To assist you with debugging problems, this whois query was received from IP Address:

13.58.31.251

% APNIC found the following authoritative answer from: whois.arin.net
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
NetRange:158.155.0.0 - 158.155.255.255
CIDR:158.155.0.0/16
NetName:CSGNET
NetHandle:NET-158-155-0-0-1
Parent:NET158 (NET-158-0-0-0-0)
NetType:Direct Allocation
OriginAS:
Organization:CSG Systems Inc. (CSGSY-2)
RegDate:1992-03-13
Updated:2021-12-14
Ref:https://rdap.arin.net/registry/ip/158.155.0.0
OrgName:CSG Systems Inc.
OrgId:CSGSY-2
Address:2525 N 117th Ave
City:Omaha
StateProv:NE
PostalCode:68164
Country:US
RegDate:2008-10-15
Updated:2014-02-11
Ref:https://rdap.arin.net/registry/entity/CSGSY-2
OrgTechHandle:JPR156-ARIN
OrgTechName:Reher, Jeff P
OrgTechPhone:+1-402-431-7827
OrgTechEmail:jeff_reher@csgsystems.com
OrgTechRef:https://rdap.arin.net/registry/entity/JPR156-ARIN
OrgNOCHandle:JPR156-ARIN
OrgNOCName:Reher, Jeff P
OrgNOCPhone:+1-402-431-7827
OrgNOCEmail:jeff_reher@csgsystems.com
OrgNOCRef:https://rdap.arin.net/registry/entity/JPR156-ARIN
OrgAbuseHandle:JPR156-ARIN
OrgAbuseName:Reher, Jeff P
OrgAbusePhone:+1-402-431-7827
OrgAbuseEmail:jeff_reher@csgsystems.com
OrgAbuseRef:https://rdap.arin.net/registry/entity/JPR156-ARIN
RTechHandle:CGS-ORG-ARIN
RTechName:Computer Generation Inc
RTechPhone:+1-404-705-2800
RTechEmail:roy.long@csgi.com
RTechRef:https://rdap.arin.net/registry/entity/CGS-ORG-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

e.g. 203.119.42.0/24

IP address lookups Miscellaneous queries
-l

1st level less specific

Returns smallest IP address range that includes the queried IP address or range

-i

Inverse attributes

Returns objects with an attribute that matches the query text and attribute type
-L

All less specific

Return all larger IP address ranges that include the queried IP address or range

-T

Object types

Results that match the query and are of a specified object type
-m

1st level more specific

Returns first level more specific address ranges within the boundaries of the queried IP address range
-M

All more specific

Returns all more specific address ranges within the boundaries of the queried IP address range

Query hints

  • Include "AS" in front of an AS number.
    Example: AS4808

  • Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template
    Example: -t inetnum

-x

Exact match only

Returns address range that exactly matches the queried IP address range
-d

Associated reverse domain

Returns IP address range and associated reverse domain

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