#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#
# start
NetRange: 204.157.0.0 - 204.157.255.255
CIDR: 204.157.0.0/16
NetName: COGENT-204-157-16
NetHandle: NET-204-157-0-0-1
Parent: NET204 (NET-204-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Cogent Communications, LLC (COGC)
RegDate: 1994-09-21
Updated: 2025-09-23
Ref: https://rdap.arin.net/registry/ip/204.157.0.0
OrgName: Cogent Communications, LLC
OrgId: COGC
Address: 2450 N Street NW
City: Washington
StateProv: DC
PostalCode: 20037
Country: US
RegDate: 2000-05-30
Updated: 2025-09-23
Comment: Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref: https://rdap.arin.net/registry/entity/COGC
ReferralServer: rwhois://rwhois.cogentco.com:4321
OrgTechHandle: IPALL-ARIN
OrgTechName: IP Allocation
OrgTechPhone: +1-877-875-4311
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN
OrgNOCHandle: ZC108-ARIN
OrgNOCName: Cogent Communications
OrgNOCPhone: +1-877-875-4311
OrgNOCEmail:
[email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/ZC108-ARIN
OrgAbuseHandle: COGEN-ARIN
OrgAbuseName: Cogent Abuse
OrgAbusePhone: +1-877-875-4311
OrgAbuseEmail:
[email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN
# end
# start
NetRange: 204.157.112.0 - 204.157.119.255
CIDR: 204.157.112.0/21
NetName: BAY-COUNTRY-CGNT-NET-1
NetHandle: NET-204-157-112-0-1
Parent: COGENT-204-157-16 (NET-204-157-0-0-1)
NetType: Reallocated
OriginAS:
Organization: Bay Country Communications, Inc. (BAYCO-1)
RegDate: 2021-04-13
Updated: 2021-04-13
Ref: https://rdap.arin.net/registry/ip/204.157.112.0
OrgName: Bay Country Communications, Inc.
OrgId: BAYCO-1
Address: Bay Country Communications Inc
Address: PO Box 249
City: East New Market
StateProv: MD
PostalCode: 21631
Country: US
RegDate: 2008-10-02
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/BAYCO-1
OrgTechHandle: GML30-ARIN
OrgTechName: Larsen, Grady M
OrgTechPhone: +1-804-814-5334
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/GML30-ARIN
OrgAbuseHandle: ABUSE2052-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-410-901-2224
OrgAbuseEmail:
[email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2052-ARIN
OrgNOCHandle: BRO149-ARIN
OrgNOCName: Roche, Brian
OrgNOCPhone: +1-410-901-2224
OrgNOCEmail:
[email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/BRO149-ARIN
OrgTechHandle: BRO149-ARIN
OrgTechName: Roche, Brian
OrgTechPhone: +1-410-901-2224
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/BRO149-ARIN
OrgTechHandle: CJL16-ARIN
OrgTechName: Larsen, Carl Jonathan
OrgTechPhone: +1-804-368-0421
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/CJL16-ARIN
# end
#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#
Found a referral to rwhois.cogentco.com:4321.
%rwhois V-1.5:0010b0:00 rwhois.cogentco.com (CGNT rwhoisd 1.2.1)
network:ID:NET4-CC9D700015
network:Network-Name:NET4-CC9D700015
network:IP-Network:204.157.112.0/21
network:Org-Name:Bay Country Communications, Inc.
network:Street-Address:502 MARYLAND AVENUE
network:City:CAMBRIDGE
network:State:MD
network:Country:US
network:Postal-Code:21613
network:Tech-Contact:ZC108-ARIN
network:Updated:2024-05-13 18:07:31
%ok
Map neighboring IP addresses and identify potential subnet associations.