223.5.5.5
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
- Active-threat / abuse risk −12
- Forward-confirmed reverse DNS (FCrDNS) +10
- Long-established allocation (16y) +6
- Not on any threat blocklist +5
- Enterprise allocation +4
- Trust score 78 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- public1.alidns.com
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 128 s
- Reverse DNS last checked
- 2026-10-27 02:00 UTC
- Forward DNS last checked
- 2026-10-27 02:00 UTC
Forward DNS records for public1.alidns.com
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 223.5.5.5 | — | 172800s |
| A | 223.6.6.6 | — | 172800s |
| AAAA | 2400:3200::1 | — | 172800s |
| AAAA | 2400:3200:baba::1 | — | 172800s |
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 UTC422
Registrable domains (like example.com) with at least one name resolving to this IP — updated daily from issued.live's DNS data.
Domain data provided by issued.live — for full details visit https://issued.live/pricing
Network Allocation for 223.5.5.5
- CIDR range
- 223.5.5.0/24
- IP range (int)
- 3,741,648,128 — 3,741,648,383
- Prefix length
- /24
- Organization
- Alibaba US Technology Co., Ltd.
- ASN
- AS45102
- ASN name
- Alibaba (US) Technology Co., Ltd.
- Location
- Hangzhou, Zhejiang, China
- Coordinates
- 30.294300, 120.166300
- Accuracy radius
- 20 km
- Regional Internet Registry
- APNIC
- Allocated
- 2010-07-07
- Data source(s)
- maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
- Last updated
- 2026-06-09 06:05:43
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 223.5.5.5?
223.5.5.5 is allocated to Alibaba US Technology Co., Ltd. (AS45102), registered in Hangzhou, China.
Where is 223.5.5.5 located?
The geolocation for 223.5.5.5 maps to Hangzhou, China 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 223.5.5.5 on?
223.5.5.5 belongs to the 223.5.5.0/24 network block announced by AS45102. This range contains 256 addresses.
Does 223.5.5.5 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.
