206208 looking glass

AS18577 ManTech International Corporation 🇺🇸 US

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS18577
Name
ManTech International Corporation
Organisation
ManTech International Corporation
Country
🇺🇸 US
RIR
ARIN
Allocated
2000-09-14

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 2 no ROA (100.0%)

Whois

Fetched from whois.arin.net

ASNumber:       18577
ASName:         MIC-64
ASHandle:       AS18577
RegDate:        2000-09-14
Updated:        2012-03-20
Ref:            https://rdap.arin.net/registry/autnum/18577

OrgName:        ManTech International Corporation
OrgId:          MIST-1
Address:        2251 Corporate Park Drive
City:           Herndon
StateProv:      VA
PostalCode:     20171
Country:        US
RegDate:        2012-01-12
Updated:        2026-09-14
Comment:        http://www.ManTech.com
Ref:            https://rdap.arin.net/registry/entity/MIST-1

OrgNOCHandle: TTW4-ARIN
OrgNOCName:   Ware, Thomas Thomas
OrgNOCPhone:  +1-703-218-6367
OrgNOCEmail:  thomas.ware@mantech.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TTW4-ARIN

OrgTechHandle: SSB23-ARIN
OrgTechName:   Burke, Sean Sean
OrgTechPhone:  +1-703-218-8263
OrgTechEmail:  sean.burke@mantech.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SSB23-ARIN

OrgAbuseHandle: TTW4-ARIN
OrgAbuseName:   Ware, Thomas Thomas
OrgAbusePhone:  +1-703-218-6367
OrgAbuseEmail:  thomas.ware@mantech.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TTW4-ARIN

OrgNOCHandle: SLOAN74-ARIN
OrgNOCName:   Sloan, Nathan
OrgNOCPhone:  +1-202-621-1117
OrgNOCEmail:  nathan.sloan@mantech.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SLOAN74-ARIN

OrgAbuseHandle: SLOAN74-ARIN
OrgAbuseName:   Sloan, Nathan
OrgAbusePhone:  +1-202-621-1117
OrgAbuseEmail:  nathan.sloan@mantech.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SLOAN74-ARIN

OrgTechHandle: TWE58-ARIN
OrgTechName:   Welsh, Todd
OrgTechPhone:  +1-703-218-6000
OrgTechEmail:  Todd.Welsh@ManTech.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TWE58-ARIN

OrgNOCHandle: TWE58-ARIN
OrgNOCName:   Welsh, Todd
OrgNOCPhone:  +1-703-218-6000
OrgNOCEmail:  Todd.Welsh@ManTech.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TWE58-ARIN

OrgTechHandle: SLOAN74-ARIN
OrgTechName:   Sloan, Nathan
OrgTechPhone:  +1-202-621-1117
OrgTechEmail:  nathan.sloan@mantech.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SLOAN74-ARIN

OrgAbuseHandle: TWE58-ARIN
OrgAbuseName:   Welsh, Todd
OrgAbusePhone:  +1-703-218-6000
OrgAbuseEmail:  Todd.Welsh@ManTech.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TWE58-ARIN

OrgTechHandle: TTW4-ARIN
OrgTechName:   Ware, Thomas Thomas
OrgTechPhone:  +1-703-218-6367
OrgTechEmail:  thomas.ware@mantech.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TTW4-ARIN