199.107.38.57
ATT-CERFNET-BLOCK, US


Seen 42 times between March 29th, 2024 and March 29th, 2024.


General Info Open in Search

Geo United States (US) —
AS AS17231 - ATT-CERFNET-BLOCK, US
Note: An IP might be announced by multiple ASs. This is not shown.
Registrar ARIN
Route 199.107.32.0/21 (Route of ASN)

Recent Screenshots

No incoming hits
Nothing talked to this IP

Recent screenshots
Screenshots of pages hosted on this IP

Related infrastructure
Summary of infrastructure which pages hosted on this IP frequently talked to

Recently observed hostnames on '199.107.38.57'
Searching for newly observed domains and hostnames is possible on our urlscan Pro platform.

ecf-go.cmlogin.uscourts.gov | 2017-07-18 login-go.uscourts.gov | 2017-07-18 ecf.cmlogin.uscourts.gov | 2013-04-26 pacer.login.uscourts.gov | 2013-04-26

WHOIS for 199.107.38.57


NetRange:       199.105.0.0 - 199.108.255.255
CIDR:           199.108.0.0/16, 199.106.0.0/15, 199.105.0.0/16
NetName:        NETBLK-CERFNET-CBLK2
NetHandle:      NET-199-105-0-0-1
Parent:         NET199 (NET-199-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   CERFnet (CERF)
RegDate:        1994-01-10
Updated:        2002-10-18
Comment:        
Comment:        Contact AT&T Abuse ( abuse@att.net ) for policy abuse issues.
Comment:        All policy abuse issues sent to other POCs will be disregarded.
Ref:            https://rdap.arin.net/registry/ip/199.105.0.0

OrgName:        CERFnet
OrgId:          CERF
Address:        5738 Pacific Center Blvd
City:           San Diego
StateProv:      CA
PostalCode:     92121
Country:        US
RegDate:        1989-04-18
Updated:        2022-02-08
Comment:        Contact AT&T Abuse (abuse@att.net) for policy abuse issues.
Comment:        All policy abuse issues sent to other POCs will be disregarded.
Ref:            https://rdap.arin.net/registry/entity/CERF

OrgNOCHandle: LEITM2-ARIN
OrgNOCName:   Leitmanova, Lucia 
OrgNOCPhone:  +421 2 332 25571   
OrgNOCEmail:  rm-ip_allocator@intl.att.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/LEITM2-ARIN

OrgTechHandle: NETWO10-ARIN
OrgTechName:   Network Provisioning
OrgTechPhone:  +1-877-789-2877 
OrgTechEmail:  rm-mhops-ap@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10-ARIN

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  ipadmin@semail.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgNOCHandle: DRU40-ARIN
OrgNOCName:   Rueegg, Daniel 
OrgNOCPhone:  +41 1 4957899 
OrgNOCEmail:  daniel.rueegg@intl.att.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DRU40-ARIN

OrgAbuseHandle: NETWO10-ARIN
OrgAbuseName:   Network Provisioning
OrgAbusePhone:  +1-877-789-2877 
OrgAbuseEmail:  rm-mhops-ap@intl.att.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO10-ARIN

OrgRoutingHandle: LEITM2-ARIN
OrgRoutingName:   Leitmanova, Lucia 
OrgRoutingPhone:  +421 2 332 25571   
OrgRoutingEmail:  rm-ip_allocator@intl.att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LEITM2-ARIN

OrgRoutingHandle: DRU40-ARIN
OrgRoutingName:   Rueegg, Daniel 
OrgRoutingPhone:  +41 1 4957899 
OrgRoutingEmail:  daniel.rueegg@intl.att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DRU40-ARIN

OrgTechHandle: LEITM2-ARIN
OrgTechName:   Leitmanova, Lucia 
OrgTechPhone:  +421 2 332 25571   
OrgTechEmail:  rm-ip_allocator@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LEITM2-ARIN

OrgTechHandle: DRU40-ARIN
OrgTechName:   Rueegg, Daniel 
OrgTechPhone:  +41 1 4957899 
OrgTechEmail:  daniel.rueegg@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DRU40-ARIN

RAbuseHandle: ATTAB-ARIN
RAbuseName:   ATT Abuse
RAbusePhone:  +1-999-999-9999 
RAbuseEmail:  abuse@att.net
RAbuseRef:    https://rdap.arin.net/registry/entity/ATTAB-ARIN

RTechHandle: ICC-ARIN
RTechName:   IP Team
RTechPhone:  +1-888-876-2382 
RTechEmail:  rm-ipspecialist@att.com
RTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN

RTechHandle: DK71-ARIN
RTechName:   Kostick, Deirdre 
RTechPhone:  +1-919-319-8249 
RTechEmail:  schiou@att.com
RTechRef:    https://rdap.arin.net/registry/entity/DK71-ARIN

RTechHandle: IPSWI-ARIN
RTechName:   IP SWIP
RTechPhone:  +1-888-613-6330 
RTechEmail:  swipid@icorefep2.noc.att.com
RTechRef:    https://rdap.arin.net/registry/entity/IPSWI-ARIN

NetRange:       199.107.38.0 - 199.107.38.255
CIDR:           199.107.38.0/24
NetName:        ATTWH-199-107-38-0-24-1704203456
NetHandle:      NET-199-107-38-0-1
Parent:         NETBLK-CERFNET-CBLK2 (NET-199-105-0-0-1)
NetType:        Reassigned
OriginAS:       
Customer:       SID-18051 CI -Administrative Office of the United States Courts (C06454443)
RegDate:        2017-04-20
Updated:        2017-04-20
Ref:            https://rdap.arin.net/registry/ip/199.107.38.0

CustName:       SID-18051 CI -Administrative Office of the United States Courts
Address:        21571 Beaumeade Circle
City:           Ashburn
StateProv:      VA
PostalCode:     20147
Country:        US
RegDate:        2017-04-20
Updated:        2017-04-20
Ref:            https://rdap.arin.net/registry/entity/C06454443

OrgNOCHandle: LEITM2-ARIN
OrgNOCName:   Leitmanova, Lucia 
OrgNOCPhone:  +421 2 332 25571   
OrgNOCEmail:  rm-ip_allocator@intl.att.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/LEITM2-ARIN

OrgTechHandle: NETWO10-ARIN
OrgTechName:   Network Provisioning
OrgTechPhone:  +1-877-789-2877 
OrgTechEmail:  rm-mhops-ap@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10-ARIN

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  ipadmin@semail.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgNOCHandle: DRU40-ARIN
OrgNOCName:   Rueegg, Daniel 
OrgNOCPhone:  +41 1 4957899 
OrgNOCEmail:  daniel.rueegg@intl.att.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DRU40-ARIN

OrgAbuseHandle: NETWO10-ARIN
OrgAbuseName:   Network Provisioning
OrgAbusePhone:  +1-877-789-2877 
OrgAbuseEmail:  rm-mhops-ap@intl.att.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO10-ARIN

OrgRoutingHandle: LEITM2-ARIN
OrgRoutingName:   Leitmanova, Lucia 
OrgRoutingPhone:  +421 2 332 25571   
OrgRoutingEmail:  rm-ip_allocator@intl.att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LEITM2-ARIN

OrgRoutingHandle: DRU40-ARIN
OrgRoutingName:   Rueegg, Daniel 
OrgRoutingPhone:  +41 1 4957899 
OrgRoutingEmail:  daniel.rueegg@intl.att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DRU40-ARIN

OrgTechHandle: LEITM2-ARIN
OrgTechName:   Leitmanova, Lucia 
OrgTechPhone:  +421 2 332 25571   
OrgTechEmail:  rm-ip_allocator@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LEITM2-ARIN

OrgTechHandle: DRU40-ARIN
OrgTechName:   Rueegg, Daniel 
OrgTechPhone:  +41 1 4957899 
OrgTechEmail:  daniel.rueegg@intl.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DRU40-ARIN

RAbuseHandle: ATTAB-ARIN
RAbuseName:   ATT Abuse
RAbusePhone:  +1-999-999-9999 
RAbuseEmail:  abuse@att.net
RAbuseRef:    https://rdap.arin.net/registry/entity/ATTAB-ARIN

RTechHandle: ICC-ARIN
RTechName:   IP Team
RTechPhone:  +1-888-876-2382 
RTechEmail:  rm-ipspecialist@att.com
RTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN

RTechHandle: DK71-ARIN
RTechName:   Kostick, Deirdre 
RTechPhone:  +1-919-319-8249 
RTechEmail:  schiou@att.com
RTechRef:    https://rdap.arin.net/registry/entity/DK71-ARIN

RTechHandle: IPSWI-ARIN
RTechName:   IP SWIP
RTechPhone:  +1-888-613-6330 
RTechEmail:  swipid@icorefep2.noc.att.com
RTechRef:    https://rdap.arin.net/registry/entity/IPSWI-ARIN