Because you requested the table using a browser (rather then an NTRIP Client) it has been returned to you as an HTML page.
SOURCETABLE 200 OK Server: SubCarrier Systems Corp SNIP simpleNTRIP_Caster_[wLITE]R3.19.00/of:Dec 19 2025 Date: Sun, 05 April 2026 21:09:38 UTC Content-Type: text/plain Content-Length: 154 STR;NONE;NONE;No Content Present;NONE;0;GPS;SNIP;XXX;0.00;0.00;0;0;sNTRIP;none;N;N;0;none; NET;SNIP;;N;;None;109.205.63.192:2101;None;; ENDSOURCETABLE
If this Caster is on a public IP, your can decode it at SNIP's NTRIP Caster Table Decoder page
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