AS Name
IRS
Org Name
Internal Revenue Service
Registry Region
United States
Looking Glass
IPv4Prefixes

13

IPv6Prefixes

4

IPv4 NUMs

4,096

IPv6 NUMs(/64)

4,294,967,296

4,096 IPv4 Addresses
CIDR Description IP Num
152.216.0.0/20 Internal Revenue Service 4096
152.216.4.0/24 Internal Revenue Service 256
152.216.5.0/24 Internal Revenue Service 256
152.216.6.0/24 Internal Revenue Service 256
152.216.7.0/24 Internal Revenue Service 256
152.216.8.0/24 Internal Revenue Service 256
152.216.9.0/24 Internal Revenue Service 256
152.216.10.0/24 Internal Revenue Service 256
152.216.11.0/24 Internal Revenue Service 256
152.216.12.0/24 Internal Revenue Service 256
152.216.13.0/24 Internal Revenue Service 256
152.216.14.0/24 Internal Revenue Service 256
152.216.15.0/24 Internal Revenue Service 256
CIDR Description IP NUMs(prefix /64)
2610:30::/48 Internal Revenue Service 65536
2610:30::/32 Internal Revenue Service 4294967296
2610:30:2000::/48 Internal Revenue Service 65536
2610:30:4000::/48 Internal Revenue Service 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS209 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US United States 20,828,672 1,117,765,894,144 IPv4 IPv4 IPv6 IPv6
AS2386 INS-AS - AT&T Data Communications Services, US United States 488,960 786,432 IPv4 IPv4 IPv6 IPv6
AS10753 LVLT-10753 - Level 3 Parent, LLC, US United States 389,388 4,307,290,880 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
152.216.3.4 1 internet2.irs.gov
152.216.3.5 1 internet3.irs.gov
152.216.3.66 1 state-excise.irs.gov
152.216.3.71 1 exfirs.irs.gov
152.216.7.3 1 internet4.irs.gov
152.216.7.4 1 internet5.irs.gov
152.216.7.5 1 internet6.irs.gov
152.216.7.19 1 mig-dnsfirewall.irs.gov
152.216.7.46 1 meetings-external.irs.gov
152.216.7.70 1 efiled.ems.irs.gov
ASNumber:       30313
ASName:         IRS
ASHandle:       AS30313
RegDate:        2003-09-05
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/30313


OrgName:        Internal Revenue Service
OrgId:          IRS
Address:        1111 Constitution Ave. NW
City:           Washington
StateProv:      DC
PostalCode:     20224
Country:        US
RegDate:        1991-09-22
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/IRS


OrgTechHandle: BBW8-ARIN
OrgTechName:   Wibbing, Bradley B
OrgTechPhone:  +1-304-264-7531 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/BBW8-ARIN

OrgTechHandle: MORIZ-ARIN
OrgTechName:   Morizot, Scott 
OrgTechPhone:  +1-512-460-2605 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/MORIZ-ARIN

OrgAbuseHandle: CSIRC1-ARIN
OrgAbuseName:   CSIRC
OrgAbusePhone:  +1-240-613-3606 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CSIRC1-ARIN

OrgNOCHandle: NMC6-ARIN
OrgNOCName:   NMC
OrgNOCPhone:  +1-202-283-4590 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/NMC6-ARIN

OrgTechHandle: RTB6-ARIN
OrgTechName:   Butts, Robert Todd
OrgTechPhone:  +1-681-260-3304 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/RTB6-ARIN