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
- Long-established allocation (33y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- solar03.solar.cinvestav.mx
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 36000 s
- Reverse DNS last checked
- 2026-09-07 19:01 UTC
Forward DNS records for solar03.solar.cinvestav.mx
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 148.247.99.113 | — | 36000s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 148.247.99.113
- CIDR range
- 148.247.96.0/21
- IP range (int)
- 2,499,239,936 — 2,499,241,983
- Prefix length
- /21
- ASN
- AS3548
- ASN name
- Centro de Investigacion y de Estudios Avanzados del Instituto Politecnico Nacional
- Location
- Tultepec, M Xico, Mexico
- Coordinates
- 19.701100, -99.126300
- Accuracy radius
- 20 km
- Postal code
- 54965
- Regional Internet Registry
- LACNIC
- Allocated
- 1993-03-10
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-09-12 05:57:39
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 | — | MX |
See the full history for 148.240.0.0/13.
Frequently Asked Questions
Who owns 148.247.99.113?
148.247.99.113 is allocated to Centro de Investigacion y de Estudios Avanzados del Instituto Politecnico Nacional (AS3548), registered in Tultepec, Mexico.
Where is 148.247.99.113 located?
The geolocation for 148.247.99.113 maps to Tultepec, Mexico 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 148.247.99.113 on?
148.247.99.113 belongs to the 148.247.96.0/21 network block announced by AS3548. This range contains 2,048 addresses.
Does 148.247.99.113 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.
