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CIDR
/23 · 512 IPs
ASN
Link11 GmbH
Reverse DNS
cdg.ac.at
Last scanned 1 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.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
cdg.ac.at
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
21600 s
Reverse DNS last checked
2026-09-29 22:49 UTC
Forward DNS last checked
2026-09-29 22:49 UTC

Forward DNS records for cdg.ac.at

TypeValuePriorityTTL
A 128.65.210.223 — 3600s
MX cdg-ac-at.mail.protection.outlook.com 10 —
NS ns1.link11.de — —
NS ns2.link11.de — —
NS ns3.link11.de — —
TXT MS=92F2F8684D180DF2B24F6A40FE76EEF03A382CFD — —
TXT MS=ms87708982 — —
TXT atlassian-domain-verification=bfYlhBCmrwSj7o/meR1jvpLCdoYXd8hHSIVtiAjjLO7z0NJgcy0GmhIS3AqSFd8C — —
TXT brevo-code:6b2ccf66a814cdf5ee900c0c162091ea — —
TXT google-site-verification=BvDfulFqi6rsLDUzmy9sNn3jnBqQ-ocXHIlPZheq2_s — —
TXT v=DMARC1; p=none; rua=mailto:rua@cdg.ac.at; ruf=mailto:ruf@cdg.ac.at — —
TXT v=spf1 ip4:157.90.181.161/26 ip4:188.64.195.72 ip4:157.90.5.189 ip4:88.99.80.112 include:spf.protection.outlook.com ~all — —
TXT v=spf1 ip4:157.90.181.161/26 ip4:188.64.195.72 ip4:46.225.167.164 ip4:88.99.80.112 include:spf.protection.outlook.com ~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.

Network Allocation for 128.65.210.223

CIDR range
128.65.210.0/23
IP range (int)
2,151,797,248 — 2,151,797,759
Prefix length
/23
Organization
Link11 GmbH
ASN
AS34309
ASN name
Link11 GmbH
Location
Frankfurt am Main, Hesse, Germany
Coordinates
50.110300, 8.714700
Accuracy radius
20 km
Postal code
60314
Regional Internet Registry
RIPE
Allocated
2011-10-07
Data source(s)
ipinfo_lite, maxmind_city, maxmind_country, maxmind_asn
Last updated
2026-09-29 02:32:10

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

Announced prefix
Origin AS
Announcement samples
23,259
Last seen
2026-09-30 10:26:40

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
2026-05-10 RIR Transfer arin ripe

See the full history for 128.65.208.0/20.

Frequently Asked Questions

Who owns 128.65.210.223?

128.65.210.223 is allocated to Link11 GmbH (AS34309), registered in Frankfurt am Main, Germany.

Where is 128.65.210.223 located?

The geolocation for 128.65.210.223 maps to Frankfurt am Main, Germany 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 128.65.210.223 on?

128.65.210.223 belongs to the 128.65.210.0/23 network block announced by AS34309. This range contains 512 addresses.

Does 128.65.210.223 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: 2026-09-29 04:32:00 UTC
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