206.19.55.58
ATT-CERFNET-BLOCK, US


Seen 43 times between March 29th, 2024 and March 29th, 2024.


General Info Open in Search

Geo United States (US) —
AS AS17225 - ATT-CERFNET-BLOCK, US
Note: An IP might be announced by multiple ASs. This is not shown.
Registrar ARIN
Route 206.19.48.0/20 (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

WHOIS for 206.19.55.58


NetRange:       206.16.0.0 - 206.19.255.255
CIDR:           206.16.0.0/14
NetName:        CERFNET-BLK-206
NetHandle:      NET-206-16-0-0-1
Parent:         NET206 (NET-206-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   CERFnet (CERF)
RegDate:        1995-05-17
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/206.16.0.0

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

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

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

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: 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

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

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: 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

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

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: IPSWI-ARIN
RTechName:   IP SWIP
RTechPhone:  +1-888-613-6330 
RTechEmail:  help@ip.att.net
RTechRef:    https://rdap.arin.net/registry/entity/IPSWI-ARIN

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

NetRange:       206.19.55.0 - 206.19.55.255
CIDR:           206.19.55.0/24
NetName:        CERF-IPSILON
NetHandle:      NET-206-19-55-0-1
Parent:         CERFNET-BLK-206 (NET-206-16-0-0-1)
NetType:        Reassigned
OriginAS:       
Organization:   CERFnet Ipsilon (CERFNE-3)
RegDate:        1997-10-15
Updated:        1997-10-15
Ref:            https://rdap.arin.net/registry/ip/206.19.55.0

OrgName:        CERFnet Ipsilon
OrgId:          CERFNE-3
Address:        P.O. Box 919014
City:           San Diego
StateProv:      CA
PostalCode:     92191-9014
Country:        US
RegDate:        1997-10-15
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/CERFNE-3

OrgAbuseHandle: CERF-HM-ARIN
OrgAbuseName:   ATand T Enhanced Network Services
OrgAbusePhone:  +1-858-812-5000 
OrgAbuseEmail:  notify@attens.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CERF-HM-ARIN

OrgTechHandle: CERF-HM-ARIN
OrgTechName:   ATand T Enhanced Network Services
OrgTechPhone:  +1-858-812-5000 
OrgTechEmail:  notify@attens.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CERF-HM-ARIN

RTechHandle: CERF-HM-ARIN
RTechName:   ATand T Enhanced Network Services
RTechPhone:  +1-858-812-5000 
RTechEmail:  notify@attens.com
RTechRef:    https://rdap.arin.net/registry/entity/CERF-HM-ARIN