216.52.142.0/24

William Blair & Company

Announcing ASNs: 1

Parent Prefix: 216.52.140.0/22

Abuse: [email protected]

RIR: ARIN

Prefix
Routing
Raw Whois

Announcing ASNs

Country	ASN	Name	Description
	AS198949	Radware	Radware Ltd

216.52.142.0/24 Summary

Prefix:

216.52.142.0/24

Name:

INAP-CHI-WILLIAMBLAIR-1547

Description:

William Blair & Company

Country:

IP Addresses:

256

Regional Registry:

ARIN

Allocation Status:

Allocated

Allocation Date:

24^th August 1998

Parent Prefix:

216.52.140.0/22

Contacts

Email Contacts:

[email protected]

Abuse Contacts:

[email protected]

Address:

222 West Adams Street,

Chicago,

IL,

60606,

Summary

Country	Prefix	Name	Description	ASN
	216.52.140.0/22	UG-210	Unitas Global	AS19024

AS198949 Radware Ltd - Prefix Upstreams

ASN	Name	Description
AS3356	LEVEL3	Level 3 Parent, LLC
AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
AS2914	NTT-LTD-2914	NTT America, Inc.

# start

NetRange:       216.52.142.0 - 216.52.142.255
CIDR:           216.52.142.0/24
NetName:        INAP-CHI-WILLIAMBLAIR-1547
NetHandle:      NET-216-52-142-0-1
Parent:         UG-210 (NET-216-52-140-0-1)
NetType:        Reassigned
OriginAS:       
Customer:       William Blair & Company (C00984457)
RegDate:        2005-01-05
Updated:        2023-10-10
Ref:            https://rdap.arin.net/registry/ip/216.52.142.0


CustName:       William Blair & Company
Address:        222 West Adams Street
City:           Chicago
StateProv:      IL
PostalCode:     60606
Country:        US
RegDate:        2005-01-05
Updated:        2011-03-19
Ref:            https://rdap.arin.net/registry/entity/C00984457

OrgTechHandle: PEERI21-ARIN
OrgTechName:   Peering
OrgTechPhone:  +1-213-785-6200 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/PEERI21-ARIN

OrgNOCHandle: SOC34-ARIN
OrgNOCName:   Support Ops Center
OrgNOCPhone:  +1-213-785-6200 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/SOC34-ARIN

OrgAbuseHandle: NAR50-ARIN
OrgAbuseName:   Network Abuse Reports
OrgAbusePhone:  +1-213-785-6200 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAR50-ARIN

OrgRoutingHandle: PEERI21-ARIN
OrgRoutingName:   Peering
OrgRoutingPhone:  +1-213-785-6200 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/PEERI21-ARIN

OrgDNSHandle: SOC34-ARIN
OrgDNSName:   Support Ops Center
OrgDNSPhone:  +1-213-785-6200 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/SOC34-ARIN