156.135.8.0/22

NetRange:       156.135.0.0 - 156.135.255.255
CIDR:           156.135.0.0/16
NetName:        RIPE-ERX-156-135-0-0
NetHandle:      NET-156-135-0-0-1
Parent:         NET156 (NET-156-0-0-0-0)
NetType:        Early Registrations, Transferred to RIPE NCC
OriginAS:       
Organization:   RIPE Network Coordination Centre (RIPE)
RegDate:        2004-01-07
Updated:        2004-01-07
Comment:        These addresses have been further assigned to users in
Comment:        the RIPE NCC region.  Contact information can be found in
Comment:        the RIPE database at http://www.ripe.net/whois
Ref:            https://rdap.arin.net/registry/ip/156.135.0.0

ResourceLink:  https://apps.db.ripe.net/search/query.html
ResourceLink:  whois.ripe.net

OrgName:        RIPE Network Coordination Centre
OrgId:          RIPE
Address:        P.O. Box 10096
City:           Amsterdam
StateProv:      
PostalCode:     1001EB
Country:        NL
RegDate:        
Updated:        2013-07-29
Ref:            https://rdap.arin.net/registry/entity/RIPE

ReferralServer:  whois://whois.ripe.net
ResourceLink:  https://apps.db.ripe.net/search/query.html

OrgTechHandle: RNO29-ARIN
OrgTechName:   RIPE NCC Operations
OrgTechPhone:  +31 20 535 4444 
OrgTechEmail:  hostmaster@ripe.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RNO29-ARIN

OrgAbuseHandle: ABUSE3850-ARIN
OrgAbuseName:   Abuse Contact
OrgAbusePhone:  +31205354444 
OrgAbuseEmail:  abuse@ripe.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3850-ARIN

Found a referral to whois.ripe.net.

inetnum:        156.135.0.0 - 156.135.255.255
netname:        SCAN1
descr:          Skyguide SA (ex Swisscontrol)
descr:          Geneva, Switzerland
country:        CH
admin-c:        ST2990-RIPE
tech-c:         ST2990-RIPE
status:         LEGACY
mnt-by:         SWITCH-MNT
mnt-by:         CH-UNISOURCE-MNT
mnt-routes:     AS559-MNT
mnt-routes:     CH-UNISOURCE-MNT {156.135.24.0/22}
mnt-routes:     CH-UNISOURCE-MNT {156.135.8.0/22}
created:        1970-01-01T00:00:00Z
last-modified:  2019-12-04T13:10:30Z
source:         RIPE

role:           Skyguide TCE-L
address:        Skyguide SA
address:        swiss air navigation services ltd
address:        Route de Pre-Bois 15-17
address:        CH-1215 Geneva-Airport
phone:          +41 22 417 41 11
fax-no:         +41 22 417 45 47
admin-c:        AA6190-RIPE
tech-c:         AA6190-RIPE
nic-hdl:        ST2990-RIPE
mnt-by:         SWITCH-MNT
created:        2007-01-18T15:28:09Z
last-modified:  2007-01-18T15:28:09Z
source:         RIPE # Filtered

route:          156.135.8.0/22
descr:          Skyguide
origin:         AS3303
mnt-by:         CH-UNISOURCE-MNT
created:        2015-01-22T13:26:58Z
last-modified:  2015-01-22T13:26:58Z
source:         RIPE