Whois查询

查询域名、IP或ASN的注册信息、到期时间、注册商等详细信息

示例： google.com · baidu.com · github.com · 8.8.8.8 · 211.234.110.0/24 · AS13335
注册信息
38.2.0.0/19
IP 范围
38.2.0.0 - 38.2.31.255
CIDR
38.2.0.0/19
网络名称
MAINSTREAM-FIBER-CGNT-NET-1
组织
Mainstream Fiber Networks, LLC (MFNL-2)
国家/地区
US
滥用投诉
[email protected]
注册时间
2021-09-22
更新时间
2021-09-22
注册人/组织
Mainstream Fiber Networks, LLC (MFNL-2)
域名状态
Reallocated
原始Whois信息
#
# 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.
#



# start

NetRange:       38.0.0.0 - 38.255.255.255
CIDR:           38.0.0.0/8
NetName:        COGENT-A
NetHandle:      NET-38-0-0-0-1
Parent:          ()
NetType:        Direct Allocation
OriginAS:       
Organization:   Cogent Communications, LLC (COGC)
RegDate:        1991-04-16
Updated:        2025-09-23
Ref:            https://rdap.arin.net/registry/ip/38.0.0.0



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

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

# end


# start

NetRange:       38.2.0.0 - 38.2.31.255
CIDR:           38.2.0.0/19
NetName:        MAINSTREAM-FIBER-CGNT-NET-1
NetHandle:      NET-38-2-0-0-1
Parent:         COGENT-A (NET-38-0-0-0-1)
NetType:        Reallocated
OriginAS:       
Organization:   Mainstream Fiber Networks, LLC (MFNL-2)
RegDate:        2021-09-22
Updated:        2021-09-22
Ref:            https://rdap.arin.net/registry/ip/38.2.0.0


OrgName:        Mainstream Fiber Networks, LLC
OrgId:          MFNL-2
Address:        4788 Old State Road 46
City:           Nashville
StateProv:      IN
PostalCode:     47448
Country:        US
RegDate:        2015-12-01
Updated:        2026-05-08
Ref:            https://rdap.arin.net/registry/entity/MFNL-2


OrgDNSHandle: SERPI-ARIN
OrgDNSName:   Serpico, Jon 
OrgDNSPhone:  +1-323-333-7553 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/SERPI-ARIN

OrgTechHandle: GABRI2-ARIN
OrgTechName:   Gabriel, Bryan 
OrgTechPhone:  +1-812-961-2838 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/GABRI2-ARIN

OrgAbuseHandle: ABUSE8911-ARIN
OrgAbuseName:   Abuse Complaints
OrgAbusePhone:  +1-812-720-9423 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE8911-ARIN

OrgNOCHandle: GABRI2-ARIN
OrgNOCName:   Gabriel, Bryan 
OrgNOCPhone:  +1-812-961-2838 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/GABRI2-ARIN

OrgTechHandle: SERPI-ARIN
OrgTechName:   Serpico, Jon 
OrgTechPhone:  +1-323-333-7553 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/SERPI-ARIN

OrgNOCHandle: ZLV3-ARIN
OrgNOCName:   Vance, Zach Lee
OrgNOCPhone:  +1-812-720-9423 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZLV3-ARIN

OrgDNSHandle: NBL12-ARIN
OrgDNSName:   Lynn, Nathaniel B
OrgDNSPhone:  +1-844-752-6736 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/NBL12-ARIN

OrgTechHandle: NBL12-ARIN
OrgTechName:   Lynn, Nathaniel B
OrgTechPhone:  +1-844-752-6736 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NBL12-ARIN

OrgTechHandle: ZLV3-ARIN
OrgTechName:   Vance, Zach Lee
OrgTechPhone:  +1-812-720-9423 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ZLV3-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 1997-2026, American Registry for Internet Numbers, Ltd.
#