IP Address Information For 128.36.1.21
IP address information can vary in different details, from the IP's server and datacenters, WHOIS information, all the way to geolocation and longitude/latitude coordinates, and
goes all the way to the IP address' network organization, IP ranges, appearance in DNSBL blacklists, and more.
In this page we have collected a sample of information for the IP address 128.36.1.21.
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General information:
- IP Address: 128.36.1.21
- DNS Hostname (PTR Record): No Hostname
- DNS Nameservers: pks1302-102.net.yale.edu, pks1302-103.net.yale.edu
- DNS Zone: 36.128.in-addr.arpa
- Network route: 128.36.0.0/22
- Network owner: Yale University
- ASN #: 29
- Part of range: 128.36.1.0/24
Geographic location:
- Country: United States - US
- City: New Haven
- State/Region: Connecticut
- Longitude: -72.928062
- Latitude: 41.308121
- Timezone: -04:00
Location on the map:
The IP address 128.36.1.21 originates in a datacenter located in New Haven, United States
Network speed information:
Average network speed for United States:
-
Mobile:,Download300.63MbpsUpload20.95Mbps
-
Broadband:,Download386.45MbpsUpload197.00Mbps
IP Address 128.36.1.21 WHOIS Information:
# # 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 1997-2026, American Registry for Internet Numbers, Ltd. # NetRange: 128.36.0.0 - 128.36.255.255 CIDR: 128.36.0.0/16 NetName: YALE-NET NetHandle: NET-128-36-0-0-1 Parent: NET128 (NET-128-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Yale University (YALEUN-Z) RegDate: 1983-08-16 Updated: 2025-07-31 Ref: https://rdap.arin.net/registry/ip/128.36.0.0 OrgName: Yale University OrgId: YALEUN-Z Address: Yale Information Technology Services Address: 150 Munson Street City: New Haven StateProv: CT PostalCode: 06511 Country: US RegDate: 2023-09-29 Updated: 2023-09-29 Ref: https://rdap.arin.net/registry/entity/YALEUN-Z OrgTechHandle: MASSA51-ARIN OrgTechName: Massameno, Dan OrgTechPhone: +1-203-785-7744 OrgTechEmail: dan.massameno@yale.edu OrgTechRef: https://rdap.arin.net/registry/entity/MASSA51-ARIN OrgTechHandle: NOT35-ARIN OrgTechName: Network Operations Team OrgTechPhone: +1-203-432-6651 OrgTechEmail: networkops@yale.edu OrgTechRef: https://rdap.arin.net/registry/entity/NOT35-ARIN OrgAbuseHandle: IST27-ARIN OrgAbuseName: Information Security team OrgAbusePhone: +1-203-436-0519 OrgAbuseEmail: abuse@yale.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/IST27-ARIN OrgTechHandle: LUTIN-ARIN OrgTechName: Lutinski, Robert OrgTechPhone: +1-203-432-3097 OrgTechEmail: robert.lutinski@yale.edu OrgTechRef: https://rdap.arin.net/registry/entity/LUTIN-ARIN RTechHandle: NET13-ARIN RTechName: Network Engineering Team RTechPhone: +1-203-432-6645 RTechEmail: net-eng@yale.edu RTechRef: https://rdap.arin.net/registry/entity/NET13-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 1997-2026, American Registry for Internet Numbers, Ltd. #
Reputation information:
- Sender score: 0 (very poor)
Blacklists information:
- Listed in Spamhaus: no
- Listed in Barracuda: no
- Listed in Spamcop: no
- More blacklists: Full blacklists test on 128.36.1.21
Email behaviour monitor:
The IP address 128.36.1.21 appears to be an active mail server. The following charts represent data the community has gathered by observing the mail sending behaviour of this IP address during the last 10 days from 07-04-26 to 17-04-26:
Sender score:
Sender Volume:
Spamhaus Listing:
Spamcop Listing:
Barracuda Listing: