<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001323263</cik>
        <entityName>INRANGE SYSTEMS INC</entityName>
        <issuerAddress>
            <street1>115 UNION AVENUE</street1>
            <city>ALTOONA</city>
            <stateOrCountry>PA</stateOrCountry>
            <zipCode>16602</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>814-940-1870</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2008</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>CHRISTOPHER</firstName>
                <middleName>E</middleName>
                <lastName>BOSSI</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>405 GRANADA WAY</street1>
                <city>ALTOONA</city>
                <stateOrCountry>PA</stateOrCountry>
                <zipCode>16602</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>PRESIDENT</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>MARY ANNE</firstName>
                <lastName>PAPP</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>523 W33290 SUTTON RIDGE CT</street1>
                <city>DOUSMAN</city>
                <stateOrCountry>WI</stateOrCountry>
                <zipCode>53118</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>KURT</firstName>
                <lastName>BUSEK</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1030 STATE STREET</street1>
                <city>ERIE</city>
                <stateOrCountry>PA</stateOrCountry>
                <zipCode>16501</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>RAYMOND</firstName>
                <lastName>TEDESCO</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>114 FULTON DRIVE</street1>
                <city>VENETIA</city>
                <stateOrCountry>PA</stateOrCountry>
                <zipCode>15367</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>DAVID</firstName>
                <lastName>MARKS</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>9200 W WISCONSIN AVE #FEC-15</street1>
                <city>MILWAUKEE</city>
                <stateOrCountry>WI</stateOrCountry>
                <zipCode>53226</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>SECRETARY</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>CRAIG</firstName>
                <lastName>OVERMYER</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>C/O HOPEWELL PARTNERS LLC</street1>
                <street2>20 NORTH WACKER DRIVE STE 2200</street2>
                <city>CHICAGO</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>JEFFREY</firstName>
                <lastName>LAMPE</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>C/O HOPEWELL PARTNERS LLC</street1>
                <street2>20 NORTH WACKER DRIVE STE 2200</street2>
                <city>CHICAGO</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>JAMES</firstName>
                <lastName>GALANTI</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>13 CRESTMONT CIRCLE</street1>
                <city>BLOOMSBURG</city>
                <stateOrCountry>PA</stateOrCountry>
                <zipCode>17815</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>CATHY</firstName>
                <lastName>CARACCIOLO</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>612 FISKE ROAD</street1>
                <city>FALLENTIMBER</city>
                <stateOrCountry>PA</stateOrCountry>
                <zipCode>16639</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>MALCOLM</firstName>
                <lastName>MCGINNIS</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>119 W HORNER STREET</street1>
                <city>EBENSBURG</city>
                <stateOrCountry>PA</stateOrCountry>
                <zipCode>15931</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Health Care</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$1,000,001 - $5,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>9999999997-09-001120</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2008-12-31</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>24993</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>9250003</totalOfferingAmount>
            <totalAmountSold>6250006</totalAmountSold>
            <totalRemaining>2999997</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>2</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>550000</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>INRANGE SYSTEMS INC</issuerName>
                <signatureName>CHRISTOPHER E BOSSI</signatureName>
                <nameOfSigner>CHRISTOPHER E BOSSI</nameOfSigner>
                <signatureTitle>PRESIDENT</signatureTitle>
                <signatureDate>2009-12-31</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
