91.193.18.51 IP Lookup — HZ Hosting Ltd

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

72/100

Moderate

How this score is built

Baseline (neutral) 65
Datacenter — common VPN/proxy host −6
Not on any threat blocklist +5
Has a reverse-DNS (PTR) record +5
Established allocation (8y) +3
Trust score 72 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR): officeplanet.net
Forward-confirmed (FCrDNS): ✗ Mismatch
PTR TTL: 86400 s
Reverse DNS last checked: 2026-07-19 05:33 UTC
Forward DNS last checked: 2026-07-19 05:33 UTC

Forward DNS records for officeplanet.net

Type	Value	Priority	TTL
A	103.169.90.147	—	172800s
A	103.169.90.148	—	172800s
A	185.223.57.151	—	172800s
A	185.253.117.100	—	172800s
A	185.253.117.191	—	172800s
A	194.33.28.11	—	172800s
A	194.33.28.36	—	172800s
A	194.33.28.37	—	172800s
A	194.33.28.56	—	172800s
A	194.33.28.92	—	172800s
A	212.2.34.80	—	172800s
A	77.83.196.76	—	172800s
A	91.193.18.51	—	172800s
AAAA	2a01:8640:1c::1298:b2c0	—	172800s
AAAA	2a01:8640:1c::1e9e:d383	—	172800s
AAAA	2a01:8640:1c::287e:bf51	—	172800s
AAAA	2a01:8640:1c::30ea:59c9	—	172800s
AAAA	2a01:8640:1c::3257:4824	—	172800s
AAAA	2a01:8640:1c::39e5:92cf	—	172800s
AAAA	2a01:8640:1c::3dfa:bd4f	—	172800s
AAAA	2a01:8640:1c::3e13:4971	—	172800s
AAAA	2a01:8640:1c::3e3d:70f6	—	172800s
AAAA	2a01:8640:1c::41e5:3d7a	—	172800s
AAAA	2a01:8640:1c::48a0:50bf	—	172800s
AAAA	2a01:8640:1c::48c8:fabd	—	172800s
AAAA	2a01:8640:1c::49f3:1797	—	172800s
AAAA	2a01:8640:1c::4fa6:7056	—	172800s
AAAA	2a01:8640:1c::590a:c0f1	—	172800s
AAAA	2a01:8640:1c::618e:6987	—	172800s
AAAA	2a01:8640:1c::65ed:c21b	—	172800s
AAAA	2a01:8640:1c::6f0f:be81	—	172800s
AAAA	2a01:8640:1c::78f7:d32f	—	172800s
AAAA	2a01:8640:1c::8484:d63f	—	172800s
AAAA	2a01:8640:1c::a4ae:c3c	—	172800s
AAAA	2a01:8640:1c::a53d:4952	—	172800s
AAAA	2a01:8640:1c::a596:d085	—	172800s
AAAA	2a01:8640:1c::a650:3cd2	—	172800s
AAAA	2a01:8640:1c::b25a:b849	—	172800s
AAAA	2a01:8640:1c::b38b:fafb	—	172800s
AAAA	2a01:8640:1c::b3ba:2937	—	172800s
AAAA	2a01:8640:1c::b6b0:7a8	—	172800s
AAAA	2a01:8640:1c::b8ce:7f23	—	172800s
AAAA	2a01:8640:1c::d989:abcf	—	172800s
AAAA	2a01:8640:1c::dbf6:aba	—	172800s
AAAA	2a01:8640:1c::f7c:53ec	—	172800s
AAAA	2a01:8640:a::251c:be64	—	172800s
AAAA	2a01:8640:a::256e:c07c	—	172800s
AAAA	2a01:8640:a::268c:62a9	—	172800s
AAAA	2a01:8640:a::2c82:b380	—	172800s
AAAA	2a01:8640:a::2edf:3ae0	—	172800s
AAAA	2a01:8640:a::4d9a:1a5f	—	172800s
AAAA	2a01:8640:a::837f:8ab5	—	172800s
AAAA	2a01:8640:a::8d19:4d60	—	172800s
AAAA	2a01:8640:a::93da:ed1f	—	172800s
AAAA	2a01:8640:a::be0c:31ce	—	172800s
AAAA	2a01:8640:a::c3bd:4189	—	172800s
AAAA	2a01:8640:a::de38:8a46	—	172800s
AAAA	2a01:8640:a::e9c9:1b7e	—	172800s
AAAA	2a01:8640:a::ebdb:634a	—	172800s
AAAA	2a01:8640:a::edf3:6486	—	172800s
AAAA	2a01:8640:a::f740:87dc	—	172800s
MX	officeplanet.net	10	—
NS	perla.ns.cloudflare.com	—	—
NS	salvador.ns.cloudflare.com	—	—
TXT	v=DMARC1;p=quarantine;pct=100;rua=mailto:bounces@officeplanet.net;ruf=mailto:bounces@officeplanet.net;ri=86400;fo=1;	—	—
TXT	v=spf1 ip4:103.169.90.0/24 ~all	—	—
TXT	v=spf1 ip4:185.253.117.100 ip4:194.33.28.36 ip4:194.33.28.56 ip6:2a01:8640:1c::/64 ~all	—	—
TXT	v=spf1 ip4:185.253.117.191 ip4:194.33.28.0/24 ip6:2a01:8640:1c::/64 ~all	—	—
TXT	v=spf1 ip4:91.193.18.51 ip4:185.223.57.151 ip4:77.83.196.76 ip4:212.2.34.80 ip6:2a01:8640:a::/48 ~all	—	—

every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Hosted domains

Domains GRIP observed with an A record pointing to this IP — a forward-DNS view that complements the reverse (PTR) records above.

Network Allocation for 91.193.18.51

CIDR range: 91.193.18.0/24
IP range (int): 1,539,379,712 — 1,539,379,967
Prefix length: /24
Organization: HZ Hosting Ltd
ASN: AS59711
ASN name: HZ Hosting Ltd
Location: Warsaw, Mazovia, Poland
Coordinates: 52.229900, 21.009300
Accuracy radius: 20 km
Postal code: 00-510
Regional Internet Registry: RIPE
Allocated: 2018-04-18
Data source(s): maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated: 2026-07-11 09:22:18

BGP Routing

Live BGP anomalies →

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix

91.193.18.0/24

Origin AS

AS59711

Announcement samples

5,504

Last seen

2026-07-19 13:06:24

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date	Event	From	To	RIR
2026-05-10	New Allocation	—	BG	ripe

See the full history for 91.193.18.0/24.

Frequently Asked Questions

Who owns 91.193.18.51?

91.193.18.51 is allocated to HZ Hosting Ltd (AS59711), registered in Warsaw, Poland.

Where is 91.193.18.51 located?

The geolocation for 91.193.18.51 maps to Warsaw, Poland based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 91.193.18.51 on?

91.193.18.51 belongs to the 91.193.18.0/24 network block announced by AS59711. This range contains 256 addresses.

Does 91.193.18.51 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

91.193.18.43 91.193.18.44 91.193.18.45 91.193.18.46 91.193.18.47 91.193.18.48 91.193.18.49 91.193.18.50 91.193.18.52 91.193.18.53 91.193.18.54 91.193.18.55 91.193.18.56 91.193.18.57 91.193.18.58 91.193.18.59 See all in 91.193.18.0/24 →

91.193.18.51