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_[wBAS]R3.10.00/of:Jun 05 2023 Date: Sat, 06 September 2025 19:26:59 UTC Content-Type: text/plain Content-Length: 877 STR;MC_LAB_21;San Jose;RTCM 3.2;1006(10),1008(10),1013(10),1033(10),1074(1),1084(1),1094(1),1124(1),1230(10);3;GPS+GLO+GAL+BDS;SNIP;USA;37.40;-121.93;0;0;sNTRIP;none;B;N;3120;none; STR;MP_HSU_31;Is near: Taoyuan, Kaohsiung;RTCM 3.2;1006(10),1008(10),1074(1),1084(1),1094(1),1124(1);3;GPS+GLO+GAL+BDS;SNIP;TWN;24.79;121.01;0;0;sNTRIP;none;B;N;12340;0; STR;MP_MC_20;Is near: San Jose, California;RTCM 3.2;1006(10),1008(10),1074(1),1084(1),1094(1),1124(1);3;GPS+GLO+GAL+BDS;SNIP;USA;37.40;-121.93;0;0;sNTRIP;none;B;N;11460;0; STR;MP_PR_61;Is near: Melbourne, Victoria;RTCM 3.2;1006(10),1008(10),1074(1),1084(1),1094(1),1124(1);3;GPS+GLO+GAL+BDS;SNIP;AUS;-31.95;115.87;0;0;sNTRIP;none;B;N;12100;0; STR;MP_TV_81;;RTCM 3.2;1006(10),1008(10),1074(1),1084(1),1094(1),1124(1);3;0;;ISR;32.15;34.84;0;0;0;none;B;N;11940;0; NET;SNIP;;B;N;None;52.42.203.125:80;None;; ENDSOURCETABLE
If this Caster is on a public IP, your can decode it at SNIP's NTRIP Caster Table Decoder page
[You can press the 'View All' button to see the Base Stations displayed on a map.]
This is a CLOSED NTRIP Caster, you must has a user account and password to access it.