203.143.20.221
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 (27y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mail.openarc.lk
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 300 s
- Reverse DNS last checked
- 2026-10-28 20:54 UTC
- Forward DNS last checked
- 2026-10-28 20:14 UTC
Forward DNS records for mail.openarc.lk
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 142.250.107.121 | — | 300s |
| A | 142.250.134.121 | — | 158075s |
| A | 142.250.143.121 | — | 165956s |
| A | 142.250.194.243 | — | 170648s |
| A | 142.251.10.121 | — | 167770s |
| A | 142.251.110.121 | — | 172318s |
| A | 142.251.20.121 | — | 170002s |
| A | 142.251.210.243 | — | 300s |
| A | 172.217.208.121 | — | 171695s |
| A | 173.194.43.121 | — | 300s |
| A | 192.178.183.121 | — | 172799s |
| A | 74.125.130.121 | — | 172800s |
| AAAA | 2404:6800:4000:1006::79 | — | 158075s |
| AAAA | 2404:6800:4000:100c::79 | — | 165956s |
| AAAA | 2404:6800:4003:c01::79 | — | 172800s |
| AAAA | 2404:6800:4003:c0f::79 | — | 167770s |
| AAAA | 2404:6800:4009:816::2013 | — | 170648s |
| AAAA | 2a00:1450:4001:c17::79 | — | 170003s |
| AAAA | 2a00:1450:4001:c1f::79 | — | 172318s |
| AAAA | 2a00:1450:4001:c25::79 | — | 172799s |
| AAAA | 2a00:1450:400a:1001::79 | — | 171695s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-25 UTC0
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
Network Allocation for 203.143.20.221
- CIDR range
- 203.143.20.0/23
- IP range (int)
- 3,415,151,616 — 3,415,152,127
- Prefix length
- /23
- Organization
- Lanka Communication Services
- ASN
- AS5087
- ASN name
- Lanka Communication Services
- Location
- Colombo, Western Province, Sri Lanka
- Coordinates
- 6.939400, 79.847600
- Accuracy radius
- 5 km
- Postal code
- 00100
- Regional Internet Registry
- APNIC
- Allocated
- 1999-10-19
- Data source(s)
- ipinfo_lite, maxmind_city, maxmind_asn, maxmind_country
- Last updated
- 2026-10-28 02:32:29
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 203.143.20.221?
203.143.20.221 is allocated to Lanka Communication Services (AS5087), registered in Colombo, Sri Lanka.
Where is 203.143.20.221 located?
The geolocation for 203.143.20.221 maps to Colombo, Sri Lanka 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 203.143.20.221 on?
203.143.20.221 belongs to the 203.143.20.0/23 network block announced by AS5087. This range contains 512 addresses.
Does 203.143.20.221 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.
