136.244.87.181
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.
- Baseline (neutral) 65
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 75 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mailacad.dedyn.io
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 3600 s
- Reverse DNS last checked
- 2026-07-18 13:31 UTC
- Forward DNS last checked
- 2026-07-18 13:31 UTC
Forward DNS records for mailacad.dedyn.io
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 136.255.91.30 | — | 172800s |
| MX | mailacad.dedyn.io | 10 | — |
| NS | ns1.desec.io | — | — |
| NS | ns2.desec.org | — | — |
| TXT | v=DMARC1; p=quarantine | — | — |
| TXT | v=spf1 ip4:136.255.91.30 -all | — | — |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 136.244.87.181
- CIDR range
- 136.244.80.0/20
- IP range (int)
- 2,297,712,640 — 2,297,716,735
- Prefix length
- /20
- Organization
- The Constant Company, LLC
- ASN
- AS20473
- ASN name
- The Constant Company, LLC
- Location
- Frankfurt am Main, Hesse, Germany
- Coordinates
- 50.110300, 8.714700
- Accuracy radius
- 20 km
- Postal code
- 60314
- Regional Internet Registry
- ARIN
- Allocated
- 2019-04-08
- Data source(s)
- maxmind_city, maxmind_country, ipinfo_lite, maxmind_asn
- Last updated
- 2026-07-11 09:23:17
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 136.244.87.181?
136.244.87.181 is allocated to The Constant Company, LLC (AS20473), registered in Frankfurt am Main, Germany.
Where is 136.244.87.181 located?
The geolocation for 136.244.87.181 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 136.244.87.181 on?
136.244.87.181 belongs to the 136.244.80.0/20 network block announced by AS20473. This range contains 4,096 addresses.
Does 136.244.87.181 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.
