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CIDR
/23 · 512 IPs
ASN
IHS Global, Inc.
Reverse DNS
mail.cdo.net
Last scanned 10 hr 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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
mail.cdo.net
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-10-22 13:23 UTC

Forward DNS records for mail.cdo.net

TypeValuePriorityTTL
A 8.38.18.89 — 3600s
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.

Domains hosted

as of 2026-10-18 UTC

0

issued.live's latest DNS data shows no domain resolving to this IP.

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.

This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.

Reverse-DNS changes between Oct 21, 2026 and Oct 22, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. mail.cdo.net — since at least Oct 22, 2026 → present
  2. autodiscover.cdo.net — Oct 21, 2026 → Oct 22, 2026
  3. mail.cdo.net — Oct 19, 2026 → Oct 21, 2026
  4. autodiscover.cdo.net — Oct 18, 2026 → Oct 19, 2026
  5. mail.cdo.net — Oct 17, 2026 → Oct 18, 2026
  6. autodiscover.cdo.net — Oct 16, 2026 → Oct 17, 2026
  7. mail.cdo.net — Oct 15, 2026 → Oct 16, 2026
  8. autodiscover.cdo.net — Oct 13, 2026 → Oct 15, 2026
  9. mail.cdo.net — Oct 9, 2026 → Oct 13, 2026
  10. autodiscover.cdo.net — Oct 7, 2026 → Oct 9, 2026
  11. mail.cdo.net — Oct 6, 2026 → Oct 7, 2026
  12. autodiscover.cdo.net — Oct 3, 2026 → Oct 6, 2026
  13. mail.cdo.net — Oct 2, 2026 → Oct 3, 2026
  14. autodiscover.cdo.net — Oct 1, 2026 → Oct 2, 2026
  15. mail.cdo.net — Sep 29, 2026 → Oct 1, 2026
  16. autodiscover.cdo.net — Sep 28, 2026 → Sep 29, 2026
  17. mail.cdo.net — Sep 27, 2026 → Sep 28, 2026
  18. autodiscover.cdo.net — Aug 25, 2026 → Sep 27, 2026
  19. mail.cdo.net — Aug 24, 2026 → Aug 25, 2026
  20. autodiscover.cdo.net — Aug 18, 2026 → Aug 24, 2026
  21. mail.cdo.net — Aug 17, 2026 → Aug 18, 2026
  22. autodiscover.cdo.net — Jul 6, 2026 → Aug 17, 2026
  23. mail.cdo.net — Jul 1, 2026 → Jul 6, 2026
  24. autodiscover.cdo.net — Jun 19, 2026 → Jul 1, 2026
  25. mail.cdo.net — Jun 16, 2026 → Jun 19, 2026

Network Allocation for 8.38.18.89

CIDR range
8.38.18.0/23
IP range (int)
136,712,704 — 136,713,215
Prefix length
/23
Organization
IHS Global, Inc.
ASN
AS27205
ASN name
IHS Global, Inc.
Location
San Luis Obispo, California, United States
Coordinates
35.261200, -120.655000
Accuracy radius
5 km
Postal code
93401
Regional Internet Registry
ARIN
Allocated
1992-12-01
Data source(s)
ipinfo_lite, maxmind_asn, maxmind_city, maxmind_country
Last updated
2026-10-22 08:42:06

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

Announced prefix
Origin AS
Announcement samples
56,969
Last seen
2026-10-22 23:30:12

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours, for ranges that have contained this IP.

Date Event From To
2026-05-10 New Allocation — US

See the full history for 8.38.0.0/18.

Frequently Asked Questions

Who owns 8.38.18.89?

8.38.18.89 is allocated to IHS Global, Inc. (AS27205), registered in San Luis Obispo, United States.

Where is 8.38.18.89 located?

The geolocation for 8.38.18.89 maps to San Luis Obispo, United States 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 8.38.18.89 on?

8.38.18.89 belongs to the 8.38.18.0/23 network block announced by AS27205. This range contains 512 addresses.

Does 8.38.18.89 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: 2026-10-22 23:47:44 UTC
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