Address Block2000::/3
AllocationGlobal Unicast
Reference[ RFC3513, ^ ][ RFC4291, ^ ]
2600:0000::/12Internet Registry: ARIN
Designation date: 2006-10-03
IANA status: ALLOCATED
2607:f220:41e:ffff:ffff:ffff:ffff:ffff   !ip6 !rdap !ptr !dnstr !tr !scan !g
Whois serverwhois.arin.net.
 #
 # 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:       2607:F220:: - 2607:F220:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF
 CIDR:           2607:F220::/32
 NetName:        NET-HHS6
 NetHandle:      NET6-2607-F220-1
 Parent:         NET6-2600 (NET6-2600-1)
 NetType:        Direct Allocation
 OriginAS:       
 Organization:   U.S. Dept. of Health and Human Services (UDHHS)
 RegDate:        2007-11-06
 Updated:        2015-03-23
 Ref:            https://rdap.arin.net/registry/ip/2607:F220::
 
 
 OrgName:        U.S. Dept. of Health and Human Services
 OrgId:          UDHHS
 Address:        HHS/ASA/OCIO
 Address:        5600 Fishers Lane
 City:           Rockville
 StateProv:      MD
 PostalCode:     20852
 Country:        US
 RegDate:        1992-02-15
 Updated:        2025-12-31
 Ref:            https://rdap.arin.net/registry/entity/UDHHS
 
 
 OrgTechHandle: VOYTA-ARIN
 OrgTechName:   Voyta, Steven 
 OrgTechPhone:  +1-240-506-1441 
 OrgTechEmail:  steven.voyta@hhs.gov.
 OrgTechRef:    https://rdap.arin.net/registry/entity/VOYTA-ARIN
 
 OrgAbuseHandle: ABUSE5037-ARIN
 OrgAbuseName:   Abuse
 OrgAbusePhone:  +1-301-443-2893 
 OrgAbuseEmail:  abuse@hhs.gov.
 OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5037-ARIN
 
 OrgNOCHandle: HNOC10-ARIN
 OrgNOCName:   HHS Network Operations Center
 OrgNOCPhone:  +1-301-443-2893 
 OrgNOCEmail:  HHS_ITIO_NOC@HHS.GOV.
 OrgNOCRef:    https://rdap.arin.net/registry/entity/HNOC10-ARIN
 
 OrgNOCHandle: MOXLE3-ARIN
 OrgNOCName:   Moxley, Duane 
 OrgNOCPhone:  +1-202-770-5350 
 OrgNOCEmail:  duane.moxley@hhs.gov.
 OrgNOCRef:    https://rdap.arin.net/registry/entity/MOXLE3-ARIN
 
 OrgTechHandle: MILLE3252-ARIN
 OrgTechName:   Miller, Tim 
 OrgTechPhone:  +1-202-821-6838 
 OrgTechEmail:  timothy.miller@hhs.gov.
 OrgTechRef:    https://rdap.arin.net/registry/entity/MILLE3252-ARIN
 
 OrgTechHandle: MOXLE3-ARIN
 OrgTechName:   Moxley, Duane 
 OrgTechPhone:  +1-202-770-5350 
 OrgTechEmail:  duane.moxley@hhs.gov.
 OrgTechRef:    https://rdap.arin.net/registry/entity/MOXLE3-ARIN
 
 OrgTechHandle: PSC110-ARIN
 OrgTechName:   Program Support Center
 OrgTechPhone:  +1-202-774-2125 
 OrgTechEmail:  hostmaster@psc.hhs.gov.
 OrgTechRef:    https://rdap.arin.net/registry/entity/PSC110-ARIN
 
 OrgAbuseHandle: MOXLE3-ARIN
 OrgAbuseName:   Moxley, Duane 
 OrgAbusePhone:  +1-202-770-5350 
 OrgAbuseEmail:  duane.moxley@hhs.gov.
 OrgAbuseRef:    https://rdap.arin.net/registry/entity/MOXLE3-ARIN
 
 RAbuseHandle: ABUSE5037-ARIN
 RAbuseName:   Abuse
 RAbusePhone:  +1-301-443-2893 
 RAbuseEmail:  abuse@hhs.gov.
 RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5037-ARIN
 
 # end
 
 
 # start
 
 NetRange:       2607:F220:400:: - 2607:F220:4FF:FFFF:FFFF:FFFF:FFFF:FFFF
 CIDR:           2607:F220:400::/40
 NetName:        NIHNET-V6
 NetHandle:      NET6-2607-F220-400-1
 Parent:         NET-HHS6 (NET6-2607-F220-1)
 NetType:        Reallocated
 OriginAS:       
 Organization:   National Institutes of Health (NIH)
 RegDate:        2020-06-10
 Updated:        2026-01-08
 Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
 Ref:            https://rdap.arin.net/registry/ip/2607:F220:400::
 
 
 OrgName:        National Institutes of Health
 OrgId:          NIH
 Address:        9000 Rockville Pike
 Address:        MSC 4805
 City:           Bethesda
 StateProv:      MD
 PostalCode:     20892-4805
 Country:        US
 RegDate:        
 Updated:        2025-06-03
 Ref:            https://rdap.arin.net/registry/entity/NIH
 
 
 OrgDNSHandle: NIHTE-ARIN
 OrgDNSName:   NIHtechs
 OrgDNSPhone:  +1-301-402-3141 
 OrgDNSEmail:  citnsarin@mail.nih.gov.
 OrgDNSRef:    https://rdap.arin.net/registry/entity/NIHTE-ARIN
 
 OrgNOCHandle: NIHAD-ARIN
 OrgNOCName:   NIHadm
 OrgNOCPhone:  +1-301-402-3141 
 OrgNOCEmail:  citnsarin@mail.nih.gov.
 OrgNOCRef:    https://rdap.arin.net/registry/entity/NIHAD-ARIN
 
 OrgAbuseHandle: NIHAD-ARIN
 OrgAbuseName:   NIHadm
 OrgAbusePhone:  +1-301-402-3141 
 OrgAbuseEmail:  citnsarin@mail.nih.gov.
 OrgAbuseRef:    https://rdap.arin.net/registry/entity/NIHAD-ARIN
 
 OrgTechHandle: NIHTE-ARIN
 OrgTechName:   NIHtechs
 OrgTechPhone:  +1-301-402-3141 
 OrgTechEmail:  citnsarin@mail.nih.gov.
 OrgTechRef:    https://rdap.arin.net/registry/entity/NIHTE-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.
 #
 
  
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