77.72.132.71
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
- Forward-confirmed reverse DNS (FCrDNS) +10
- Long-established allocation (16y) +6
- Not on any threat blocklist +5
- Trust score 86 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mailorg.net
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 7200 s
- Reverse DNS last checked
- 2026-10-05 23:47 UTC
- Forward DNS last checked
- 2026-10-05 23:47 UTC
Forward DNS records for mailorg.net
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 109.94.209.225 | — | 600s |
| A | 77.72.132.71 | — | 600s |
| MX | mail.mailorg.net | 10 | — |
| MX | mx.mailorg.net | 20 | — |
| NS | ns1.timeweb.ru | — | — |
| NS | ns2.timeweb.ru | — | — |
| NS | ns3.timeweb.org | — | — |
| NS | ns4.timeweb.org | — | — |
| TXT | v=DMARC1; p=none | — | — |
| TXT | v=spf1 ip4:77.72.132.71/32 ip4:31.193.124.102/32 ip4:109.94.209.225/32 ip4:77.221.148.134/32 ~all | — | — |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-04 UTC1
Registrable domains (like example.com) with at least one name resolving to this IP — counted once a week from issued.live's DNS snapshot.
Domain data provided by issued.live — for full details visit https://issued.live/pricing
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
- mailorg.net — Jun 11, 2026 → present 2 brief no-PTR dropouts
Network Allocation for 77.72.132.71
- CIDR range
- 77.72.128.0/21
- IP range (int)
- 1,296,596,992 — 1,296,599,039
- Prefix length
- /21
- Organization
- Colobridge GmbH
- ASN
- AS197252
- ASN name
- Colobridge GmbH
- Location
- Berlin, State Of Berlin, Germany
- Coordinates
- 52.509700, 13.193400
- Accuracy radius
- 20 km
- Postal code
- 13595
- Regional Internet Registry
- RIPE
- Allocated
- 2010-09-03
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-09-30 08:44:17
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 77.72.132.71?
77.72.132.71 is allocated to Colobridge GmbH (AS197252), registered in Berlin, Germany.
Where is 77.72.132.71 located?
The geolocation for 77.72.132.71 maps to Berlin, 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 77.72.132.71 on?
77.72.132.71 belongs to the 77.72.128.0/21 network block announced by AS197252. This range contains 2,048 addresses.
Does 77.72.132.71 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.
