NetRange: 63.240.0.0 - 63.242.255.255
CIDR: 63.240.0.0/15, 63.242.0.0/16
NetName: CERFNET-BLK-5
NetHandle: NET-63-240-0-0-1
Parent: NET63 (NET-63-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: CERFnet (CERF)
RegDate: 1999-11-03
Updated: 2021-07-19
Comment: ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
Ref: https://rdap.arin.net/registry/ip/63.240.0.0
OrgName: CERFnet
OrgId: CERF
Address: 5738 Pacific Center Blvd
City: San Diego
StateProv: CA
PostalCode: 92121
Country: US
RegDate: 1989-04-18
Updated: 2024-11-25
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
OrgTechHandle: NAJMI1-ARIN
OrgTechName: Najmikova, Ivana
OrgTechPhone: +421 250210682
OrgTechEmail: ivana.najmikova@intl.att.com
OrgTechRef: https://rdap.arin.net/registry/entity/NAJMI1-ARIN
OrgNOCHandle: DRU40-ARIN
OrgNOCName: Rueegg, Daniel
OrgNOCPhone: +41 1 4957899
OrgNOCEmail: dr6348@att.com
OrgNOCRef: https://rdap.arin.net/registry/entity/DRU40-ARIN
OrgTechHandle: DRU40-ARIN
OrgTechName: Rueegg, Daniel
OrgTechPhone: +41 1 4957899
OrgTechEmail: dr6348@att.com
OrgTechRef: https://rdap.arin.net/registry/entity/DRU40-ARIN
OrgAbuseHandle: NETWO10-ARIN
OrgAbuseName: Network Provisioning
OrgAbusePhone: +1-877-789-2877
OrgAbuseEmail: er3254@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: dr6348@att.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/DRU40-ARIN
OrgNOCHandle: STRAN154-ARIN
OrgNOCName: Stranska, Jana
OrgNOCPhone: +421 233225331
OrgNOCEmail: jana.stranska1@intl.att.com
OrgNOCRef: https://rdap.arin.net/registry/entity/STRAN154-ARIN
OrgTechHandle: KRAJN2-ARIN
OrgTechName: Krajnakova, Henrieta
OrgTechPhone: +00000000
OrgTechEmail: henrieta.krajnakova@intl.att.com
OrgTechRef: https://rdap.arin.net/registry/entity/KRAJN2-ARIN
OrgTechHandle: NETWO10-ARIN
OrgTechName: Network Provisioning
OrgTechPhone: +1-877-789-2877
OrgTechEmail: er3254@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
OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName: Routing POC
OrgRoutingPhone: +1-999-999-9999
OrgRoutingEmail: routing@cbbtier3.att.net
OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI59-ARIN
OrgNOCHandle: NAJMI1-ARIN
OrgNOCName: Najmikova, Ivana
OrgNOCPhone: +421 250210682
OrgNOCEmail: ivana.najmikova@intl.att.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NAJMI1-ARIN
OrgTechHandle: STRAN154-ARIN
OrgTechName: Stranska, Jana
OrgTechPhone: +421 233225331
OrgTechEmail: jana.stranska1@intl.att.com
OrgTechRef: https://rdap.arin.net/registry/entity/STRAN154-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
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: 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
NetRange: 63.242.0.0 - 63.242.239.255
CIDR: 63.242.192.0/19, 63.242.224.0/20, 63.242.0.0/17, 63.242.128.0/18
NetName: AENS-DSL-1
NetHandle: NET-63-242-0-0-1
Parent: CERFNET-BLK-5 (NET-63-240-0-0-1)
NetType: Reassigned
OriginAS:
Organization: AT&T ITS (ATTITS-1)
RegDate: 2001-10-05
Updated: 2001-10-05
Comment: For abuse issues contact abuse@att.net
Ref: https://rdap.arin.net/registry/ip/63.242.0.0
OrgName: AT&T ITS
OrgId: ATTITS-1
Address: 200 Laurel Avenue South
City: Middletown
StateProv: IA
PostalCode: 07748
Country: US
RegDate: 2001-04-23
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/ATTITS-1
OrgTechHandle: CKN23-ARIN
OrgTechName: No, Contact Known
OrgTechPhone: +1-800-555-1234
OrgTechEmail: nobody@example.com
OrgTechRef: https://rdap.arin.net/registry/entity/CKN23-ARIN
OrgAbuseHandle: CKN23-ARIN
OrgAbuseName: No, Contact Known
OrgAbusePhone: +1-800-555-1234
OrgAbuseEmail: nobody@example.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CKN23-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
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IP addresses with same latency:
DNSBL* -
is a list of IP addresses published through the Internet Domain Name Service (DNS) either as a zone file that can be used by DNS server software, or as a live DNS zone
that can be queried in real-time. DNSBLs are most often used to publish the addresses of computers or networks linked to spamming; most mail server software can be
configured to reject or flag messages which have been sent from a site listed on one or more such lists.
WHOIS** - is a query/response protocol that is widely used
for querying databases in order to determine the registrant or assignee of Internet resources, such as a domain name, an
IP address block, or an autonomous system number. WHOIS lookups were traditionally performed with a
command line interface application, and network administrators predominantly still use this method, but many
simplified web-based tools exist. WHOIS services are typically communicated using the Transmission Control Protocol
(TCP). Servers listen to requests on the well-known port number 43.
** Approximate Geographic Location - This is NOT the exact geographical location of
the person/organization with the given IP address. However, this should still give you a good idea about
the area/region where this person/orgranization is located.