136.244.107.159
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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- alfanetti.org
- Forward-confirmed (FCrDNS)
- ✗ Mismatch
- PTR TTL
- 3600 s
- Reverse DNS last checked
- 2026-09-22 17:18 UTC
- Forward DNS last checked
- 2026-09-22 17:18 UTC
Forward DNS records for alfanetti.org
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 104.21.76.183 | — | 300s |
| A | 172.67.198.230 | — | 300s |
| A | 188.114.96.11 | — | 172800s |
| A | 188.114.97.11 | — | 172800s |
| AAAA | 2606:4700:3033::ac43:c6e6 | — | 300s |
| AAAA | 2606:4700:3036::6815:4cb7 | — | 300s |
| AAAA | 2a06:98c1:3120::b | — | 172800s |
| AAAA | 2a06:98c1:3121::b | — | 172800s |
| MX | mail.protonmail.ch | 10 | — |
| MX | mailsec.protonmail.ch | 20 | — |
| NS | jason.ns.cloudflare.com | — | — |
| NS | olga.ns.cloudflare.com | — | — |
| TXT | google-site-verification=XYDfavQ96fQywUOng0Ej35_8eV27Lsbz2X9WJkdHthQ | — | — |
| TXT | protonmail-verification=2391f86a0d4062154e0c1881cdc96573b8ec00a0 | — | — |
| TXT | v=DMARC1; p=none | — | — |
| TXT | v=spf1 include:_spf.protonmail.ch mx ~all | — | — |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 136.244.107.159
- CIDR range
- 136.244.96.0/20
- IP range (int)
- 2,297,716,736 — 2,297,720,831
- Prefix length
- /20
- Organization
- The Constant Company, LLC
- ASN
- AS20473
- ASN name
- The Constant Company, LLC
- Location
- Amsterdam, North Holland, The Netherlands
- Coordinates
- 52.389100, 4.656300
- Accuracy radius
- 20 km
- Postal code
- 2031
- Regional Internet Registry
- ARIN
- Allocated
- 2019-04-08
- Data source(s)
- maxmind_city, maxmind_country, ipinfo_lite, maxmind_asn
- Last updated
- 2026-09-22 04:09:15
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 136.244.107.159?
136.244.107.159 is allocated to The Constant Company, LLC (AS20473), registered in Amsterdam, The Netherlands.
Where is 136.244.107.159 located?
The geolocation for 136.244.107.159 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 136.244.107.159 on?
136.244.107.159 belongs to the 136.244.96.0/20 network block announced by AS20473. This range contains 4,096 addresses.
Does 136.244.107.159 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.
