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IPv4 Address Reserved

100.103.254.96

Within
100.64.0.0/10
⚠
Reserved / special-use address

Carrier-grade NAT (100.64.0.0/10, RFC 6598) — shared address space used by ISPs for large-scale NAT between their network and subscribers. These addresses are not routable on the public Internet and are excluded from search-engine indexing.

CIDR
/10 · 4.19M IPs
ASN
—
No ASN data
Reverse DNS
—
No PTR record
Blocklisted
Checking…
Scanning blocklists

Network Allocation for 100.103.254.96

CIDR range
100.64.0.0/10
IP range (int)
1,681,915,904 — 1,686,110,207
Prefix length
/10
Regional Internet Registry
IANA
Data source(s)
iana_special
Last updated
2026-04-16 09:08:02

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

Announced prefix
Origin AS
Announcement samples
2
Last seen
2026-10-08 20:45:02

Frequently Asked Questions

Why is 100.103.254.96 reserved?

100.103.254.96 is part of a reserved address block: Carrier-grade NAT (100.64.0.0/10, RFC 6598) — shared address space used by ISPs for large-scale NAT between their network and subscribers. Reserved addresses are not routable on the public internet and are typically used for private networks, loopback testing, or documentation purposes.

Can I use 100.103.254.96 on my network?

If 100.103.254.96 falls within a private-use range (like 10.0.0.0/8, 172.16.0.0/12, or 192.168.0.0/16), you can use it freely on your local network. It will not be reachable from the public internet.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-10-27 04:28:13 UTC
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