WebMD Application

The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by WebMD.

What is WebMD?

WebMD - Reference
WebMD offers articles, videos, interactive tools, and expert opinions on various health topics, medical conditions, treatments, medications, and general wellness advice.

WebMD Domains

Primary Domains

Platform Domains

Platform	Sample Domain	Details
Adobe Ads	{hidden}.omtrdc.net	and 1 more

Network Ranges

64.113.28.0/22
98.158.201.0/24
192.84.88.0/24
207.231.200.0/21
208.93.168.0/21

WebMD uses dedicated network blocks. This application dataset includes only those network ranges exclusively assigned to this service.

WebMD Network

Some organizations deploy all or parts of an application solution through their own infrastructure instead of third party hosting providers like AWS or Google Cloud Platform. The following is a sample of active IP addresses on the WebMD Network.

Sample IP	ASN	ASN Description	Route	Location
207.231.204.56	AS46617	WebMD	207.231.200.0/21	United States
207.231.204.173	AS46617	WebMD	207.231.200.0/21	United States
207.231.204.201	AS46617	WebMD	207.231.200.0/21	United States
207.231.205.19	AS46617	WebMD	207.231.200.0/21	United States
207.231.205.21	AS46617	WebMD	207.231.200.0/21	United States
... and 2 more

SaaS - Software-as-a-Service

SaaS	Sample IP	# of IPs
Adobe Ads	66.235.152.111	68
Salesforce	13.111.216.173	1

WebMD use the third-party SaaS platforms shown here. These services typically manage authentication, advertising, cybersecurity, e-mail services and more.

Hosting

SaaS	Sample IP	# of IPs
Amazon AWS	34.200.133.36	9
Google Cloud Platform	34.110.186.147	4
Microsoft Azure	40.76.162.137	1

To scale its compute capacity and optimize resources, WebMD leverages a multi-cloud architecture.

Content Delivery Networks - CDNs

Summary

CDN	Sample IP	# of IPs
Amazon CloudFront	143.204.55.4	3312
Cloudflare	172.64.148.166	22

To get information to end users more quickly, many apps - including WebMD - use Content Delivery Networks (CDNs).

Anycast

CDN	Sample IP	# of IPs
Cloudflare	172.64.148.166	22
Amazon CloudFront	3.161.44.13	117

Network Map

PoP Locations

CDN	Location	PoP	Network	# of IPs
Amazon CloudFront	Santiago de Queretaro	Mexico	Amazon CloudFront	27
Amazon CloudFront	Johannesburg	South Africa	Amazon CloudFront	127
Amazon CloudFront	Muscat	Oman	Amazon CloudFront	31
Amazon CloudFront	Montreal	Canada	Amazon CloudFront	104
Amazon CloudFront	Manchester	United Kingdom	Amazon CloudFront	48
Amazon CloudFront	Buenos Aires	Argentina	Amazon CloudFront	53
Amazon CloudFront	Santiago	Chile	Amazon CloudFront	39
Amazon CloudFront	Seattle	United States	Amazon CloudFront	3
Amazon CloudFront	Osaka	Japan	Amazon CloudFront	24
Amazon CloudFront	Cape Town	South Africa	Amazon CloudFront	2
Amazon CloudFront	Helsinki	Finland	Amazon CloudFront	115
Amazon CloudFront	Toronto	Canada	Amazon CloudFront	32
Amazon CloudFront	Paris	France	Amazon CloudFront	107
Amazon CloudFront	Marseille	France	Amazon CloudFront	85
Amazon CloudFront	Nairobi	Kenya	Amazon CloudFront	94
Amazon CloudFront	Ho Chi Minh City	Vietnam	Amazon CloudFront	55
Amazon CloudFront	Singapore	Singapore	Amazon CloudFront	24
Amazon CloudFront	Tokyo	Japan	Amazon CloudFront	38
Amazon CloudFront	Ashburn	United States	Amazon CloudFront	111
Amazon CloudFront	Chicago	United States	Amazon CloudFront	79
Amazon CloudFront	Berlin	Germany	Amazon CloudFront	16
Amazon CloudFront	Tel Aviv	Israel	Amazon CloudFront	24
Amazon CloudFront	Manila	Philippines	Amazon CloudFront	12
Amazon CloudFront	Warsaw	Poland	Amazon CloudFront	77
Amazon CloudFront	Vancouver	Canada	Amazon CloudFront	24
Amazon CloudFront	Hong Kong	Hong Kong	Amazon CloudFront	131
Amazon CloudFront	Budapest	Hungary	Amazon CloudFront	50
Amazon CloudFront	Rio de Janeiro	Brazil	Amazon CloudFront	24
Amazon CloudFront	New York	United States	Amazon CloudFront	37
Amazon CloudFront	Madrid	Spain	Amazon CloudFront	55
Amazon CloudFront	Melbourne	Australia	Amazon CloudFront	32
Amazon CloudFront	Athens	Greece	Amazon CloudFront	24
Amazon CloudFront	Mumbai	India	Amazon CloudFront	32
Amazon CloudFront	Seoul	South Korea	Amazon CloudFront	40
Amazon CloudFront	Dallas	United States	Amazon CloudFront	4
Amazon CloudFront	Brussels	Belgium	Amazon CloudFront	51
Amazon CloudFront	Dusseldorf	Germany	Amazon CloudFront	4
Amazon CloudFront	Frankfurt	Germany	Amazon CloudFront	158
Amazon CloudFront	Prague	Czechia	Amazon CloudFront	8
Amazon CloudFront	Sao Paulo	Brazil	Amazon CloudFront	38
Amazon CloudFront	San Francisco	United States	Amazon CloudFront	3
Amazon CloudFront	Los Angeles	United States	Amazon CloudFront	17
Amazon CloudFront	Kuala Lumpur	Malaysia	Amazon CloudFront	31
Amazon CloudFront	Brisbane	Australia	Amazon CloudFront	4
Amazon CloudFront	Bogota	Colombia	Amazon CloudFront	40
Amazon CloudFront	Boston	United States	Amazon CloudFront	24
Amazon CloudFront	Sofia	Bulgaria	Amazon CloudFront	96
Amazon CloudFront	Bangkok	Thailand	Amazon CloudFront	54
Amazon CloudFront	Barcelona	Spain	Amazon CloudFront	40
Amazon CloudFront	Munich	Germany	Amazon CloudFront	20
Amazon CloudFront	Amsterdam	Netherlands	Amazon CloudFront	39
Amazon CloudFront	Oslo	Norway	Amazon CloudFront	4
Amazon CloudFront	London	United Kingdom	Amazon CloudFront	8
Amazon CloudFront	Kansas City	United States	Amazon CloudFront	24
Amazon CloudFront	Milan	Italy	Amazon CloudFront	24
Amazon CloudFront	Atlanta	United States	Amazon CloudFront	69
Amazon CloudFront	Vienna	Austria	Amazon CloudFront	108
Amazon CloudFront	Miami	United States	Amazon CloudFront	71
Amazon CloudFront	Lisbon	Portugal	Amazon CloudFront	46
Amazon CloudFront	Dubai	United Arab Emirates	Amazon CloudFront	48
Amazon CloudFront	Fortaleza	Brazil	Amazon CloudFront	53
Amazon CloudFront	Lagos	Nigeria	Amazon CloudFront	40
Amazon CloudFront	Columbus	United States	Amazon CloudFront	4
Amazon CloudFront	Istanbul	Turkey	Amazon CloudFront	4
Amazon CloudFront	Stockholm	Sweden	Amazon CloudFront	48
Amazon CloudFront	Chennai	India	Amazon CloudFront	83
Amazon CloudFront	Cairo	Egypt	Amazon CloudFront	24
Amazon CloudFront	Zurich	Switzerland	Amazon CloudFront	44
Amazon CloudFront	Zagreb	Croatia	Amazon CloudFront	22
Amazon CloudFront	Taipei	Taiwan	Amazon CloudFront	44
Amazon CloudFront	New Delhi	India	Amazon CloudFront	8
Amazon CloudFront	Lima	Peru	Amazon CloudFront	8

Other Locations

CDN	Location	PoP	Network	# of IPs
Amazon CloudFront	Core Network	United Arab Emirates	Amazon CloudFront	4