How do I whitelist a range of IP addresses?
To whitelist, an IP or IP range provides the CIDR notation by open the ‘Whitelisted IPs’ tab and tap on the “Add IP” button then input the data. This will whitelist the entire IP addresses under that subnet or the IP CIDR and Port. For example:- 192.168. 0.0/24 will whitelist IP addresses 192.16.
What IP ranges does Comcast use?
By default, the Comcast Gateway’s LAN is set to assign IPs to LAN devices between 10.1. 10.0 and 10.1. 10.255. This is a subnet of LAN IPs.
Does Comcast offer multiple IP addresses?
In most areas, the option to have more than one is being phased out, and can only be offered on the Business side, which can have up to 1, 5, or 13 (13 is the max) per account. I’d be happy to check your account to see if I can help, or if this is only available to Comcast Business customers in your area.
What does it mean to whitelist your IP?
IP whitelisting is when you grant network access only to specific IP addresses. Each employee (or approved user) shares their home IP address with the network administrator, who then enters their IP address on a “whitelist” that grants them network access.
What does 32 mean in IP address?
Generally speaking, /32 means that the network has only a single IPv4 address and all traffic will go directly between the device with that IPv4 address and the default gateway. The device would not be able to communicate with other devices on the network.
Does Comcast use IPv4 or IPv6?
Comcast’s support of IPv6 We will maintain support for IPv4 while adding support for IPv6. You will not need a new Comcast device when your area makes the switch to IPv6.
What DNS does Comcast use?
DNS server settings for popular ISPs in the USA
Provider/ISP | DNS servers |
---|---|
Xfinity (Comcast) | 75.75.75.75 75.75.76.76 68.87.64.146 68.87.75.194 68.87.73.246 68.87.73.242 68.87.72.134 68.87.72.130 68.87.75.198 68.87.68.166 68.87.68.162 68.87.74.162 68.87.74.166 68.87.76.178 68.87.76.182 |
How do I change my Comcast IP address?
In the first step, you need to switch off the router and the Comcast modem. Once switched off, wait for around twenty seconds or two minutes (it’s up to you) After two minutes or twenty seconds, switch on the Comcast modem and wait for one minute. Then, switch on the router, and the IP address will be changed.
How do I find my second Comcast IP address?
You will be required to log on with your XFINITY account credentials.
- Open the PDF file when prompted.
- Check near the bottom for the line stating “Additional IP address” as shown below (note the prices may be different 😞
Which is the last IP address on the Comcast gateway?
Gateway IP: This is a static IP address, in addition to the number of ordered IPs, which is assigned to the Comcast modem (IP Gateway). By default, it is the last IP in the range loaded on the Comcast Gateway.
Which is the static IP address in Comcast modem?
Gateway IP: This is a static IP address, in addition to the number of ordered IPs, which is assigned to the Comcast modem (IP Gateway). By default, it is the last IP in the range loaded on the Comcast Gateway. Primary DNS: 75.75.75.75 Your server or firewall (connected to the modem) should be configured with the following settings:
Can a Comcast Business IP gateway support IPv6?
Static IP support, in most cases, includes support for both IPv4 and IPv6. Please note, some earlier makes and models of Comcast Business IP Gateways do not support IPv6. A static IP address is manually configured. This manual configuration prevents the IP address from changing.
What should the mask be for a Comcast Business IP gateway?
The mask for the LAN of the Business IP Gateway will most always be a /64. Default IPv6 Gateway will be dynamically learned by IPv6 compliant and enabled hosts connected to the LAN of the Business IP Gateway.