Phishing Activity: Hosting Networks (ASNs) QoQ Comparison: November 1, 2025 - January 31, 2026
For purposes of observing change over time, it is useful to compare measurements and metrics over successive reporting periods. Such comparisons illustrate whether phishing activities are increasing or decreasing, and where such changes are occurring. Such comparisons can identify hosting networks where phishing web sites or pages are concentrated and whether or not such concentration is persistent or atypical. Investigators or policy makers may focus on these hosting networks for deeper analyses.
In the table below, we use the measurement number of phishing attacks to compare the ranking of Hosting Networks (ASNs) for the August 1, 2025 - October 31, 2025 period to the ranking for the November 1, 2025 - January 31, 2026 period.
Ranking of Hosting Networks (ASNs) by Phishing Attacks, Quarter over Quarter (November to January 2026)
| IPv4 Addresses Assigned | Number of Phishing Attacks | ||||||||
| Rank | Hosting Provider | AS Number | August to October 2025 | November to January 2026 | August to October 2025 | November to January 2026 ▼ | |||
| 1 | — | Cloudflare, Inc. | 13335 | 1,386,496 | 1,418,496 | (+2%) | 238,870 | 330,892 | (+39%) |
| 2 | — | Amazon.com, Inc. | 16509 | 217,841,920 | 208,461,568 | (-4%) | 73,386 | 61,937 | (-16%) |
| 3 | N/R** | Vladylsav Naumets | 214196 | 768 | 1,024 | (+33%) | 8,390 | 59,112 | (+605%) |
| 4 | N/R | Protocol Labs | 40680 | 512 | 512 | (0%) | 17,695 | 51,412 | (+191%) |
| 5 | ▲ +36* | "Domain names registrar REG.RU", Ltd | 197695 | 103,680 | 105,216 | (+1%) | 1,797 | 36,868 | (+1,952%) |
| 6 | ▲ +33 | CTG Server Limited | 152194 | 1,041,152 | 1,064,192 | (+2%) | 1,886 | 26,537 | (+1,307%) |
| 7 | N/R | WIBO Baltic UAB | 59939 | 4,864 | 4,864 | (0%) | 5,551 | 26,504 | (+377%) |
| 8 | ▲ +3 | Fastly, Inc. | 54113 | 1,245,216 | 1,237,904 | (-1%) | 8,886 | 22,040 | (+148%) |
| 9 | N/R | Meverywhere sp. z o.o. | 201814 | 25,088 | 24,832 | (-1%) | 20 | 17,005 | (+84,925%) |
| 10 | ▲ +9 | Oracle Corporation | 31898 | 4,639,488 | 4,870,144 | (+5%) | 4,548 | 16,330 | (+259%) |
| 11 | ▲ +55 | Hong Kong Communications International Co., Limited | 140227 | 65,536 | 87,552 | (+34%) | 490 | 15,578 | (+3,079%) |
| 12 | ▼ -3 | Amazon.com, Inc. | 14618 | 19,386,112 | 19,347,200 | (0%) | 9,128 | 12,549 | (+37%) |
| 13 | ▲ +38 | Netsec Limited | 45753 | 113,152 | 110,336 | (-2%) | 702 | 11,808 | (+1,582%) |
| 14 | N/R | BGPNET PTE. LTD. | 4907 | 10,240 | 9,984 | (-3%) | 244 | 11,193 | (+4,487%) |
| 15 | ▼ -10 | Shenzhen Tencent Computer Systems Company Limited | 132203 | 2,657,280 | 2,760,448 | (+4%) | 15,901 | 11,169 | (-30%) |
| 16 | N/R | Railnet LLC | 214943 | 4,864 | 256 | (-95%) | 4,774 | 10,002 | (+110%) |
| 17 | ▼ -7 | Hostinger International Limited | 47583 | 737,536 | 865,792 | (+17%) | 9,028 | 9,790 | (+8%) |
| 18 | N/R | Weebly, Inc. | 27647 | 2,048 | 2,048 | (0%) | 44,040 | 8,434 | (-81%) |
| 19 | ▼ -6 | Google LLC | 396982 | 53,842,176 | 54,393,856 | (+1%) | 7,407 | 7,156 | (-3%) |
| 20 | ▲ +11 | Microsoft Corporation | 8075 | 66,500,608 | 66,524,160 | (0%) | 2,829 | 6,975 | (+147%) |
* Indicates change over prior quarter
** Indicates not ranked in prior quarter; either number of addresses or number of phishing attacks did not meet minimum threshold for ranking
In the table below, we use the metric phishing attack score to compare the ranking of Hosting Networks (ASNs) for the August 1, 2025 - October 31, 2025 period to the ranking for the November 1, 2025 - January 31, 2026 period.
Ranking of Hosting Networks (ASNs) by Phishing Attack Score, Quarter over Quarter (November to January 2026)
Hosting Providers with a minimum of 50,000 addresses assigned to the ASN and 25 phishing attacks
| IPv4 Addresses Assigned | Phishing Attack Score | ||||||||
| Rank | Hosting Provider | AS Number | August to October 2025 | November to January 2026 | August to October 2025 | November to January 2026 ▼ | |||
| 1 | ▲ +11* | "Domain names registrar REG.RU", Ltd | 197695 | 103,680 | 105,216 | (+1%) | 173.3 | 3,504.0 | (+1,922%) |
| 2 | — | Cloudflare, Inc. | 13335 | 1,386,496 | 1,418,496 | (+2%) | 1,722.8 | 2,332.7 | (+35%) |
| 3 | ▲ +18 | Hong Kong Communications International Co., Limited | 140227 | 65,536 | 87,552 | (+34%) | 74.8 | 1,779.3 | (+2,280%) |
| 4 | N/R** | Private Layer INC | 51852 | 48,384 | 50,176 | (+4%) | 1,997.8 | 1,129.2 | (-43%) |
| 5 | ▲ +19 | Netsec Limited | 45753 | 113,152 | 110,336 | (-2%) | 62.0 | 1,070.2 | (+1,625%) |
| 6 | ▲ +136 | PrivateSystems Networks | 63410 | 72,448 | 72,448 | (0%) | 4.0 | 564.3 | (+14,007%) |
| 7 | ▲ +12 | Cloudflare London, LLC | 209242 | 128,000 | 120,832 | (-6%) | 84.3 | 479.8 | (+469%) |
| 8 | — | Tcloudnet | 399077 | 141,184 | 126,080 | (-11%) | 267.5 | 286.7 | (+7%) |
| 9 | ▲ +56 | CTG Server Limited | 152194 | 1,041,152 | 1,064,192 | (+2%) | 18.1 | 249.4 | (+1,277%) |
| 10 | ▼ -7 | Namecheap, Inc. | 22612 | 113,792 | 111,744 | (-2%) | 621.2 | 223.3 | (-64%) |
| 11 | ▲ +107 | Byteplus Pte. Ltd. | 150436 | 223,232 | 258,816 | (+16%) | 5.5 | 191.1 | (+3,394%) |
| 12 | ▲ +131 | Signet B.V. | 20857 | 184,064 | 186,112 | (+1%) | 3.9 | 185.6 | (+4,708%) |
| 13 | ▲ +145 | MOACK.Co.LTD | 138195 | 155,136 | 115,200 | (-26%) | 2.4 | 184.6 | (+7,622%) |
| 14 | ▲ +9 | Fastly, Inc. | 54113 | 1,245,216 | 1,237,904 | (-1%) | 71.4 | 178.0 | (+149%) |
| 15 | N/R | UK Dedicated Servers Limited | 42831 | 110,336 | 128,256 | (+16%) | 1.8 | 164.7 | (+8,998%) |
| 16 | ▲ +106 | BGP Consultancy Pte Ltd | 64050 | 85,760 | 84,992 | (-1%) | 5.1 | 153.1 | (+2,884%) |
| 17 | — | SonderCloud Limited | 133199 | 283,648 | 295,680 | (+4%) | 96.1 | 131.6 | (+37%) |
| 18 | ▼ -4 | Hostinger International Limited | 47583 | 737,536 | 865,792 | (+17%) | 122.4 | 113.1 | (-8%) |
| 19 | ▲ +105 | ONLINE S.A.S. | 12876 | 561,664 | 569,856 | (+1%) | 5.0 | 112.8 | (+2,156%) |
| 20 | ▲ +36 | GMO Internet,Inc | 7506 | 332,800 | 441,600 | (+33%) | 20.8 | 101.0 | (+387%) |
* Indicates change over prior quarter
** Indicates not ranked in prior quarter; either number of addresses or number of phishing attacks did not meet minimum threshold for ranking
| Quarterly Update: Hosting Networks |
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| Quarter over Quarter: Key Statistics |
Quarter over Quarter: Top Level Domains |
Quarter over Quarter: Registrars |
Quarter over Quarter: Hosting Networks |