Country
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ASN LANDING PAGE
AS45187
RACKSPACE-AP Rackspace IT Hosting AS IT Hosting Provider Hong Kong
Last updated · Apr 4, 2026
Total prefixes
15
IPv4 prefixes
13
IPv6 prefixes
2
ASN summary
How to read the scale of AS45187
RACKSPACE-AP Rackspace IT Hosting AS IT Hosting Provider Hong Kong currently shows 15 prefixes and 24 upstream, downstream, or peer relationships. Larger prefix inventories often indicate broader network footprint, but they should still be read together with country and peering context.
When is an ASN page most useful?
ASN landing pages are more useful than a single IP page when you want cloud provider attribution, routing research, infrastructure comparison, or network topology analysis at the organization level.
How should you read the country, organization, and role of AS45187?
RACKSPACE-AP Rackspace IT Hosting AS IT Hosting Provider Hong Kong is currently associated with an unknown region. Country data is only a starting point; the more important signals are the organization name, website, prefix volume, and peering relationships that reveal whether the network behaves like a cloud platform, ISP, CDN, or enterprise backbone.
What should you inspect next after the AS45187 page?
This page is currently showing live ASN data that can be used for peer, prefix, and network scale analysis. The most useful next step is usually to return to a related IP landing page, then compare that concrete address with this ASN profile and with broader topic pages for routing, cloud attribution, or WHOIS ownership analysis.
Search intents this ASN page helps cover
AS45187 ASN lookupAS45187 BGPAS45187 peersAS45187 prefixesAS45187 upstreamsRACKSPACE-AP Rackspace IT Hosting AS IT Hosting Provider Hong Kong ASNwebsite hosting ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS3300
AS3300
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AS4637
AS4637
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AS3257
AS3257
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AS174
AS174
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AS7473
AS7473
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AS6453
AS6453
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AS3491
AS3491
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AS6939
AS6939
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AS4635
AS4635
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AS8220
AS8220
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AS9002
AS9002
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AS20485
AS20485
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AS38008
AS38008
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AS286
AS286
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AS8359
AS8359
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AS18106
AS18106
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AS24482
AS24482
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AS35280
AS35280
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AS36236
AS36236
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AS49544
AS49544
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AS134823
AS134823
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AS137409
AS137409
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AS142271
AS142271
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 103.4.112.0/23 | AS45187 | — |
| 119.9.64.0/19 | AS45187 | — |
| 119.9.96.0/19 | AS45187 | — |
| 120.136.32.0/20 | AS45187 | — |
| 122.200.132.0/22 | AS45187 | — |
| 134.8.1.0/24 | AS45187 | — |
| 180.150.128.0/19 | AS45187 | — |
| 202.168.208.0/21 | AS45187 | — |
| 203.60.0.0/17 | AS45187 | — |
| 2401:1800::/32 | AS45187 | — |
| 2407:fa00::/32 | AS45187 | — |
| 66.70.1.0/24 | AS45187 | — |
| 66.70.107.0/24 | AS45187 | — |
| 66.70.92.0/22 | AS45187 | — |
| 66.70.94.0/23 | AS45187 | — |
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Related lookups and next steps
WHOIS vs ASN Ownership Guide
Continue from this ASN into the differences between WHOIS ownership and ASN ownership.
Routing Troubleshooting and Network Analysis
Continue from this ASN into route troubleshooting and network analysis.
Cloud Network and ASN Comparison
Useful when you want to compare this ASN against larger cloud and edge networks.
WHOIS and IP Ownership Guide
Continue from the ASN page into WHOIS and ownership verification.
Frequently asked questions about this ASN page
What does AS45187 represent?
AS45187 is an autonomous system number used to identify an independently operated network. The current page associates it with RACKSPACE-AP Rackspace IT Hosting AS IT Hosting Provider Hong Kong in an unknown region, which helps determine whether it behaves like a cloud provider, ISP, CDN, or enterprise backbone.
What are peers, upstreams, and prefixes useful for on the AS45187 page?
They help explain the scale, interconnection depth, and route structure of AS45187. Richer peering and upstream data often indicate broader network reach, but they should still be interpreted together with prefixes and related IP landing pages.
What should you do after reviewing AS45187?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS45187, then continue into cloud, WHOIS, or routing topic pages to understand the network in a broader context.
Related topics
WHOIS vs ASN Ownership Guide
Understand why WHOIS ownership and ASN ownership can differ, and how to combine both when deciding who really owns or operates an IP.
WHOIS and IP Ownership Guide
Use WHOIS, ASN, prefixes, and organization data to determine who ultimately owns an IP, range, or resolved domain target.
BGP and ASN Basics Guide
Learn what ASN, BGP routes, prefixes, upstreams, downstreams, and peers mean, then explore real ASN pages.
Cloud Network and ASN Comparison
Compare large cloud and edge networks such as Google, Cloudflare, Microsoft, and Amazon through their ASN landing pages.