128.138.129.16
COLORADO-AS, US
Seen 49 times between May 18th, 2018 and July 20th, 2023.
General Info Open in Search
| Geo | Boulder, Colorado, United States (US) — |
| AS | AS104 - COLORADO-AS, US
Note: An IP might be announced by multiple ASs. This is not shown. |
| Route | 128.138.0.0/16 (Route of ASN) |
| PTR | phet-origin.colorado.edu(PTR record of primary IP) |
Recent Screenshots
Direct hits
Summary of pages hosted on this IP
Domains phet.colorado.edu | 32x
Recent scans (32 total) Show all
| URL | Age | |||||
|---|---|---|---|---|---|---|
| phet.colorado.edu | a year | 56 | 9 | 2 | ||
| phet.colorado.edu/sims/html/gases-intro/latest/gases-intro_en.html | a year | 10 | 5 | 2 | ||
| phet.colorado.edu/sims/html/forces-and-motion-basics/latest/forces-and-motion... | 2 years | 10 | 5 | 2 | ||
| phet.colorado.edu | 2 years | 61 | 8 | 3 | ||
| phet.colorado.edu/sims/html/pendulum-lab/latest/pendulum-lab_en.html | 2 years | 7 | 3 | 2 |
Incoming hits
Summary of pages that talked to this IP
ASNs AS13335 | 4x AS16509 | 3x AS15169 | 2x AS26496 | 2x AS14618 | 1x AS20940 | 1x AS33182 | 1x AS44476 | 1x AS47583 | 1x AS5588 | 1x
IPs 18.217.190.15 | 2x 148.72.120.119 | 2x 2.16.106.112 | 1x 34.231.39.98 | 1x 52.222.214.74 | 1x 172.67.133.206 | 1x 172.217.18.115 | 1x 185.176.43.88 | 1x 193.85.184.128 | 1x 199.168.189.218 | 1x
Domains energyeducation.ca | 2x live.beaugesszerestmile.tk | 2x long.thumbtavisur.tk | 2x www.acceleratelearning.com | 2x bolivianshop.com | 1x comunicacion-analogica.online | 1x contentstore.ple.platoweb.com | 1x d0wnloadcrack.atwebpages.com | 1x m.professorjoabenunes.com.br | 1x matmts.tukiran.my.id | 1x
Countries US | 13x BG | 1x CZ | 1x EU | 1x IE | 1x
Recent scans (17 total) Show all
| URL | Age | |||||
|---|---|---|---|---|---|---|
| comunicacion-analogica.online | a year | 1562 | 15 | 2 | ||
| long.thumbtavisur.tk | a year | 1190 | 17 | 2 | ||
| long.thumbtavisur.tk | a year | 280 | 9 | 2 | ||
| live.beaugesszerestmile.tk | 2 years | 65 | 16 | 3 | ||
| www.acceleratelearning.com/math/common-core/ | 2 years | 230 | 32 | 4 |
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Recent screenshots
Screenshots of pages hosted on this IP
Related infrastructure
Summary of infrastructure which pages hosted on this IP frequently talked to
IPs 128.138.129.16 | 32x
Domains phet.colorado.edu | 32x
Recently observed hostnames on '128.138.129.16'
Searching for newly observed domains and hostnames is possible on our urlscan Pro platform.
phet-origin.colorado.edu
| 2023-08-03
phetsims.colorado.edu
| 2017-04-25
Attention: These domains and hostnames were discovered through Certificate Transparency (CT) Logs and have been irrevocably published as part of the public record. There is no mechanism for us or anyone else to remove this information from the Internet.
Related screenshots
Screenshots of pages that talked to this IP
WHOIS for 128.138.129.16
NetRange: 128.138.0.0 - 128.138.255.255 CIDR: 128.138.0.0/16 NetName: COLORADO NetHandle: NET-128-138-0-0-1 Parent: NET128 (NET-128-0-0-0-0) NetType: Direct Allocation OriginAS: AS104 Organization: University of Colorado (UNIVER-24) RegDate: 1986-07-14 Updated: 2021-12-14 Ref: https://rdap.arin.net/registry/ip/128.138.0.0 OrgName: University of Colorado OrgId: UNIVER-24 Address: Office of Information Technology Address: 3645 Marine Street City: Boulder StateProv: CO PostalCode: 80309-0455 Country: US RegDate: 1986-03-11 Updated: 2019-06-25 Ref: https://rdap.arin.net/registry/entity/UNIVER-24 OrgAbuseHandle: ABUSE306-ARIN OrgAbuseName: Abuse OrgAbusePhone: +1-303-735-4357 OrgAbuseEmail: abuse@colorado.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE306-ARIN OrgTechHandle: CUBOU-ARIN OrgTechName: CUBoulder OrgTechPhone: +1-303-735-4357 OrgTechEmail: arinadmin@colorado.edu OrgTechRef: https://rdap.arin.net/registry/entity/CUBOU-ARIN RTechHandle: CUBOU-ARIN RTechName: CUBoulder RTechPhone: +1-303-735-4357 RTechEmail: arinadmin@colorado.edu RTechRef: https://rdap.arin.net/registry/entity/CUBOU-ARIN RAbuseHandle: ABUSE306-ARIN RAbuseName: Abuse RAbusePhone: +1-303-735-4357 RAbuseEmail: abuse@colorado.edu RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE306-ARIN