Get hosts by ASN->CIDR->Hosts via company name

hostsbyasnname.py

import requests, json
from requests.packages.urllib3.exceptions import InsecureRequestWarning, InsecurePlatformWarning, SNIMissingWarning
from bs4 import BeautifulSoup

requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
requests.packages.urllib3.disable_warnings(InsecurePlatformWarning)
requests.packages.urllib3.disable_warnings(SNIMissingWarning)

# another source of cidrs by asn
def getIPCidrs(asn):
    url = "https://ipinfo.io/AS{0}".format(asn)
    r = requests.get(url, verify=False)
    return

def getASNumbers(name):
    cidrs = []
    asns = []
    url = "https://mxtoolbox.com/Public/Lookup.aspx/DoLookup2".format(name)
    data = {
        "inputText": "asn:{0}".format(name),
        "resultIndex": 1
    }
    r = requests.post(url, json=data, verify=False)
    soup = BeautifulSoup((json.loads(r.json()["d"])["HTML_Value"]), 'html.parser')
    for td in soup.find_all('td', {"class":"table-column-CIDR_Range"}):
        cidrs.append(td.get_text())
    for td in soup.find_all('td', {"class":"table-column-As_Number"}):
        asns.append(td.get_text())
    return cidrs,asns

def dedupe(crtList):
    newlist = []
    for i in crtList:
        if i not in newlist:
            newlist.append(i)
    return newlist

def getHostsByCidr(cidr):
    url = "https://www.robtex.com/cidr/{0}".format(cidr)
    r = requests.get(url, verify=False)
    soup = BeautifulSoup(r.text, 'html.parser')
    hosts = []
    for a in soup.find_all('a', href=True):
        if "https://www.robtex.com/dns-lookup/" in a['href']:
            host = a['href'].replace('https://www.robtex.com/dns-lookup/','')
            hosts.append(host)
    hosts = dedupe(hosts)
    return hosts

input = "wal-mart stores, inc."
cidrs, asns = getASNumbers(input)

hosts = []
for cidr in cidrs:
    hosts+=getHostsByCidr(cidr)
hosts = dedupe(hosts)

print(hosts)