The most members online in one day was 40,561, 05-20-2010.
12131, 413cp3hm, 669, 928, A2012, abdi5388, abid, ABO HANI, ahmad13, ahoooo, alaydyn, alhaw, ali khan, ali-g, ali22222, ali3151, ali497, ALIAMA, aliamini, alif, amin rm, amiraydin, amirma, amir_hamadan, arman1389, armen11, ARMIN0, artin11, asadi-hasan, ask2, azaliya, babakbabi, bahar, bairam566, baraz, barhg, bgh_fcc, bigonah, bito22, cantona, CccamService, cccam_r, daryoosh, davod5151, dc9000, ebi57, edris.co, ehsan387, f3000, fahim123, farboud, fardiniyan, farhadnrz, farid4u, farz2000, GNRGNR, Gondo505050, h2000x, hajqolim, hamidzzz, hana44, HASHEM, hassanaqa, hhame, hoda-ali, Homayun, hora12, hosen-sat, huanhuan, ibo, ihashem, ilg6goh8b, iman_miri, JAFAR2, jntfavf, k222, kaka azim, kako, kanghoro, kapa, KARAMI.M, kaseco, kav1, khormoa90, kjk, m-13, mahdi., MAHMODY, mahsa1818, mahvare58, majid3241, masood753, matinarashy, Maziarr, mdavodm1363, messi1192, milad155, mkzn, mk_k98, mohamad1359, mohamadmax, mohsen.m, mohsenboys, molla, n-salehi, namadmali, nasima, nbghbfgd, nemati54, nima-842, nimatopol, ohbwf, omid1391, omid200_2007, onlylida, optjlkjk, parveni, parviz1234, payam900, payman, PIRVA, pooya1354, rabinhood, rabsia, ramiz, ramkal67, resam, reza 07, rezadeleto, rezasat62, ricoh, rock_mh, rozz_61, s.king, sadra2, safolla, salvador, saman2571, saman_v89, sas234, sasan195, sea, sesoot, SeYeDy, shah gholam, shaho5308, shalvar, sheykholeslami, shoresh, siahosefid, sorn, ss77, tarahmra, titi62, turan, usmsm58, لیله کش, مهرام99, محمد ارا, مخلص, کشاورز, v.najafi, vahid111, vipcenter, yaghoob46, yavar.hachi, young, zahra70, zamani01, اهواز, ایکسکروز, ابراهيم جعفري4786, بهرک, بزیک, حسین ج, حشمت م, خالد2, دیش, سلام سایت, سامانم, شیردلان, علیرضا م, عموعباس, عیسی77

The most registrations in one day was 40,561, 05-20-2010.
928, ALIAMA, hora12, kav1, milad155, zamani01