{"id":2616,"date":"2025-07-15T15:01:43","date_gmt":"2025-07-15T15:01:43","guid":{"rendered":"https:\/\/uptimerobot.com\/blog\/?p=2616"},"modified":"2026-01-19T15:05:51","modified_gmt":"2026-01-19T15:05:51","slug":"new-uptimerobot-ip-addresses","status":"publish","type":"post","link":"https:\/\/uptimerobot.com\/blog\/new-uptimerobot-ip-addresses\/","title":{"rendered":"Important: New UptimeRobot IP Addresses. Update Your Firewall Allowlist"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">At UptimeRobot, providing dependable services is our top priority, and we continually seek ways to improve.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In line with that goal, we\u2019re adding new IP addresses to our monitoring infrastructure to improve both stability and reliability.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To make sure you get the most out of these additions, it\u2019s highly important to update your firewall if you use one, and to <\/span><b>whitelist these new IP addresses<\/b><span style=\"font-weight: 400;\">. Otherwise, our monitors might get blocked, leading to failed checks and downtime alerts.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This applies to <\/span><b>all users<\/b><span style=\"font-weight: 400;\"> on our Free, Solo, and Enterprise plans. Even if you\u2019re not using multilocation monitoring today, these new IPs are part of our infrastructure upgrades, and failing to whitelist them could result in monitors being marked as down.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The good news? We\u2019ve also released a dedicated API that always returns the latest list of UptimeRobot IPs. Using it means you won\u2019t have to update them manually in the future.<\/span><\/p>\n    <div class=\"wp-block-knowledge-hub-theme-intext-sidebar ur-intext-sidebar\">\n        <div class=\"widget-img\">\n            <img decoding=\"async\" src=\"https:\/\/uptimerobot.com\/blog\/wp-content\/themes\/twenty-twenty-child\/assets\/images\/img-intext-sidebar.png\" alt=\"UptimeRobot\">\n        <\/div>\n        <div class=\"widget-left\">\n            <div class=\"widget-title\">\n                <span>Downtime happens.<\/span>\n                <span class=\"text-primary\">Get notified!<\/span>\n            <\/div>\n            <div class=\"widget-text\">Join the world&#039;s leading uptime monitoring service with 3.2M+ happy users.<\/div>\n        <\/div>\n        <div class=\"widget-button\">\n            <a href=\"https:\/\/dashboard.uptimerobot.com\/sign-up?utm_source=uptimerobot&#038;utm_medium=kh&#038;utm_campaign=intext-sidebar\" class=\"button\">\n                <span>Register for FREE<\/span>\n            <\/a>\n        <\/div>\n    <\/div>\n    \n<h2><span style=\"font-weight: 400;\">Actions required<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u2705 <\/span><b>Update your firewall rules<\/b><span style=\"font-weight: 400;\"> to include the new IP addresses.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u2705 <\/span><b>Use the new IP API<\/b><span style=\"font-weight: 400;\"> to keep your allowlist automatically up to date.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\ud83d\udc49<\/span><a href=\"https:\/\/uptimerobot.com\/help\/locations\/\" target=\"_blank\" rel=\"noopener\"> <span style=\"font-weight: 400;\">View the full IP list and access the new API here<\/span><span style=\"font-weight: 400;\"><\/p>\n<p><\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">We appreciate your understanding as we make these changes to keep your monitoring stable and reliable. If you run into any issues, please don\u2019t hesitate to <\/span><a href=\"https:\/\/uptimerobot.com\/contact\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">reach out to our support team<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>At UptimeRobot, providing dependable services is our top priority, and we continually seek ways to improve. In line with that goal, we\u2019re adding new IP addresses to our monitoring infrastructure to improve both stability and reliability. To make sure you get the most out of these additions, it\u2019s highly important to update your firewall if [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_is_featured_guide":false,"_post_views":49,"_reading_completions":663,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-2616","post","type-post","status-publish","format-standard","hentry","category-announcements"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>New UptimeRobot IP Addresses. Update Your Firewall Allowlist | UptimeRobot Blog<\/title>\n<meta name=\"description\" content=\"UptimeRobot is adding new IPs to boost reliability. Update your firewall and use our IP API to avoid failed checks and false downtime alerts.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uptimerobot.com\/blog\/new-uptimerobot-ip-addresses\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New UptimeRobot IP Addresses. Update Your Firewall Allowlist | UptimeRobot Blog\" \/>\n<meta property=\"og:description\" content=\"UptimeRobot is adding new IPs to boost reliability. Update your firewall and use our IP API to avoid failed checks and false downtime alerts.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uptimerobot.com\/blog\/new-uptimerobot-ip-addresses\/\" \/>\n<meta property=\"og:site_name\" content=\"UptimeRobot Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-15T15:01:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-19T15:05:51+00:00\" \/>\n<meta name=\"author\" content=\"Tomas Koprusak\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tomas Koprusak\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/uptimerobot.com\/blog\/new-uptimerobot-ip-addresses\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/uptimerobot.com\/blog\/new-uptimerobot-ip-addresses\/\"},\"author\":{\"name\":\"Tomas Koprusak\",\"@id\":\"https:\/\/uptimerobot.com\/blog\/#\/schema\/person\/4e351b3eb3c7a5987a73b413d8354468\"},\"headline\":\"Important: New UptimeRobot IP Addresses. 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