IP Address Information For 128.2.157.21

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 128.2.157.21.
if you have any comments on the information shown in this page, feel free to contact us.

General information:

IP Address: 128.2.157.21
DNS Hostname (PTR Record): relay-06.andrew.cmu.edu
DNS Nameservers: nsauth1.net.cmu.edu, nsauth2.net.cmu.edu
DNS Zone: 157.2.128.in-addr.arpa
Network route: 128.2.0.0/16
Network owner: Carnegie Mellon University
ASN #: 9
Part of range: 128.2.157.0/24

Geographic location:

Country: United States - US
City: Bloomfield
State/Region: Pennsylvania
Longitude: -79.950813
Latitude: 40.460941
Timezone: -04:00

Location on the map:

The IP address 128.2.157.21 originates in a datacenter located in Bloomfield, United States

Network speed information:

Average network speed for United States:

Mobile:

Download

262.71

Mbps

,

Upload

18.44

Mbps
Broadband:

Download

358.12

Mbps

,

Upload

173.88

Mbps

IP Address 128.2.157.21 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 1997-2025, American Registry for Internet Numbers, Ltd.
#



NetRange:       128.2.0.0 - 128.2.255.255
CIDR:           128.2.0.0/16
NetName:        CMU-NET
NetHandle:      NET-128-2-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS9
Organization:   Carnegie Mellon University (CARNEG-Z)
RegDate:        1984-04-17
Updated:        2021-12-14
Ref:            https://rdap.arin.net/registry/ip/128.2.0.0


OrgName:        Carnegie Mellon University
OrgId:          CARNEG-Z
Address:        Cyert Hall 215
Address:        5000 Forbes Avenue
City:           Pittsburgh
StateProv:      PA
PostalCode:     15213
Country:        US
RegDate:        2009-12-01
Updated:        2020-03-27
Ref:            https://rdap.arin.net/registry/entity/CARNEG-Z


OrgTechHandle: CH4-ORG-ARIN
OrgTechName:   Carnegie Mellon Hostmaster
OrgTechPhone:  +1-412-268-4357 
OrgTechEmail:  host-master@andrew.cmu.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

OrgAbuseHandle: CMA3-ARIN
OrgAbuseName:   Carnegie Mellon Abuse
OrgAbusePhone:  +1-412-268-4357 
OrgAbuseEmail:  abuse@andrew.cmu.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CMA3-ARIN

OrgNOCHandle: CH4-ORG-ARIN
OrgNOCName:   Carnegie Mellon Hostmaster
OrgNOCPhone:  +1-412-268-4357 
OrgNOCEmail:  host-master@andrew.cmu.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

RNOCHandle: CH4-ORG-ARIN
RNOCName:   Carnegie Mellon Hostmaster
RNOCPhone:  +1-412-268-4357 
RNOCEmail:  host-master@andrew.cmu.edu
RNOCRef:    https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

RTechHandle: CH4-ORG-ARIN
RTechName:   Carnegie Mellon Hostmaster
RTechPhone:  +1-412-268-4357 
RTechEmail:  host-master@andrew.cmu.edu
RTechRef:    https://rdap.arin.net/registry/entity/CH4-ORG-ARIN

RAbuseHandle: CMA3-ARIN
RAbuseName:   Carnegie Mellon Abuse
RAbusePhone:  +1-412-268-4357 
RAbuseEmail:  abuse@andrew.cmu.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/CMA3-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.
#

Reputation information:

Sender score: 43 (very poor)

Blacklists information:

Listed in Spamhaus: no
Listed in Barracuda: no
Listed in Spamcop: no
More blacklists: Full blacklists test on 128.2.157.21

Email behaviour monitor:

The IP address 128.2.157.21 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 01-07-25 to 11-07-25:

Sender score:

Sender Volume:

Spamhaus Listing:

Spamcop Listing:

Barracuda Listing: