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CIDR
/22 · 1.0K IPs
ASN
LeaseWeb Netherlands B.V.
Reverse DNS
mail.walssystems.nl
Last scanned 2 days ago
Blocklisted
Checking…
Scanning blocklists

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.

78/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
mail.walssystems.nl
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-09-26 18:40 UTC
Forward DNS last checked
2026-09-26 18:40 UTC

Forward DNS records for mail.walssystems.nl

TypeValuePriorityTTL
A 40.101.112.128 — 172022s
A 40.101.112.193 — 172164s
A 40.101.112.72 — 172164s
A 40.104.16.226 — 172570s
A 40.104.16.242 — 169471s
A 40.104.210.2 — 172413s
A 40.104.46.18 — 10s
A 40.104.46.2 — 10s
A 40.104.46.34 — 10s
A 40.104.46.50 — 172581s
A 40.104.46.66 — 172316s
A 40.99.10.50 — 172413s
A 40.99.10.66 — 172413s
A 40.99.10.82 — 172800s
A 40.99.10.98 — 172800s
A 40.99.153.130 — 171435s
A 40.99.204.130 — 172800s
A 40.99.204.66 — 172800s
A 40.99.204.82 — 172800s
A 40.99.210.2 — 172164s
A 40.99.217.82 — 172269s
A 40.99.217.98 — 172800s
A 40.99.218.146 — 172164s
A 40.99.220.130 — 172215s
A 40.99.220.194 — 172269s
A 40.99.220.210 — 172372s
A 40.99.220.50 — 172800s
A 40.99.33.146 — 172653s
A 40.99.33.162 — 172568s
A 40.99.33.178 — 171513s
A 40.99.8.194 — 172568s
A 40.99.9.114 — 172568s
A 52.96.104.18 — 172800s
A 52.96.109.162 — 10s
A 52.96.109.242 — 169471s
A 52.96.111.18 — 10s
A 52.96.111.2 — 172800s
A 52.96.111.34 — 169471s
A 52.96.111.66 — 172800s
A 52.96.111.98 — 10s
A 52.96.113.242 — 10s
A 52.96.121.2 — 10s
A 52.96.122.66 — 172800s
A 52.96.164.210 — 10s
A 52.96.165.210 — 172800s
A 52.96.165.50 — 172800s
A 52.96.166.34 — 10s
A 52.96.173.146 — 172800s
A 52.96.179.114 — 10s
A 52.96.179.226 — 172316s
A 52.96.181.98 — 172570s
A 52.96.184.2 — 172800s
A 52.96.186.162 — 172800s
A 52.96.19.82 — 172316s
A 52.96.242.18 — 172570s
A 52.96.87.226 — 172316s
A 52.96.87.242 — 172570s
A 52.96.88.34 — 172570s
A 52.96.88.50 — 10s
A 52.96.88.98 — 172316s
A 52.96.90.34 — 172800s
A 52.96.97.162 — 172800s
A 52.97.101.194 — 172316s
A 52.97.183.194 — 172800s
A 52.97.201.2 — 172800s
A 52.97.201.50 — 172215s
A 52.97.201.98 — 172800s
A 52.97.233.114 — 172800s
A 52.97.233.18 — 172269s
A 52.97.233.34 — 172372s
A 52.97.233.50 — 172372s
A 52.97.233.66 — 172800s
A 52.97.233.82 — 172800s
A 52.97.250.242 — 172800s
A 52.98.151.242 — 171435s
A 52.98.159.194 — 172800s
A 52.98.159.226 — 172800s
A 52.98.159.242 — 172800s
A 52.98.178.162 — 171435s
A 52.98.189.226 — 172800s
A 52.98.189.242 — 172800s
A 52.98.202.82 — 172800s
A 52.98.227.162 — 172215s
A 52.98.227.178 — 172269s
A 52.98.227.242 — 172372s
A 52.98.228.34 — 172800s
A 52.98.231.242 — 172800s
A 52.98.232.18 — 172800s
A 52.98.234.242 — 171435s
A 52.98.40.34 — 172359s
A 52.98.50.18 — 172568s
A 52.98.54.130 — 172413s
AAAA 2603:1026:207:177::2 — 172800s
AAAA 2603:1026:900:3a::6 — 172164s
AAAA 2603:1026:900:3b::2 — 172164s
AAAA 2603:1026:c03:3000::2 — 172800s
AAAA 2603:1026:c03:3032::2 — 172800s
AAAA 2603:1026:c03:5818::2 — 172800s
AAAA 2603:1026:c03:581a::2 — 172800s
AAAA 2603:1026:c03:6025::2 — 172800s
AAAA 2603:1026:c03:7064::2 — 172800s
AAAA 2603:1026:c03:7066::2 — 172800s
AAAA 2603:1026:c03:7069::2 — 172800s
AAAA 2603:1026:c03:706b::2 — 172800s
AAAA 2603:1026:c03:706c::2 — 172800s
AAAA 2603:1026:c03:7070::2 — 172800s
AAAA 2603:1026:c03:7071::2 — 172800s
AAAA 2603:1026:c03:7072::2 — 172800s
AAAA 2603:1026:c03:7074::2 — 172800s
AAAA 2603:1026:c03:7078::2 — 172800s
AAAA 2603:1026:c03:707a::2 — 172800s
AAAA 2603:1026:c03:707b::2 — 172800s
AAAA 2603:1026:c03:707d::2 — 172800s
AAAA 2603:1026:c03:707e::2 — 172800s
AAAA 2603:1026:c03:707f::2 — 172800s
AAAA 2603:1026:c0a:1801::2 — 172269s
AAAA 2603:1026:c0a:1830::2 — 172269s
AAAA 2603:1026:c0a:1831::2 — 172800s
AAAA 2603:1026:c0a:1836::2 — 172372s
AAAA 2603:1026:c0a:1858::2 — 172372s
AAAA 2603:1026:c0a:185a::2 — 172800s
AAAA 2603:1026:c0a:185b::2 — 172215s
AAAA 2603:1026:c0a:185e::2 — 172372s
AAAA 2603:1026:c0a:1860::2 — 172215s
AAAA 2603:1026:c0a:1861::2 — 172800s
AAAA 2603:1026:c0a:1882::2 — 172269s
AAAA 2603:1026:c0a:1883::2 — 172800s
AAAA 2603:1026:c0a:18a4::2 — 172269s
AAAA 2603:1026:c0a:851::2 — 172372s
AAAA 2603:1026:c0a:852::2 — 172215s
AAAA 2603:1026:c0a:854::2 — 172372s
AAAA 2603:1026:c0a:857::2 — 171435s
AAAA 2603:1026:c0a:902::2 — 172372s
AAAA 2603:1026:c0a:903::2 — 171435s
AAAA 2603:1026:c0a:908::2 — 172372s
AAAA 2603:1026:c13:100a::2 — 172164s
AAAA 2603:1026:c13:100b::2 — 172022s
AAAA 2603:1026:c13:80c::2 — 172164s
AAAA 2603:1036:207:2000::2 — 172316s
AAAA 2603:1036:207:2001::2 — 172800s
AAAA 2603:1036:207:455::2 — 172316s
AAAA 2603:1036:207:456::2 — 172800s
AAAA 2603:1036:207:457::2 — 172316s
AAAA 2603:1036:207:459::2 — 172800s
AAAA 2603:1036:207:45c::2 — 172570s
AAAA 2603:1036:302:40e0::2 — 172316s
AAAA 2603:1036:302:4154::2 — 172800s
AAAA 2603:1036:302:4155::2 — 169471s
AAAA 2603:1036:302:4158::2 — 172316s
AAAA 2603:1036:302:4159::2 — 172800s
AAAA 2603:1036:302:415b::2 — 172570s
AAAA 2603:1036:302:415c::2 — 172570s
AAAA 2603:1036:302:415d::2 — 172570s
AAAA 2603:1036:302:415e::2 — 172800s
AAAA 2603:1036:302:4823::2 — 172800s
AAAA 2603:1036:302:4835::2 — 169471s
AAAA 2603:1036:302:4836::2 — 172570s
AAAA 2603:1036:302:4840::2 — 172800s
AAAA 2603:1036:302:4841::2 — 169471s
AAAA 2603:1036:302:4843::2 — 172800s
AAAA 2603:1036:302:4844::2 — 172800s
AAAA 2603:1036:302:4846::2 — 172800s
AAAA 2603:1036:302:4847::2 — 172800s
AAAA 2603:1036:302:48b4::2 — 169471s
AAAA 2603:1036:302:505a::2 — 172316s
AAAA 2603:1036:302:505d::2 — 172316s
AAAA 2603:1036:302:5062::2 — 172316s
AAAA 2603:1036:303:3805::2 — 172581s
AAAA 2603:1036:303:3c05::2 — 172581s
AAAA 2603:1036:303:3c38::2 — 172581s
AAAA 2603:1046:c01:2004::2 — 172568s
AAAA 2603:1046:c01:2005::2 — 172413s
AAAA 2603:1046:c01:2007::2 — 172568s
AAAA 2603:1046:c01:2460::2 — 172413s
AAAA 2603:1046:c01:2481::2 — 172359s
AAAA 2603:1046:c01:2488::2 — 172568s
AAAA 2603:1046:c01:2489::2 — 172653s
AAAA 2603:1046:c01:248a::2 — 172800s
AAAA 2603:1046:c01:248c::2 — 172413s
AAAA 2603:1046:c01:248d::2 — 172568s
AAAA 2603:1046:c01:248e::2 — 172800s
AAAA 2603:1046:c01:3001::2 — 172800s
AAAA 2603:1046:c01:3002::2 — 172800s
AAAA 2603:1046:c01:8bc::2 — 172359s
AAAA 2603:1046:c01:905::2 — 172359s
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.

Network Allocation for 37.48.106.181

CIDR range
37.48.104.0/22
IP range (int)
623,929,344 — 623,930,367
Prefix length
/22
Organization
LeaseWeb Netherlands B.V.
ASN
AS60781
ASN name
LeaseWeb Netherlands B.V.
Location
Amsterdam, North Holland, The Netherlands
Coordinates
52.371600, 4.888300
Accuracy radius
20 km
Postal code
1090
Regional Internet Registry
RIPE
Allocated
2012-01-24
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-24 05:20:40

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

Announced prefix
Origin AS
Announcement samples
46,399
Last seen
2026-09-26 19:31:28

Frequently Asked Questions

Who owns 37.48.106.181?

37.48.106.181 is allocated to LeaseWeb Netherlands B.V. (AS60781), registered in Amsterdam, The Netherlands.

Where is 37.48.106.181 located?

The geolocation for 37.48.106.181 maps to Amsterdam, The Netherlands 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 37.48.106.181 on?

37.48.106.181 belongs to the 37.48.104.0/22 network block announced by AS60781. This range contains 1,024 addresses.

Does 37.48.106.181 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.

Related

Last updated: 2026-09-24 15:53:59 UTC
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