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CIDR
/18 · 16.4K IPs
ASN
Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Reverse DNS
marin1a.geo.uni-leipzig.de
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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
marin1a.geo.uni-leipzig.de
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-07-18 08:47 UTC
Forward DNS last checked
2026-07-18 08:47 UTC

Forward DNS records for marin1a.geo.uni-leipzig.de

TypeValuePriorityTTL
A 139.18.170.34 172800s
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 139.18.170.34

CIDR range
139.18.128.0/18
IP range (int)
2,333,245,440 — 2,333,261,823
Prefix length
/18
Organization
Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
ASN
AS680
ASN name
Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Location
Leipzig, Saxony, Germany
Coordinates
51.342000, 12.381900
Accuracy radius
5 km
Postal code
04103
Regional Internet Registry
ARIN
Allocated
1990-06-14
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-11 09:23:19

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

Announced prefix
Origin AS
Announcement samples
4,483
Last seen
2026-07-18 10:52:00

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 New Allocation DE

See the full history for 139.16.0.0/13.

Frequently Asked Questions

Who owns 139.18.170.34?

139.18.170.34 is allocated to Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. (AS680), registered in Leipzig, Germany.

Where is 139.18.170.34 located?

The geolocation for 139.18.170.34 maps to Leipzig, 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 139.18.170.34 on?

139.18.170.34 belongs to the 139.18.128.0/18 network block announced by AS680. This range contains 16,384 addresses.

Does 139.18.170.34 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: 2026-07-17 17:49:05 UTC
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