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CIDR
/20 · 4.1K IPs
ASN
Universidad de Guadalajara
Reverse DNS
udg.mx
Last scanned 1 days ago
Blocklisted
Checking…
Scanning blocklists

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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
udg.mx
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
28800 s
Reverse DNS last checked
2026-07-18 01:00 UTC
Forward DNS last checked
2026-07-18 01:00 UTC

Forward DNS records for udg.mx

TypeValuePriorityTTL
A 148.202.105.56 456s
AAAA 2001:1210:105:34:0:403:a8:1 18727s
MX alt1.aspmx.l.google.com 5
MX alt2.aspmx.l.google.com 5
MX alt3.aspmx.l.google.com 10
MX alt4.aspmx.l.google.com 10
MX aspmx.l.google.com 1
NS d.ns.udg.mx
NS g.ns.udg.mx
NS u.ns.udg.mx
TXT 36hb6nyyk817sn8740788bgnp4ybs5fb
TXT 3fn3jqp91y9hdp6cnm2kxlry42kvcbdm
TXT 8gh7bbt4tgk0mkr9tj3vg0dvj9y7hm2k
TXT 8h7bxht5fmmhng2rdz57ctsn5tzqw5lw
TXT 946hq98virlpto1qluhl79q4h
TXT _imjwhgfzzjfa41pvhtrddarjw1i21m7
TXT _qaidqrscv986s9ygoexb84hd9u106hz
TXT _suewynot8vbejshh1dvxdwi26j30qi2
TXT dlb2dxbfspfb1pz8cc67l8wpm7vyx7d6
TXT google-site-verification=_mIeNuuz3rJqqHyfnWFT8gKM_zjeM8l8PPIKMQvhLxE
TXT google-site-verification=mH3PQcR1GEtIcLEQO1VohBLZt0hbtF-Iy8qDGJ6iILE
TXT jjbjsa6d1kn8nk9j34i25uejd8
TXT v=spf1 ip4:148.202.3.79 ip4:148.202.248.171 include:_spf.google.com ~all
CAA issue amazon.com 0
CAA issue amazontrust.com 0
CAA issue comodoca.com 0
CAA issue digicert.com 0
CAA issue godaddy.com 0
CAA issue letsencrypt.org 0
CAA issue sectigo.com 0
CAA issue trust-provider.com 0
CAA issuewild amazon.com 0
CAA issuewild amazontrust.com 0
CAA issuewild comodoca.com 0
CAA issuewild digicert.com 0
CAA issuewild godaddy.com 0
CAA issuewild letsencrypt.org 0
CAA issuewild sectigo.com 0
CAA issuewild trust-provider.com 0
every IP & sub-domain we've seen under this domain

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.

  1. carpetainformativa.udg.mx — Jul 9, 2026 → present
  2. portal-medios.udgcloud.udg.mx stable — Jun 13, 2026 → Jul 9, 2026
  3. entrevistascomsoc.udg.mx — Jun 11, 2026 → Jun 13, 2026

Network Allocation for 148.202.34.20

CIDR range
148.202.32.0/20
IP range (int)
2,496,274,432 — 2,496,278,527
Prefix length
/20
Organization
Universidad de Guadalajara
ASN
AS2549
ASN name
Universidad de Guadalajara
Location
Guadalajara, Jalisco, Mexico
Coordinates
20.676200, -103.346900
Accuracy radius
10 km
Postal code
44110
Regional Internet Registry
ARIN
Allocated
1992-08-10
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-09 18:20:41

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
23,892
Last seen
2026-07-19 16:47:47

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 RIR Transfer arin lacnic

See the full history for 148.202.0.0/15.

Frequently Asked Questions

Who owns 148.202.34.20?

148.202.34.20 is allocated to Universidad de Guadalajara (AS2549), registered in Guadalajara, Mexico.

Where is 148.202.34.20 located?

The geolocation for 148.202.34.20 maps to Guadalajara, 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 148.202.34.20 on?

148.202.34.20 belongs to the 148.202.32.0/20 network block announced by AS2549. This range contains 4,096 addresses.

Does 148.202.34.20 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.

Related

Last updated: 2026-07-19 17:09:31 UTC
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