Whois results:

NetRange:       198.63.0.0 - 198.66.255.255
CIDR:           198.66.0.0/16, 198.63.0.0/16, 198.64.0.0/15
OriginAS:       
NetName:        NTTA-198-63
NetHandle:      NET-198-63-0-0-1
Parent:         NET-198-0-0-0-0
NetType:        Direct Allocation
Comment:        
Comment:        Reassignment information for this block is
Comment:        available at rwhois.gin.ntt.net port 4321
RegDate:        1993-02-11
Updated:        2012-03-02
Ref:            http://whois.arin.net/rest/net/NET-198-63-0-0-1

OrgName:        NTT America, Inc.
OrgId:          NTTAM-1
Address:        8300 E Maplewood Ave.
Address:        Suite 400
City:           Greenwood Village
StateProv:      CO
PostalCode:     80111
Country:        US
RegDate:        2005-12-08
Updated:        2011-10-18
Ref:            http://whois.arin.net/rest/org/NTTAM-1

ReferralServer: rwhois://rwhois.gin.ntt.net:4321

OrgAbuseHandle: NAAC-ARIN
OrgAbuseName:   NTT America Abuse Contact
OrgAbusePhone:  +1-877-688-6625 
OrgAbuseEmail:  ntt.net
OrgAbuseRef:    http://whois.arin.net/rest/poc/NAAC-ARIN

OrgTechHandle: VIPAR-ARIN
OrgTechName:   VIPAR
OrgTechPhone:  +1-877-688-6625 
OrgTechEmail:  us.ntt.net
OrgTechRef:    http://whois.arin.net/rest/poc/VIPAR-ARIN

OrgNOCHandle: NASC-ARIN
OrgNOCName:   NTT America Support Contact
OrgNOCPhone:  +1-877-688-6625 
OrgNOCEmail:  us.ntt.net
OrgNOCRef:    http://whois.arin.net/rest/poc/NASC-ARIN

RTechHandle: VIA4-ORG-ARIN
RTechName:   VIPAR
RTechPhone:  +1-877-688-6625 
RTechEmail:  us.ntt.net
RTechRef:    http://whois.arin.net/rest/poc/VIA4-ORG-ARIN





following a referral...

network:Class-Name:network
network:Auth-Area:198.63.32.0/19
network:ID:NETBLK-WH-198-63-51-0-24.127.0.0.1/32
network:Handle:NETBLK-WH-198-63-51-0-24
network:Network-Name:WH-198-63-51-0-24
network:IP-Network:198.63.51.0/24
network:In-Addr-Server;I:NS8629-HST.127.0.0.1/32
network:In-Addr-Server;I:NS8630-HST.127.0.0.1/32
network:IP-Network-Block:198.63.51.0 - 198.63.51.255
network:Org-Name:Verio Web Hosting (SME)
network:Street-Address:5050 Blue Lake Drive
network:City:Boca Raton
network:State:FL
network:Postal-Code:33431
network:Country-Code:US
network:Tech-Contact;I:WA576-VRIO.127.0.0.1/32
network:Created:2004-01-23 00:30:33+00
network:Updated:2004-01-23 00:30:33+00

network:Class-Name:network
network:Auth-Area:198.63.32.0/19
network:ID:NETBLK-W062-198-063-032.127.0.0.1/32
network:Handle:NETBLK-W062-198-063-032
network:Network-Name:W062-198-063-032
network:IP-Network:198.63.32.0/19
network:In-Addr-Server;I:NS2698-VRIO-HST.127.0.0.1/32
network:In-Addr-Server;I:NS2699-VRIO-HST.127.0.0.1/32
network:IP-Network-Block:198.63.32.0 - 198.63.63.255
network:Org-Name:Verio Web Hosting - Sterling
network:Street-Address:22451 Shaw Rd
network:City:Sterling
network:State:VA
network:Postal-Code:20166
network:Country-Code:US
network:Tech-Contact;I:WA575-VRIO.127.0.0.1/32
network:Created:2002-01-17 00:31:07+00
network:Updated:2002-01-17 00:31:07+00