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IP Address Information For 103.168.172.135

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 103.168.172.135.
if you have any comments on the information shown in this page, feel free to contact us.

General information:

IP Address: 103.168.172.135
DNS Hostname (PTR Record): fsystem-a2-smtp.messagingengine.com
DNS Nameservers: fmns1.messagingengine.com, fmns2.messagingengine.com
DNS Zone: 172.168.103.in-addr.arpa
Network route: 103.168.172.0/24
Network owner: Fastmail Pty Ltd
ASN #: 151847
Part of range: 103.168.172.0/24

Geographic location:

Country: United States - US
City: Newark
State/Region: New Jersey
Longitude: -74.173576
Latitude: 40.732277
Timezone: -04:00

Location on the map:

The IP address 103.168.172.135 originates in a datacenter located in Newark, United States

Network speed information:

Average network speed for United States:

Mobile:

Download

291.36

Mbps

,

Upload

19.34

Mbps
Broadband:

Download

389.80

Mbps

,

Upload

205.59

Mbps

IP Address 103.168.172.135 WHOIS Information:

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '103.168.172.0 - 103.168.172.255'

% Abuse contact for '103.168.172.0 - 103.168.172.255' is 'abuse@fastmail.com'

inetnum:        103.168.172.0 - 103.168.172.255
netname:        FASTMAILPTYLTD-AU
descr:          Fastmail Pty Ltd t/a Fastmail
country:        AU
org:            ORG-FA47-AP
admin-c:        FPLA12-AP
tech-c:         FPLA12-AP
abuse-c:        AF708-AP
status:         ASSIGNED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-routes:     MAINT-FASTMAILPTYLTD-AU
mnt-irt:        IRT-FASTMAILPTYLTD-AU
last-modified:  2024-12-18T23:06:48Z
geoloc:         39.95231538093297  -75.16478978236638
geofeed:        https://data.fastmail.com/data/geofeed.csv
source:         APNIC

irt:            IRT-FASTMAILPTYLTD-AU
address:        Level 2, 114 William Street, Melbourne Victoria 3000
e-mail:         abuse@fastmail.com
abuse-mailbox:  abuse@fastmail.com
admin-c:        FPLA12-AP
tech-c:         FPLA12-AP
auth:           # Filtered
remarks:        abuse@fastmail.com was validated on 2026-05-12
mnt-by:         MAINT-FASTMAILPTYLTD-AU
last-modified:  2026-05-12T13:15:13Z
source:         APNIC

organisation:   ORG-FA47-AP
org-name:       Fastmail
org-type:       LIR
country:        AU
address:        Level 2, 114 William Street
phone:          +61457416436
e-mail:         apnic@role.fastmailteam.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:35Z
source:         APNIC

role:           ABUSE FASTMAILPTYLTDAU
country:        ZZ
address:        Level 2, 114 William Street, Melbourne Victoria 3000
phone:          +000000000
e-mail:         abuse@fastmail.com
admin-c:        FPLA12-AP
tech-c:         FPLA12-AP
nic-hdl:        AF708-AP
remarks:        Generated from irt object IRT-FASTMAILPTYLTD-AU
remarks:        abuse@fastmail.com was validated on 2026-05-12
abuse-mailbox:  abuse@fastmail.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-12T13:15:35Z
source:         APNIC

role:           Fastmail Pty Ltd administrator
address:        Level 2, 114 William Street, Melbourne Victoria 3000
country:        AU
phone:          +61457416436
e-mail:         abuse@fastmail.com
admin-c:        FPLA12-AP
tech-c:         FPLA12-AP
nic-hdl:        FPLA12-AP
mnt-by:         MAINT-FASTMAILPTYLTD-AU
last-modified:  2021-06-21T02:31:27Z
source:         APNIC

% Information related to '103.168.172.0/24AS151847'

route:          103.168.172.0/24
origin:         AS151847
descr:          Fastmail Pty Ltd
                Level 2, 114 William Street
mnt-by:         MAINT-FASTMAILPTYLTD-AU
last-modified:  2023-10-12T04:10:02Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)

Reputation information:

Sender score: 99 (very good)

Blacklists information:

Listed in Spamhaus: no
Listed in Barracuda: no
Listed in Spamcop: no
More blacklists: Full blacklists test on 103.168.172.135

Email behaviour monitor:

The IP address 103.168.172.135 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 21-08-26 to 31-08-26:

Sender score:

Sender Volume:

Spamhaus Listing:

Spamcop Listing:

Barracuda Listing: