AS53713 National Cement Company

United States NATIONAL-CEMENT ARIN 3 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
768
IPv6 /48 networks
0
RPKI
0 valid3 no ROA
Peers and downstreams
0

Holder

AS name
NATIONAL-CEMENT
Description
National Cement Company / 15821 Ventura Bl #475 / Encino, CA / US
Organisation
National Cement Company
Abuse contact
Not published
Assigned
2011-05-01
Registered
2011-05-02
Record last changed
2012-03-02 13:03 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 45/100
fail Prefixes covered by valid ROAs
0 of 3 announced prefixes are RPKI valid, 3 have no ROA.
0/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.
10/10
fail Announces IPv6
No IPv6 prefixes are announced.
0/15
pass More than one upstream
4 upstreams seen in BGP.
10/10
pass Working abuse contact
domreg@natcem.com is published.
15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.
0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.
10/10
fail Registry record maintained
Last changed 2012-03-02.
0/5

Routing changes

Last 30 days
2026-10-04 09:40 UTCNeighbour gone AS5726 upstream
2026-10-04 09:40 UTCNew neighbour AS6939 upstream

WHOIS

aut-num:        AS53713
as-name:        NATIONAL-CEMENT
handle:         AS53713
remarks:        National Cement Company
registrant:     NATION-11 (National Cement Company)
administrative,technical,abuse:NCID-ARIN (National Cement IT Department) <domreg@natcem.com>
technical:      STOIL-ARIN (Valentin Stoilov) <domreg@natcem.com>
technical:      RW239-ARIN (Ralph E Whitmore III) <ralph.whitmore@gmail.com>
abuse,technical:NCID-ARIN (National Cement IT Department) <domreg@natcem.com>
technical:      STOIL-ARIN (Valentin Stoilov) <domreg@natcem.com>
technical:      RW239-ARIN (Ralph E Whitmore III) <ralph.whitmore@gmail.com>
last changed:   2012-03-02T08:03:18-05:00
registration:   2011-05-02T14:43:27-04:00
source:         ARIN (RDAP)