ResearchRouting table, RPKI, IRR & looking glass

AS18233 Philippine Telegraph and Telephone Corporation

AS18233 (PTTNET) is registered to Philippine Telegraph and Telephone Corporation in PH, through APNIC. It originates 43 prefixes in the global routing table.

42
IPv4 prefixes
1
IPv6 prefixes
10,240
IPv4 addresses
100%
RPKI valid

Who holds AS18233

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS18233
Handle
PTTNET
Organization
Philippine Telegraph and Telephone Corporation
Country
PH
Registry
APNIC
ASPA
None published
WHOIS recordAPNIC
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS17653 - AS18431'

as-block:       AS17653 - AS18431
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2019-01-08T23:19:07Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS18233'

% Abuse contact for 'AS18233' is 'abuse@ptt.com.ph'

aut-num:        AS18233
as-name:        PTTNET
descr:          Philippine Telegraph and Telephone Corporation,
descr:          Spirit of Communications Center Building
descr:          106 Carlos Palanca St. Legazpi Village
descr:          Makati City, Philippines
descr:          SuperCom - GreenDot
descr:          Telecommunications / Internet Service Provider
country:        PH
export:         to AS132454 announce AS18233 AS45499 AS38609
default:        to AS10026 action pref=5; networks ANY
remarks:        www.ptt.net.ph
remarks:        www.supercom.com.ph
remarks:        www.greendot.com.ph
org:            ORG-PTT1-AP
admin-c:        PTTN1-AP
tech-c:         PTTN1-AP
abuse-c:        AP987-AP
notify:         noc@ptt.com.ph
mnt-lower:      MAINT-PH-PTT
mnt-routes:     MAINT-PH-PTT
mnt-by:         APNIC-HM
mnt-irt:        IRT-PTT-PH
last-modified:  2023-03-28T03:04:30Z
source:         APNIC

irt:            IRT-PTT-PH
address:        Spirit of Communications Center Building
address:
e-mail:         noc@ptt.com.ph
abuse-mailbox:  abuse@ptt.com.ph
admin-c:        PTTN1-AP
tech-c:         PTTN1-AP
auth:           # Filtered
remarks:        abuse@ptt.com.ph is valid
remarks:        abuse@ptt.com.ph was validated on 2026-08-18
remarks:        noc@ptt.com.ph was validated on 2026-10-08
mnt-by:         MAINT-PH-PTT
last-modified:  2026-10-08T19:49:53Z
source:         APNIC

organisation:   ORG-PTT1-AP
org-name:       Philippine Telelgraph & Telephone
org-type:       LIR
country:        PH
address:        Spirit of Communications Center Building
address:        # 106 Carlos Palanca Jr. St
address:        Legaspi Village
phone:          +63-2-8726-8888
e-mail:         noc@ptt.com.ph
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:52Z
source:         APNIC

role:           ABUSE PTTPH
country:        ZZ
address:        Spirit of Communications Center Building
address:
phone:          +000000000
e-mail:         noc@ptt.com.ph
admin-c:        PTTN1-AP
tech-c:         PTTN1-AP
nic-hdl:        AP987-AP
remarks:        Generated from irt object IRT-PTT-PH
remarks:        abuse@ptt.com.ph was validated on 2026-08-18
remarks:        noc@ptt.com.ph was validated on 2026-10-08
abuse-mailbox:  abuse@ptt.com.ph
mnt-by:         APNIC-ABUSE
last-modified:  2026-10-08T19:50:13Z
source:         APNIC

role:           Philippine Telegraph and Telephone Corporation IP Network
address:        Spirit of Communications Center Building
address:        #106 Carlos Palanca St Legaspi Village, Makati City
country:        PH
phone:          +63-2-8159961
fax-no:         +63-2-8159961
remarks:        ###############################################
remarks:        # Send ABUSE reports to abuse@ptt.com.ph #
remarks:        # Send SPAM reports to abuse@ptt.com.ph   #
remarks:        # Please include detailed information and     #
remarks:        # times in UTC                                #
remarks:        ###############################################
remarks:        www.ptt.com.ph

What AS18233 announces

Prefixes originated by AS18233 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
42
IPv6 prefixes
1
IPv4 addresses
10,240 (40 /24s)
RPKI valid
43 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS18233
6
With an IRR route object
43 100%

Who AS18233 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 3 upstreams.

Who buys transit from AS18233

8 downstreams, its customers; those marked ASPA name AS18233 as a provider in theirs.

Provider authorization

AS18233 publishes no ASPA of its own. 2 ASes name it as a provider in theirs. Check a path.

The 2 ASes that name AS18233 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.