYDVQQIDAhNaWNoaWdhbjEVMBMGA1UEBwwM
Comment:        R3JhbmQgUmFwaWRzMRgwFgYDVQQKDA9Db3Jld2VsbCBIZWFsdGgxGzAZBgNVBAMM
Comment:        EmNvcmV3ZWxsaGVhbHRoLm9yZzExMC8GCSqGSIb3DQEJARYiZGFuaWVsLmhlYXRo
Comment:        bWFuQGNvcmV3ZWxsaGVhbHRoLm9yZzAeFw0yNTA4MDExMzM0MzlaFw0yNjA4MDEx
Comment:        MzM0MzlaMIGhMQswCQYDVQQGEwJVUzERMA8GA1UECAwITWljaGlYW4xFTATBgNV
Comment:        BAcMDEdyYW5kIFJhcGlkczEYMBYGA1UECgwPQ29yZXdlbGwgSGVhbHRoMRswGQYD
Comment:        VQQDDBJjb3Jld2VsbGhlYWx0aC5vcmcxMTAvBgkqhkiG9w0BCQEWImRhbmllbC5o
Comment:        ZWF0aG1hbkBjb3Jld2VsbGhlYWx0aC5vcmcwggEiMA0GCSqGSIb3DQEBAQUAA4IB
Comment:        DwAwggEKAoIBAQCg2U0PxjEZyFlmddZtGt27z+RJb52egIQAfyms1R4Ma45fdpi
Comment:        2GtTFj+js5iIheCCL40/VFUqS23DhpFh2jp0mZwT8GD4vbl59TR5Ha9uAIbVjE
Comment:        MyD7pENPy1Wl+jUk+mvPjfDAt643TXuFLHSb+YbRTgypDeizdvQpFPaqMIpbH
Comment:        3sR4sbOpo/Rq8Fo/OV1GL2VO/3PlhHcZbw8jjv+HoeOW8zg4NjgMMugEKSgc18
Comment:        H4U4xwvuGbTpRZPc4zu6Xd3RPJiv/mGYC0jLtQ+HZgQXmZ1fHD9MZhfW6VBsJhpF
Comment:        HbLuEbmdEyaCozctNOtsLAc4cz9DPDgYRVLTAgMBAAGjUzBRMB0GA1UdDgQWBBS/
Comment:        9crYqgLo9BpWYVRvGAjK5QDjAfBgNVHSMEGDAWgBS/9crYqgLo9BpWYVRvGA
Comment:        jK5QDjAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQBv4RwILkiV
Comment:        aiUP8psqczvkZWD3i8oDDrlTf+1Z9GlYsMFiLkz2Mr2tevZ+l7WMz/mIEPgbdg
Comment:        8wtPxX1jy6XL9SOb9P3kPr3daKuOi34uOJiT5qf7l5CtFBWZp/pdkc5cBuBsEsP
Comment:        2xmPE+mm/BtQRIB4aiD7kBOE543pG+MrB8o2bVtA5/QCAXPKmkNrVs9ytz1AbREl
Comment:        ATANoqPKXTjcazypf8LiEUkbBr4Wmf631AbaRBxwjvuQ8WglRxYMj1Ahfx2xYvm
Comment:        EJiC1lTR8PkCObHHMTZ579s3aEomC5OeK5MwS50afl7JjAy2oToVHRSiRDFSp
Comment:        SdJhyAzcDLas
Comment:        -----END CERTIFICATE-----
Ref:            https://rdap.arin.net/registry/ip/167.73.0.0


OrgName:        Spectrum Health
OrgId:          SPECT-19-Z
Address:        100 Michigan St NE
Address:        Mail Code 064
City:           Grand Rapids
StateProv:      MI
PostalCode:     49503
Country:        US
RegDate:        2009-03-25
Updated:        2026-01-27
Ref:            https://rdap.arin.net/registry/entity/SPECT-19-Z


OrgTechHandle: DALDI-ARIN
OrgTechName:   Daldine, Ken 
OrgTechPhone:  +1-248-597-7031 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/DALDI-ARIN

OrgTechHandle: TELEC3-ARIN
OrgTechName:   Telecommunications Manager
OrgTechPhone:  +1-616-486-4260 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/TELEC3-ARIN

OrgDNSHandle: DALDI-ARIN
OrgDNSName:   Daldine, Ken 
OrgDNSPhone:  +1-248-597-7031 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/DALDI-ARIN

OrgTechHandle: NETWO425-ARIN
OrgTechName:   Network Administrators
OrgTechPhone:  +1-616-486-4888 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO425-ARIN

OrgAbuseHandle: NETWO425-ARIN
OrgAbuseName:   Network Administrators
OrgAbusePhone:  +1-616-486-4888 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO425-ARIN

OrgTechHandle: GRESH26-ARIN
OrgTechName:   Gresham, William 
OrgTechPhone:  +1-616-460-5274 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/GRESH26-ARIN

OrgTechHandle: TOROD-ARIN
OrgTechName:   Torode, David 
OrgTechPhone:  +1-248-766-2584 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/TOROD-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.
#

Hosted domains — PDNS pivot

Domain	Rank	First seen	Last seen	Hits
spectrumhealth.org	#1,731,692	2026-07-15	2026-08-28	9