44.137.72.131
UCSD, US


Seen 14 times between July 21st, 2017 and March 7th, 2024.


General Info Open in Search

Geo Amsterdam, Netherlands (NL) —
AS AS7377 - UCSD, US
Note: An IP might be announced by multiple ASs. This is not shown.
Registrar ARIN
Route 44.128.0.0/10 (Route of ASN)
PTR pi6ten.ampr.org(PTR record of primary IP)

Recent Screenshots

Direct hits
Summary of pages hosted on this IP

Domains websdr.pi1nos.ampr.org | 1x

Recent scans (1 total) Show all

URL Age
websdr.pi1nos.ampr.org:8901 3 years

Incoming hits
Summary of pages that talked to this IP

ASNs AS16276 | 11x AS1133 | 2x

IPs 217.182.128.107 | 11x 2001:67c:2564:532:250:daff:fe6e:c945 | 1x 2001:67c:2564:ac33:da5d:4cff:fe80:9a66 | 1x

Domains websdr.org | 6x www.websdr.org | 5x websdr.ewi.utwente.nl | 2x

Countries FR | 11x NL | 2x

Recent scans (13 total) Show all

URL Age
www.websdr.org 6 months
websdr.org 6 months
www.websdr.org 7 months
websdr.org 8 months
www.websdr.org 8 months

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Recent screenshots
Screenshots of pages hosted on this IP

Related infrastructure
Summary of infrastructure which pages hosted on this IP frequently talked to

IPs 44.137.72.131 | 1x

Domains websdr.pi1nos.ampr.org | 1x

Related screenshots
Screenshots of pages that talked to this IP

WHOIS for 44.137.72.131


NetRange:       44.0.0.0 - 44.191.255.255
CIDR:           44.0.0.0/9, 44.128.0.0/10
NetName:        AMPRNET
NetHandle:      NET-44-0-0-0-1
Parent:         NET44 (NET-44-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Amateur Radio Digital Communications (ARDC)
RegDate:        1992-07-01
Updated:        2021-12-14
Ref:            https://rdap.arin.net/registry/ip/44.0.0.0

OrgName:        Amateur Radio Digital Communications
OrgId:          ARDC
Address:        5663 Balboa Ave Suite 432
City:           San Diego
StateProv:      CA
PostalCode:     92111-2705
Country:        US
RegDate:        
Updated:        2023-12-13
Ref:            https://rdap.arin.net/registry/entity/ARDC

OrgAbuseHandle: SMITH5996-ARIN
OrgAbuseName:   Smith, Chris 
OrgAbusePhone:  +44 (0)1844 220022 
OrgAbuseEmail:  chris@ardc.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SMITH5996-ARIN

OrgTechHandle: SMITH5996-ARIN
OrgTechName:   Smith, Chris 
OrgTechPhone:  +44 (0)1844 220022 
OrgTechEmail:  chris@ardc.net
OrgTechRef:    https://rdap.arin.net/registry/entity/SMITH5996-ARIN