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IPv4 Address

203.66.11.61

Data Communication Business Group AS3462 · Data Communication Business Group Taiwan Tainan Tainan APNIC
Within
203.66.0.0/15
CIDR
203.66.0.0/18
/18 · 16.4K IPs
ASN
AS3462
Data Communication Business Group
Reverse DNS
edsmap1.ncdr.nat.gov.tw
Last scanned 6 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.

85/100
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)
edsmap1.ncdr.nat.gov.tw
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
59 s
Reverse DNS last checked
2026-10-23 07:22 UTC

Forward DNS records for edsmap1.ncdr.nat.gov.tw

TypeValuePriorityTTL
A 140.110.19.225 — 60s
A 61.56.4.61 — 60s
MX ms2.ncdr.nat.gov.tw 10 —
NS gslbncree.ncdr.nat.gov.tw — —
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 23, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. edsmap1.ncdr.nat.gov.tw — since at least Oct 23, 2026 → present
  2. eocmobile.ncdr.nat.gov.tw — Oct 21, 2026 → Oct 23, 2026
  3. edsmap1.ncdr.nat.gov.tw — Oct 21, 2026 → Oct 21, 2026
  4. ieoc.ncdr.nat.gov.tw — Oct 21, 2026 → Oct 21, 2026
  5. eocmobile.ncdr.nat.gov.tw — Oct 20, 2026 → Oct 21, 2026
  6. eocdss.ncdr.nat.gov.tw — Oct 19, 2026 → Oct 20, 2026
  7. edsmap1.ncdr.nat.gov.tw — Oct 19, 2026 → Oct 19, 2026
  8. eocdss.ncdr.nat.gov.tw — Oct 18, 2026 → Oct 19, 2026
  9. eocmobile.ncdr.nat.gov.tw — Oct 18, 2026 → Oct 18, 2026
  10. edsmap1.ncdr.nat.gov.tw — Oct 18, 2026 → Oct 18, 2026
  11. ieoc.ncdr.nat.gov.tw — Oct 17, 2026 → Oct 18, 2026
  12. edsmap1.ncdr.nat.gov.tw — Oct 17, 2026 → Oct 17, 2026
  13. eocdss.ncdr.nat.gov.tw — Oct 17, 2026 → Oct 17, 2026
  14. edsmap1.ncdr.nat.gov.tw — Oct 16, 2026 → Oct 17, 2026
  15. eocdss.ncdr.nat.gov.tw — Oct 16, 2026 → Oct 16, 2026
  16. edsmap1.ncdr.nat.gov.tw — Oct 14, 2026 → Oct 16, 2026
  17. ieoc.ncdr.nat.gov.tw — Oct 13, 2026 → Oct 14, 2026
  18. edsmap1.ncdr.nat.gov.tw — Oct 13, 2026 → Oct 13, 2026
  19. ieoc.ncdr.nat.gov.tw — Oct 12, 2026 → Oct 13, 2026
  20. edsmap1.ncdr.nat.gov.tw — Oct 12, 2026 → Oct 12, 2026
  21. eocdss.ncdr.nat.gov.tw — Oct 12, 2026 → Oct 12, 2026
  22. ieoc.ncdr.nat.gov.tw — Oct 11, 2026 → Oct 12, 2026
  23. edsmap1.ncdr.nat.gov.tw — Oct 9, 2026 → Oct 11, 2026
  24. eocdss.ncdr.nat.gov.tw — Oct 8, 2026 → Oct 9, 2026
  25. ieoc.ncdr.nat.gov.tw — Oct 8, 2026 → Oct 8, 2026
  26. eocmobile.ncdr.nat.gov.tw — Oct 7, 2026 → Oct 8, 2026
  27. edsmap1.ncdr.nat.gov.tw — Oct 7, 2026 → Oct 7, 2026
  28. eocdss.ncdr.nat.gov.tw — Oct 7, 2026 → Oct 7, 2026
  29. eocmobile.ncdr.nat.gov.tw — Oct 6, 2026 → Oct 7, 2026
  30. edsmap1.ncdr.nat.gov.tw — Oct 6, 2026 → Oct 6, 2026
  31. ieoc.ncdr.nat.gov.tw — Oct 6, 2026 → Oct 6, 2026
  32. eocdss.ncdr.nat.gov.tw — Oct 5, 2026 → Oct 6, 2026
  33. edsmap1.ncdr.nat.gov.tw — Oct 4, 2026 → Oct 5, 2026
  34. eocdss.ncdr.nat.gov.tw — Oct 4, 2026 → Oct 4, 2026
  35. ieoc.ncdr.nat.gov.tw — Oct 4, 2026 → Oct 4, 2026
  36. eocmobile.ncdr.nat.gov.tw — Oct 3, 2026 → Oct 4, 2026
  37. edsmap1.ncdr.nat.gov.tw — Oct 3, 2026 → Oct 3, 2026
  38. ieoc.ncdr.nat.gov.tw — Oct 3, 2026 → Oct 3, 2026
  39. eocmobile.ncdr.nat.gov.tw — Oct 2, 2026 → Oct 3, 2026
  40. edsmap1.ncdr.nat.gov.tw — Oct 2, 2026 → Oct 2, 2026
  41. eocdss.ncdr.nat.gov.tw — Oct 1, 2026 → Oct 2, 2026
  42. ieoc.ncdr.nat.gov.tw — Oct 1, 2026 → Oct 1, 2026
  43. edsmap1.ncdr.nat.gov.tw — Sep 30, 2026 → Oct 1, 2026
  44. eocmobile.ncdr.nat.gov.tw — Sep 30, 2026 → Sep 30, 2026
  45. edsmap1.ncdr.nat.gov.tw — Sep 29, 2026 → Sep 30, 2026
  46. eocdss.ncdr.nat.gov.tw — Sep 29, 2026 → Sep 29, 2026
  47. edsmap1.ncdr.nat.gov.tw — Sep 25, 2026 → Sep 29, 2026
  48. eocmobile.ncdr.nat.gov.tw — Aug 25, 2026 → Sep 25, 2026
  49. edsmap1.ncdr.nat.gov.tw — Aug 19, 2026 → Aug 25, 2026
  50. eocmobile.ncdr.nat.gov.tw — Aug 18, 2026 → Aug 19, 2026
  51. edsmap1.ncdr.nat.gov.tw — Aug 17, 2026 → Aug 18, 2026
  52. eocmobile.ncdr.nat.gov.tw — Jul 8, 2026 → Aug 17, 2026
  53. edsmap1.ncdr.nat.gov.tw — Jul 8, 2026 → Jul 8, 2026
  54. eocdss.ncdr.nat.gov.tw — Jun 18, 2026 → Jul 8, 2026

Network Allocation for 203.66.11.61

CIDR range
203.66.0.0/18
IP range (int)
3,410,100,224 — 3,410,116,607
Prefix length
/18
Organization
Data Communication Business Group
ASN
AS3462
ASN name
Data Communication Business Group
Location
Tainan, Tainan, Taiwan
Coordinates
24.000000, 121.000000
Accuracy radius
200 km
Regional Internet Registry
APNIC
Allocated
1994-12-14
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-10-22 08:48:53

BGP Routing

Live BGP anomalies →

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

Announced prefix
203.66.11.0/24
Origin AS
AS3462
Announcement samples
1
Last seen
2026-06-15 07:16:15

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 — TW

See the full history for 203.66.0.0/15.

Frequently Asked Questions

Who owns 203.66.11.61?

203.66.11.61 is allocated to Data Communication Business Group (AS3462), registered in Tainan, Taiwan.

Where is 203.66.11.61 located?

The geolocation for 203.66.11.61 maps to Tainan, Taiwan 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 203.66.11.61 on?

203.66.11.61 belongs to the 203.66.0.0/18 network block announced by AS3462. This range contains 16,384 addresses.

Does 203.66.11.61 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.

203.66.11.53 203.66.11.54 203.66.11.55 203.66.11.56 203.66.11.57 203.66.11.58 203.66.11.59 203.66.11.60 203.66.11.62 203.66.11.63 203.66.11.64 203.66.11.65 203.66.11.66 203.66.11.67 203.66.11.68 203.66.11.69 See all in 203.66.0.0/15 →

Related

/24 neighborhood /16 block /8 block All AS3462 ranges All Data Communication Business Group ranges All Taiwan IPs All IPs in Tainan All IPs in Tainan
Last updated: 2026-10-23 06:53:53 UTC
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