64.121.28.136

NetRange:       64.121.0.0 - 64.121.255.255
CIDR:           64.121.0.0/16
NetName:        RCN-BLK-19
NetHandle:      NET-64-121-0-0-1
Parent:         NET64 (NET-64-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   RCN (RTSL-6)
RegDate:        2000-07-03
Updated:        2013-10-02
Ref:            https://rdap.arin.net/registry/ip/64.121.0.0

OrgName:        RCN
OrgId:          RTSL-6
Address:        650 College Road East
City:           Princeton
StateProv:      NJ
PostalCode:     08540
Country:        US
RegDate:        2013-07-09
Updated:        2022-08-30
Comment:        For all abuse issues, please contact abuse@rcn.com
Ref:            https://rdap.arin.net/registry/entity/RTSL-6

ReferralServer:  rwhois://rwhois.rcn.net:4321

OrgNOCHandle: ABN3-ARIN
OrgNOCName:   Astound Broadband NOC
OrgNOCPhone:  +1-888-972-6622 
OrgNOCEmail:  noc@astound.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ABN3-ARIN

OrgAbuseHandle: RAD75-ARIN
OrgAbuseName:   RCN Abuse Department
OrgAbusePhone:  +1-888-972-6622 
OrgAbuseEmail:  abuse@rcn.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RAD75-ARIN

OrgTechHandle: ZR40-ARIN
OrgTechName:   RCN Corporation
OrgTechPhone:  +1-888-972-6622 
OrgTechEmail:  noc@rcn.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZR40-ARIN

Found a referral to rwhois.rcn.net:4321.

network:Class-Name:network
network:ID:RCN-BLK-19-60-57
network:Auth-Area:64.121.0.0/16
network:Handle:RCN-BLK-19-60-57
network:Network-Name:RCN-BLK-19-60-geographical-phdl-pa
network:IP-Network:64.121.0.0/17
network:In-Addr-Server:207.172.3.20
network:In-Addr-Server:207.172.11.14
network:In-Addr-Server:207.172.3.21
network:In-Addr-Server:207.172.3.22
network:IP-Network-Block:64.121.0.0 - 64.121.127.255
network:Organization;I:RCN Corporation
network:Street-Address:650 College Road suite 3100
network:City:Princeton
network:State:NJ
network:Postal-Code:20170
network:Country-Code:US
network:Tech-Contact;I:noc@rcn.com
network:Created:2023-06-23T15:42:46.572811Z
network:Updated:2023-06-23

network:Class-Name:network
network:ID:RCN-BLK-19
network:Auth-Area:64.121.0.0/16
network:Handle:RCN-BLK-19
network:Network-Name:RCN-BLK-19
network:IP-Network:64.121.0.0/16
network:In-Addr-Server:207.172.3.20
network:In-Addr-Server:207.172.11.14
network:In-Addr-Server:207.172.3.21
network:In-Addr-Server:207.172.3.22
network:IP-Network-Block:64.121.0.0 - 64.121.255.255
network:Organization;I:RCN Corporation
network:Street-Address:650 College Road suite 3100
network:City:Princeton
network:State:NJ
network:Postal-Code:20170
network:Country-Code:US
network:Tech-Contact;I:noc@rcn.com