204.74.0.0/21

NetRange:       204.74.0.0 - 204.74.9.255
CIDR:           204.74.0.0/21, 204.74.8.0/23
NetName:        RCN-BLK-15
NetHandle:      NET-204-74-0-0-1
Parent:         NET204 (NET-204-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   RCN (RTSL-6)
RegDate:        1994-06-23
Updated:        2017-01-13
Ref:            https://rdap.arin.net/registry/ip/204.74.0.0

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

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

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

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

network:Class-Name:network
network:ID:RCN-BLK-15
network:Auth-Area:204.74.0.0/21
network:Handle:RCN-BLK-15
network:Network-Name:RCN-BLK-15
network:IP-Network:204.74.0.0/21
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:204.74.0.0 - 204.74.7.255
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