APNIC - Query the APNIC Whois Database

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

% 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:       128.103.0.0 - 128.103.255.255
CIDR:           128.103.0.0/16
NetName:        HARVARD-UNIV
NetHandle:      NET-128-103-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS1742, AS11
Organization:   Harvard University (HARVAR-Z)
RegDate:        1986-01-29
Updated:        2023-12-21
Ref:            https://rdap.arin.net/registry/ip/128.103.0.0

OrgName:        Harvard University
OrgId:          HARVAR-Z
Address:        HUIT Network Services
Address:        Patrick McEvilly - Director
Address:        784 Memorial Drive
City:           Cambridge
StateProv:      MA
PostalCode:     02139
Country:        US
RegDate:        2023-08-16
Updated:        2024-07-01
Ref:            https://rdap.arin.net/registry/entity/HARVAR-Z

OrgRoutingHandle: PMC277-ARIN
OrgRoutingName:   Mcevilly, Patrick 
OrgRoutingPhone:  +1-617-495-9205 
OrgRoutingEmail:  patrick_mcevilly@harvard.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgTechHandle: DASHB-ARIN
OrgTechName:   Dash, Benjamin 
OrgTechPhone:  +1-617-733-6824 
OrgTechEmail:  Benjamin_Dash@harvard.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/DASHB-ARIN

OrgDNSHandle: DASHB-ARIN
OrgDNSName:   Dash, Benjamin 
OrgDNSPhone:  +1-617-733-6824 
OrgDNSEmail:  Benjamin_Dash@harvard.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/DASHB-ARIN

OrgRoutingHandle: KENNY32-ARIN
OrgRoutingName:   Kenny, Eric 
OrgRoutingPhone:  +1-617-496-9930 
OrgRoutingEmail:  eric_kenny@harvard.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/KENNY32-ARIN

OrgDNSHandle: PMC277-ARIN
OrgDNSName:   Mcevilly, Patrick 
OrgDNSPhone:  +1-617-495-9205 
OrgDNSEmail:  patrick_mcevilly@harvard.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgTechHandle: PMC277-ARIN
OrgTechName:   Mcevilly, Patrick 
OrgTechPhone:  +1-617-495-9205 
OrgTechEmail:  patrick_mcevilly@harvard.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgNOCHandle: NETWO4930-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-617-495-3574 
OrgNOCEmail:  netmanager@harvard.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO4930-ARIN

OrgNOCHandle: PMC277-ARIN
OrgNOCName:   Mcevilly, Patrick 
OrgNOCPhone:  +1-617-495-9205 
OrgNOCEmail:  patrick_mcevilly@harvard.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgAbuseHandle: ABUSE3331-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-617-495-3574 
OrgAbuseEmail:  abuse@harvard.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3331-ARIN

OrgTechHandle: KENNY32-ARIN
OrgTechName:   Kenny, Eric 
OrgTechPhone:  +1-617-496-9930 
OrgTechEmail:  eric_kenny@harvard.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/KENNY32-ARIN

OrgAbuseHandle: PMC277-ARIN
OrgAbuseName:   Mcevilly, Patrick 
OrgAbusePhone:  +1-617-495-9205 
OrgAbuseEmail:  patrick_mcevilly@harvard.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

RNOCHandle: NETWO4930-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-617-495-3574 
RNOCEmail:  netmanager@harvard.edu
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO4930-ARIN

RTechHandle: PMC277-ARIN
RTechName:   Mcevilly, Patrick 
RTechPhone:  +1-617-495-9205 
RTechEmail:  patrick_mcevilly@harvard.edu
RTechRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

RAbuseHandle: ABUSE3331-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-617-495-3574 
RAbuseEmail:  abuse@harvard.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3331-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.
#
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
18 records found for '128.103.11.252'
Search for  
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

For more information see: