87.128.33.63
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 (21y) +6
- Not on any threat blocklist +5
- Isp allocation +5
- Trust score 91 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- remote.kolb-group.de
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 21600 s
- Reverse DNS last checked
- 2026-10-01 02:56 UTC
- Forward DNS last checked
- 2026-10-01 02:56 UTC
Forward DNS records for remote.kolb-group.de
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 87.128.33.63 | — | 172800s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.
Reverse-DNS changes between Sep 30, 2026 and Oct 1, 2026 were not recorded; the current PTR is shown from its earliest retained observation.
- remote.kolb-group.de — since at least Oct 1, 2026 → present
- mail.kolb-group.de — Sep 30, 2026 → Oct 1, 2026
- remote.kolb-group.de — Sep 28, 2026 → Sep 30, 2026
- mail.kolb-group.de — Aug 25, 2026 → Sep 28, 2026
- remote.kolb-group.de — Aug 19, 2026 → Aug 25, 2026
- mail.kolb-group.de — Aug 17, 2026 → Aug 19, 2026
- remote.kolb-group.de — Jul 8, 2026 → Aug 17, 2026
Network Allocation for 87.128.33.63
- CIDR range
- 87.128.32.0/20
- IP range (int)
- 1,468,014,592 — 1,468,018,687
- Prefix length
- /20
- Organization
- Deutsche Telekom AG
- ASN
- AS3320
- ASN name
- Deutsche Telekom AG
- Location
- Berlin, State Of Berlin, Germany
- Coordinates
- 52.531200, 13.387800
- Accuracy radius
- 200 km
- Postal code
- 10115
- Regional Internet Registry
- RIPE
- Allocated
- 2005-05-03
- Data source(s)
- maxmind_city, ipinfo_lite, maxmind_country, maxmind_asn
- Last updated
- 2026-10-01 05:23:10
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
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 87.128.0.0/10.
Frequently Asked Questions
Who owns 87.128.33.63?
87.128.33.63 is allocated to Deutsche Telekom AG (AS3320), registered in Berlin, Germany.
Where is 87.128.33.63 located?
The geolocation for 87.128.33.63 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 87.128.33.63 on?
87.128.33.63 belongs to the 87.128.32.0/20 network block announced by AS3320. This range contains 4,096 addresses.
Does 87.128.33.63 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.
