IP range details

91.237.138.0/24

AS34891 · Urzad Miasta Stolecznego Warszawa

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Summary

Country	Poland
Domain	um.warszawa.pl
ASN	AS34891
Registry	ripe
Hosted IPs	256
ID	UM-WARSZAWA-NET2

WHOIS Details

inetnum:        91.237.138.0 - 91.237.139.255
netname:        UM-Warszawa-NET2
country:        PL
org:            ORG-UMSW1-RIPE
sponsoring-org: ORG-NTS2-RIPE
admin-c:        KS344-RIPE
tech-c:         KS344-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         UMW-MNT
mnt-routes:     UMW-MNT
mnt-domains:    UMW-MNT
created:        2012-03-26T11:23:51Z
last-modified:  2022-09-23T11:46:36Z
source:         RIPE
abuse-email:    abuse@um.warszawa.pl
abuse-c:        OAH22-RIPE
abuse-org:      ORG-NTS2-RIPE

organisation:   ORG-UMSW1-RIPE
org-name:       Urzad Miasta Stolecznego Warszawa
country:        PL
org-type:       OTHER
address:        pl. Bankowy 3/5
address:        00-950 Warsaw
address:        Poland
phone:          +48 22 4433377
e-mail:         kszymanski@um.warszawa.pl
admin-c:        KS344-RIPE
admin-c:        ATMA2-RIPE
tech-c:         ATMA1-RIPE
abuse-c:        OAH22-RIPE
notify:         registry@atm.com.pl
mnt-by:         ATMAN-MNT
mnt-by:         UMWAWA-MNT
mnt-ref:        UMWAWA-MNT
mnt-ref:        ATMAN-MNT
created:        2005-04-25T13:01:45Z
last-modified:  2022-12-01T16:57:21Z
source:         RIPE

person:         Krzysztof Szymanski
address:        Urzad Miasta Stolecznego Warszawa
phone:          +48 22 4433322
nic-hdl:        KS344-RIPE
created:        2009-10-15T08:34:59Z
last-modified:  2017-10-30T22:07:18Z
source:         RIPE
mnt-by:         UMW-MNT

route:          91.237.138.0/23
descr:          Urzad Miasta Stolecznego Warszawa
origin:         AS34891
mnt-by:         UMW-MNT
created:        2012-05-21T09:57:10Z
last-modified:  2012-05-21T09:57:10Z
source:         RIPE

Hosted domains

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What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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